Assume I have a table. The values inside the table are determined by y and x var
ID: 664523 • Letter: A
Question
Assume I have a table. The values inside the table are determined by y and x variables. But in this case it is t and p (or temperature and pressure). Those values for t and p don't correlate to my array in code ( for example on column = 0 the temperature= -120). That's what a and b are for. I want to be able to input a value between two rows or columns and use a y=mx+b equation to find it.I'm trying to make a linear interpolation from an array code. Yet if I plug in a value in between two coordinates it doesn't solve what is in between. If I give a t=-81.5 for example which is in between -80 and -85, it gives the value corresponding to t=-85. I want to be able to plug i say p=11 and t=-82.4 and get back a value that uses y=mx+b to give back a value from linear interpolation from the values around it. Can someone help me??
#include <iostream>
#include <iomanip>
#include <string >
using namespace std;
int main()
{
int a, b;
int j, i;
float t1, m, p2, p1, w, p,t, a1, a2;
double pt [75][21] = {{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}
,{0,0,0,0,6.67E+27,0,0,-3.18E+28,1.19E+28,0,-4.32E+28,0,-5.53E+28,0,3.69E+28,0,0,8.86E+27,0,0,1.45E+27} ,
{0,0,6.60E+27,0,5.94E+26,0,1.41E+27,0,0,4.35E+27,0,0,0,0,0,1.04E+28,1.87E+27,0,-6.63E+26,0,0},
{0,0,416.239054,297.5463278,216.0356292,159.0293809,118.4963531,89.24049123,67.83433165,0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,416.2390569,297.5463293,216.0356301,159.0293814,118.4963534,89.24049141,67.83433176,51.97633661,40.09536551,31.10241936,24.23195309,0,0,0,0,0,0,0,0} ,
{0,0,416.2390853,297.5463446,216.0356386,159.0293863,118.4963563,89.24049313,67.83433282,51.97633728,40.09536594,31.10241963,24.23195327,18.93870556,14.82955365,11.61783264,0,0,0,0,0},
{0, 0,416.23937,297.5464977,216.0357237,159.029435,118.4963849,89.24051038,67.83434343,51.97634393,40.09537018,31.10242238,24.23195507,18.93870675,14.82955445,11.61783318,9.09228946,7.095707654,0,0,0},
{0, 0, 416.242217, 297.5480283, 216.0365744, 159.029922,118.4966713,89.24068284,67.83444952,51.97641045,40.0954126,31.10244983,24.23197307,18.93871869,14.82956243,11.61783857,9.092293108,7.095710134,5.510022088,4.245829534,0},
{0, 0, 416.270689, 297.563336, 216.0450817, 159.0347927, 118.4995352, 89.24240744 ,67.83551047, 51.97707567 ,40.0958368, 31.10272439, 24.23215309, 18.93883803, 14.82964229, 11.61789239 ,9.092329584, 7.095734928, 5.510038952, 4.245840976 ,3.234989005},
{0, 0, 416.5556227, 297.7164988, 216.1301923, 159.0835159, 118.5281817, 89.25965712, 67.84612174, 51.98372877 ,40.10007925, 31.10547021,24.23395342, 18.9400316, 14.83044092, 11.6184307, 9.092694356, 7.095982881, 5.510207596, 4.245955397, 3.235066138},
{0, 0, 419.4265617, 299.2568441, 216.9850003, 159.5723952, 118.8154101, 89.43252144 ,67.95241736, 52.05035354, 40.14255322, 31.13295505, 24.2519714, 18.95197549, 14.83843195, 11.62381648, 9.096343673, 7.098463352, 5.511894604, 4.247099937, 3.235837667},
{0, 0, 450.473599, 315.5847697, 225.9202795, 164.631685, 121.7661578, 91.19871514, 69.0339823, 52.72611478, 40.57229368, 31.41049798, 24.43363528, 19.07224772, 14.91881799, 11.67794986, 9.132998341, 7.123363555 ,5.528821496, 4.258579221, 3.243573138},
{0, 0, 490.8441882, 335.9514655, 236.7528267, 170.6431099, 125.2215315, 93.24480173, 70.27682486, 53.4978385, 41.06070228, 31.72473919, 24.63870151, 19.207685568, 15.00916266, 11.7386918, 9.174073214, 7.151235676, 5.547751135, 4.271406688, 3.252211382},
{0, 0, 539.1629115, 359.1282804, 248.6764869, 177.1101694, 128.8787328, 95.38480012, 71.56523467, 54.29248548, 41.56101083, 32.04532976, 24.84723764, 19.34505966, 15.10060731, 11.80006821, 9.215518625, 7.179326284, 5.56681045, 4.284311351, 3.260895533},
{0, 0, 598.0332937, 385.7399047, 261.864857, 184.0867059, 132.7559767, 97.62532776, 72.90176456, 55.11109251, 42.07365961, 32.37246406, 25.05933249, 19.48441179, 15.19317216 ,11.86208908, 9.257339603, 7.207637955, 5.586000776, 4.297293916, 3.269625957},
{0, 0, 671.3353311, 416.611006, 276.5304225, 191.6353936, 136.8737381, 99.97363877, 74.28916162, 55.95475982, 42.59911089, 32.70634452, 25.27507795, 19.62578498, 15.28687791, 11.92476461, 9.299541287, 7.236173311, 5.605323467, 4.310355083, 3.278403024},
{0, 0, 1734.079798, 694.5290923, 384.081051, 241.0598603, 161.9973836, 113.6413733, 82.10147992, 60.5926155, 45.43630764, 34.48463998, 26.41201146, 20.36456381, 15.77328194, 12.24833478, 9.516446367, 7.382300005, 5.703971204, 4.376865356, 3.323001249},
{0, 0, 0, 2086.233516, 628.5349052, 324.8377781, 198.4172016, 131.6378131, 91.74983911, 66.06867271, 48.67832201, 36.46737505, 27.65600373, 21.16110515, 16.29163028, 12.58993361, 9.743694705, 7.534436648, 5.806142578, 4.445451917, 3.368823454},
{0, 0, 0, 0, 1728.931544, 497.8641337, 255.9611644, 156.4062859, 103.9676811, 72.63273783, 52.41845016, 38.69195445, 29.02292345, 22.0224589, 16.84517661, 12.95111102, 9.982044165 ,7.692961749, 5.912029772, 4.516213488, 3.415920673},
{0, 0, 0, 0, 0, 1065.293367, 360.5149078, 192.6551175, 119.939106, 80.64483142, 56.78104254, 41.20550042, 30.53193861, 22.95687085, 17.43763201, 13.3335998, 10.2323285, 7.858286277, 6.021839211, 4.58925515, 3.464346807},
{0, 0, 0, 0, 0, 0, 609.4629605, 250.773991, 141.7078202, 90.64350671, 61.93559736, 44.06822761, 32.20642075, 23.97404757, 18.07324823, 13.73934347, 10.4954671, 8.030857242 ,6.135792876 ,4.66468886 ,3.514158852},
{0, 0, 0, 0, 0,0,1969.364974,359.1050648,173.1301444,103.4721778, 68.11929589,47.35832945,34.07516416, 25.08549472, 18.75691995, 14.17052927, 10.77247628, 8.211161687, 6.254129844, 4.742634031, 3.565417096},
{0, 0, 0, 0, 0, 0, 0, 632.2069464, 222.4571119, 120.5303974, 75.6745325, 51.17922945, 36.17405559, 26.3049543 ,19.49431102, 14.62962759 ,11.06448237, 8.399731329, 6.377107933, 4.823218153, 3.618185396},
{0, 0, 0, 0, 0, 0, 0, 2639.671992, 311.0890019, 144.3227273, 85.11453187, 55.67065026, 38.54840109, 27.64897556, 20.29201174, 15.11943938, 11.37273706, 8.59714775, 6.505005579, 4.906577504, 3.6725314},
{0, 0, 0, 0, 0, 0, 0, 0, 517.1169261, 179.8175061, 97.24507179, 61.02607034, 41.25623358, 29.13767062, 21.15773638, 15.64315329, 11.69863534, 8.804048428, 6.638123949, 4.992857898, 3.728526882},
{0, 0, 0, 0, 0, 0, 0, 0, 1531.15454, 238.4644703, 113.4075818, 67.52132732, 44.37311923, 30.79572764, 22.10057346, 16.20441518, 12.04373655, 9.021133574, 6.776789316, 5.082215558, 3.786248027},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 353.8789878, 136.0129602, 75.56365953, 47.99931981, 32.65379095, 23.13130603, 16.80741316, 12.40978938, 9.249174074, 6.921355699, 5.174818036, 3.845775782},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 685.7875281, 169.8726937, 85.78052879, 52.27077908, 34.75037228, 24.26282592, 17.45698221, 12.79876151, 9.489020631, 7.072207906, 5.270845279, 3.907196234},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 11042.96616, 226.1770558, 99.19175486, 57.37654604, 37.13454908, 25.51067569, 18.15873411, 13.21287491, 9.741614375, 7.229764947, 5.370490792, 3.970601048},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 338.3062607, 117.5730238, 63.58751317, 39.86985432, 26.89376682, 18.91922006, 13.65464844, 10.00799916, 7.394483931, 5.473962935, 4.036087894},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 670.9062917, 144.3154465, 71.30608143, 43.04002211, 28.43534499, 19.7461357, 14.12694902, 10.28933607, 7.566864447, 5.58148638, 4.103760943},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 39723.93896, 186.8034028, 81.15698678, 46.75770991, 30.16430691, 20.64858253, 14.63305393, 10.58692021, 7.747453708, 5.693303749, 4.173731457},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 264.7448646, 94.16546614, 51.17816732, 32.11702881, 21.63740425, 15.17672705, 10.90220081, 7.936852269, 5.809677409, 4.246118379},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 454.2841996, 112.1394482, 56.52146544, 34.33995385, 22.72562462, 15.76231252, 11.23680464, 8.135720732, 5.930891548, 4.321048979},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1599.097718, 138.592638, 63.11027115, 36.89333337, 23.92902429, 16.39485108, 11.5925642, 8.344787487, 6.057254523, 4.398659663},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 181.3772584, 71.43752125, 39.85677065, 25.26691103, 17.08022562, 11.97155128, 8.56485754, 6.189101415, 4.47909674},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 262.3702128, 82.29580448, 43.33766881, 26.76316351, 17.82534457, 12.37611731, 8.79682293, 6.326797035, 4.562517373},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 474.0450087, 97.04586092, 47.48452711, 28.44766899, 18.63837569, 12.80894217, 9.041674797, 6.470739291, 4.6490906},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2453.032795, 118.236817, 52.5086765, 30.35834013, 19.52904668, 13.2730937, 9.300517535, 6.621363019, 4.738998474},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 151.2658858, 58.72144128, 32.54400263, 20.50903611, 13.77210043, 9.57458545, 6.779144372, 4.83243734},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 209.8976462, 66.60121455, 35.06862634, 21.59248861, 14.31004155, 9.865262458, 6.94460585, 4.929619267},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 342.7409483, 76.92289229, 38.01769002, 22.79670179, 14.89165849, 10.17410537, 7.118322075, 5.030773652},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 933.5656741, 91.02970547, 41.5080516, 24.1430568, 15.52249527, 10.50287191, 7.300926461, 5.13614903},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 111.4712533, 45.70380199, 25.65829867, 16.20907562, 10.8535541, 7.493118926, 5.246015109},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 143.7499387, 50.84281109, 27.37633129, 16.95912949, 11.22841867, 7.695674876, 5.360665073},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 202.3377654, 57.28344586, 29.34078428, 17.78188522, 11.63005616, 7.909455586, 5.4804182},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 341.5251341, 65.591933, 31.6087696, 18.68845126, 12.06144071, 8.135420548, 5.605622836},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1094.142012, 76.71862205, 34.25652594, 19.69232067, 12.526004, 8.374641795, 5.736659728},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 92.39024239, 37.38815671, 20.81004695,13.02772673, 8.62832095, 5.873945969},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 116.1062038, 41.14964111, 22.06216444, 13.57125273, 8.89780931, 6.017939377},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 156.1988344, 45.75224397, 23.47446092, 14.16203347, 9.184632062, 6.169143629},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 238.576319, 51.51360631, 25.07977304, 14.80651118, 9.490517107, 6.32811407},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 504.7680903, 58.93434126, 26.92057082, 15.51235501, 9.817429792, 6.495464632},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68.85194551, 29.05277052, 16.28876755, 10.16761538, 6.671875711},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 82.78149639, 31.55151296, 17.14688808, 10.54365045, 6.858103339},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 103.7746434, 34.52020285, 18.10033079, 10.94850664 ,7.05499016},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139.0292374, 38.10517727, 19.165912, 11.38562909, 7.26347801},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 210.5531877, 42.52056695, 20.36465099, 11.85903494, 7.484623115},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 433.6039241, 48.09269824, 21.72316998, 12.37343691, 7.719613948},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 55.34465047, 23.27569497, 12.93440095, 7.969792483},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65.17086216, 25.0669786, 13.5485482, 8.236680033},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 79.23780068, 27.15668482, 14.22381777, 8.522007982},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 101.0461288, 29.62616308, 14.96981155, 8.827755611},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139.4121801, 32.58928598, 15.7982539, 9.15619583},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224.7315854, 36.21050666, 16.7236121, 9.509952019},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 579.1037739, 40.73645179, 17.76394862, 9.892068009},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46.55457269, 18.94211152, 10.306096},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 54.31039841, 20.28743221, 10.75620733},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65.16534476, 21.83820022, 11.24733338},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81.440737, 23.64536625, 11.7853471},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108.5476488, 25.77824661, 12.3772988},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 162.6912583, 28.33361838, 13.03172703},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 324.5623832, 31.45081246, 13.75907279},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62791.68001, 35.33799211, 14.57224103}};
cout << "input temp"<< endl;
cin >> t;
cout << "input the pressure"<< endl;
cin >> p;
for (i=0; i<21; i++);
for (j=0; j<75; j++)
{
if (pt[j][i]>= p)
{
p1=pt[j-1][i];
p2=pt[j][i];
break;
}
}
cout<<"p1 ="; cout<<"p2 =";
for( i = 0; i<75; i++)
for(j= 0; j<21; j++)
{
if(pt[i][j]>=t)
{
a1=pt[i][j-1];
a2=pt[i][j];
break;
}
}
cout<<"t1=";
m=(a2-a1)/5;
cout<<"t2="< cout.precision(4);
cout<<"The slope is: "< cin.get();
w=m*(t-i)+t1;
cout<<"The answer is = ";
if(p==5)
{
a = 15;
}
if(p==10)
{
a = 16;
}
if (p==15)
{
a = 17;
}
if (p==20)
{
a=18;
}
if (p==25)
{
a=19;
}
if (p==30)
{
a=20;
}
if (p==35)
{
a=21;
}
if (p==40)
{
a=22;
}
if (p==45)
{
a=23;
}
if (p==50)
{
a=24;
}
if (p==55)
{
a=25;
}
if (p==60)
{
a=26;
}
if (p==65)
{
a=27;
}
if (p==70)
{
a=28;
}
if (p==75)
{
a=29;
}
if (p==80)
{
a=30;
}
if (p==85)
{
a=31;
}
if (p==90)
{
a=32;
}
if (p==95)
{
a=33;
}
if (p==100)
{
a=34;
}
if (p==105)
{
a=35;
}
if (p ==110 )
{
a=36;
}
if (p==115)
{
a=37;
}
if (p==120)
{
a=38;
}
if (p==125)
{
a=39;
}
if (p==130)
{
a=40;
}
if (p==135)
{
a=41;
}
if (p==140)
{
a=42;
}
if (p==145)
{
a=43;
}
if (p==150)
{
a=44;
}
if (p==155)
{
a=45;
}
if (p==160)
{
a=46;
}
if (p==165)
{
a=47;
}
if (p==170)
{
a=48;
}
if (p==175)
{
a=49;
}
if (p==180)
{
a=50;
}
if (p==185)
{
a=51;
}
if (p==190)
{
a=52;
}
if (p==195)
{
a=53;
}
if (p==200)
{
a=54;
}
if (p==205)
{
a=55;
}
if (p==210)
{
a=56;
}
if (p==215)
{
a=57;
}
if (p==220)
{
a=58;
}
if (p==225)
{
a=59;
}
if (p==230)
{
a=60;
}
if (p==235)
{
a=61;
}
if (p==240)
{
a=62;
}
if (p==245)
{
a=63;
}
if (p==250)
{
a=64;
}
if (p==255)
{
a=65;
}
if (p==260)
{
a=66;
}
if (p==265)
{
a=67;
}
if (p==270)
{
a=68;
}
if (p==275)
{
a= 69;
}
if (p==280)
{
a=70;
}
if (p==285)
{
a=71;
}
if (p==290)
{
a=72;
}
if (p==295)
{
a=73;
}
if (p==300)
{
a=74;
}
if (p== 1)
{
a = 11;
}
if (p== 2)
{
a = 12;
}
if (p== 3)
{
a = 13;
}
if (p== 4)
{
a = 14;
}
if (p == 1e-1)
{
a = 10;
}
if (p == 1e-2)
{
a = 9;
}
if (p== 1e-3){
a = 8;
}
if (p== 1e-4)
{
a = 7;
}
if (p== 1e-5)
{
a = 6;
}
if (p== 1e-6)
{
a = 5;
}
if (p== 1e-7)
{
a=4;
}
if (p== 1e-8)
{
a=3;
}
if (p== 1e-9)
{
a =2;
}
if (p== 1e-10)
{
a=1;
}
b=(120+t)/5;
cout<<"the answer is : "<
return 0;
}
Explanation / Answer
your code has issues. Now solved.
#include <iostream>
#include <iomanip>
#include <string >
using namespace std;
int main()
{
int a, b;
int j, i;
float t1, m, p2, p1, w, p,t, a1, a2;
double pt [75][21] = {{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}
,{0,0,0,0,6.67E+27,0,0,-3.18E+28,1.19E+28,0,-4.32E+28,0,-5.53E+28,0,3.69E+28,0,0,8.86E+27,0,0,1.45E+27} ,
{0,0,6.60E+27,0,5.94E+26,0,1.41E+27,0,0,4.35E+27,0,0,0,0,0,1.04E+28,1.87E+27,0,-6.63E+26,0,0},
{0,0,416.239054,297.5463278,216.0356292,159.0293809,118.4963531,89.24049123,67.83433165,0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,416.2390569,297.5463293,216.0356301,159.0293814,118.4963534,89.24049141,67.83433176,51.97633661,40.09536551,31.10241936,24.23195309,0,0,0,0,0,0,0,0} ,
{0,0,416.2390853,297.5463446,216.0356386,159.0293863,118.4963563,89.24049313,67.83433282,51.97633728,40.09536594,31.10241963,24.23195327,18.93870556,14.82955365,11.61783264,0,0,0,0,0},
{0, 0,416.23937,297.5464977,216.0357237,159.029435,118.4963849,89.24051038,67.83434343,51.97634393,40.09537018,31.10242238,24.23195507,18.93870675,14.82955445,11.61783318,9.09228946,7.095707654,0,0,0},
{0, 0, 416.242217, 297.5480283, 216.0365744, 159.029922,118.4966713,89.24068284,67.83444952,51.97641045,40.0954126,31.10244983,24.23197307,18.93871869,14.82956243,11.61783857,9.092293108,7.095710134,5.510022088,4.245829534,0},
{0, 0, 416.270689, 297.563336, 216.0450817, 159.0347927, 118.4995352, 89.24240744 ,67.83551047, 51.97707567 ,40.0958368, 31.10272439, 24.23215309, 18.93883803, 14.82964229, 11.61789239 ,9.092329584, 7.095734928, 5.510038952, 4.245840976 ,3.234989005},
{0, 0, 416.5556227, 297.7164988, 216.1301923, 159.0835159, 118.5281817, 89.25965712, 67.84612174, 51.98372877 ,40.10007925, 31.10547021,24.23395342, 18.9400316, 14.83044092, 11.6184307, 9.092694356, 7.095982881, 5.510207596, 4.245955397, 3.235066138},
{0, 0, 419.4265617, 299.2568441, 216.9850003, 159.5723952, 118.8154101, 89.43252144 ,67.95241736, 52.05035354, 40.14255322, 31.13295505, 24.2519714, 18.95197549, 14.83843195, 11.62381648, 9.096343673, 7.098463352, 5.511894604, 4.247099937, 3.235837667},
{0, 0, 450.473599, 315.5847697, 225.9202795, 164.631685, 121.7661578, 91.19871514, 69.0339823, 52.72611478, 40.57229368, 31.41049798, 24.43363528, 19.07224772, 14.91881799, 11.67794986, 9.132998341, 7.123363555 ,5.528821496, 4.258579221, 3.243573138},
{0, 0, 490.8441882, 335.9514655, 236.7528267, 170.6431099, 125.2215315, 93.24480173, 70.27682486, 53.4978385, 41.06070228, 31.72473919, 24.63870151, 19.207685568, 15.00916266, 11.7386918, 9.174073214, 7.151235676, 5.547751135, 4.271406688, 3.252211382},
{0, 0, 539.1629115, 359.1282804, 248.6764869, 177.1101694, 128.8787328, 95.38480012, 71.56523467, 54.29248548, 41.56101083, 32.04532976, 24.84723764, 19.34505966, 15.10060731, 11.80006821, 9.215518625, 7.179326284, 5.56681045, 4.284311351, 3.260895533},
{0, 0, 598.0332937, 385.7399047, 261.864857, 184.0867059, 132.7559767, 97.62532776, 72.90176456, 55.11109251, 42.07365961, 32.37246406, 25.05933249, 19.48441179, 15.19317216 ,11.86208908, 9.257339603, 7.207637955, 5.586000776, 4.297293916, 3.269625957},
{0, 0, 671.3353311, 416.611006, 276.5304225, 191.6353936, 136.8737381, 99.97363877, 74.28916162, 55.95475982, 42.59911089, 32.70634452, 25.27507795, 19.62578498, 15.28687791, 11.92476461, 9.299541287, 7.236173311, 5.605323467, 4.310355083, 3.278403024},
{0, 0, 1734.079798, 694.5290923, 384.081051, 241.0598603, 161.9973836, 113.6413733, 82.10147992, 60.5926155, 45.43630764, 34.48463998, 26.41201146, 20.36456381, 15.77328194, 12.24833478, 9.516446367, 7.382300005, 5.703971204, 4.376865356, 3.323001249},
{0, 0, 0, 2086.233516, 628.5349052, 324.8377781, 198.4172016, 131.6378131, 91.74983911, 66.06867271, 48.67832201, 36.46737505, 27.65600373, 21.16110515, 16.29163028, 12.58993361, 9.743694705, 7.534436648, 5.806142578, 4.445451917, 3.368823454},
{0, 0, 0, 0, 1728.931544, 497.8641337, 255.9611644, 156.4062859, 103.9676811, 72.63273783, 52.41845016, 38.69195445, 29.02292345, 22.0224589, 16.84517661, 12.95111102, 9.982044165 ,7.692961749, 5.912029772, 4.516213488, 3.415920673},
{0, 0, 0, 0, 0, 1065.293367, 360.5149078, 192.6551175, 119.939106, 80.64483142, 56.78104254, 41.20550042, 30.53193861, 22.95687085, 17.43763201, 13.3335998, 10.2323285, 7.858286277, 6.021839211, 4.58925515, 3.464346807},
{0, 0, 0, 0, 0, 0, 609.4629605, 250.773991, 141.7078202, 90.64350671, 61.93559736, 44.06822761, 32.20642075, 23.97404757, 18.07324823, 13.73934347, 10.4954671, 8.030857242 ,6.135792876 ,4.66468886 ,3.514158852},
{0, 0, 0, 0, 0,0,1969.364974,359.1050648,173.1301444,103.4721778, 68.11929589,47.35832945,34.07516416, 25.08549472, 18.75691995, 14.17052927, 10.77247628, 8.211161687, 6.254129844, 4.742634031, 3.565417096},
{0, 0, 0, 0, 0, 0, 0, 632.2069464, 222.4571119, 120.5303974, 75.6745325, 51.17922945, 36.17405559, 26.3049543 ,19.49431102, 14.62962759 ,11.06448237, 8.399731329, 6.377107933, 4.823218153, 3.618185396},
{0, 0, 0, 0, 0, 0, 0, 2639.671992, 311.0890019, 144.3227273, 85.11453187, 55.67065026, 38.54840109, 27.64897556, 20.29201174, 15.11943938, 11.37273706, 8.59714775, 6.505005579, 4.906577504, 3.6725314},
{0, 0, 0, 0, 0, 0, 0, 0, 517.1169261, 179.8175061, 97.24507179, 61.02607034, 41.25623358, 29.13767062, 21.15773638, 15.64315329, 11.69863534, 8.804048428, 6.638123949, 4.992857898, 3.728526882},
{0, 0, 0, 0, 0, 0, 0, 0, 1531.15454, 238.4644703, 113.4075818, 67.52132732, 44.37311923, 30.79572764, 22.10057346, 16.20441518, 12.04373655, 9.021133574, 6.776789316, 5.082215558, 3.786248027},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 353.8789878, 136.0129602, 75.56365953, 47.99931981, 32.65379095, 23.13130603, 16.80741316, 12.40978938, 9.249174074, 6.921355699, 5.174818036, 3.845775782},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 685.7875281, 169.8726937, 85.78052879, 52.27077908, 34.75037228, 24.26282592, 17.45698221, 12.79876151, 9.489020631, 7.072207906, 5.270845279, 3.907196234},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 11042.96616, 226.1770558, 99.19175486, 57.37654604, 37.13454908, 25.51067569, 18.15873411, 13.21287491, 9.741614375, 7.229764947, 5.370490792, 3.970601048},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 338.3062607, 117.5730238, 63.58751317, 39.86985432, 26.89376682, 18.91922006, 13.65464844, 10.00799916, 7.394483931, 5.473962935, 4.036087894},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 670.9062917, 144.3154465, 71.30608143, 43.04002211, 28.43534499, 19.7461357, 14.12694902, 10.28933607, 7.566864447, 5.58148638, 4.103760943},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 39723.93896, 186.8034028, 81.15698678, 46.75770991, 30.16430691, 20.64858253, 14.63305393, 10.58692021, 7.747453708, 5.693303749, 4.173731457},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 264.7448646, 94.16546614, 51.17816732, 32.11702881, 21.63740425, 15.17672705, 10.90220081, 7.936852269, 5.809677409, 4.246118379},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 454.2841996, 112.1394482, 56.52146544, 34.33995385, 22.72562462, 15.76231252, 11.23680464, 8.135720732, 5.930891548, 4.321048979},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1599.097718, 138.592638, 63.11027115, 36.89333337, 23.92902429, 16.39485108, 11.5925642, 8.344787487, 6.057254523, 4.398659663},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 181.3772584, 71.43752125, 39.85677065, 25.26691103, 17.08022562, 11.97155128, 8.56485754, 6.189101415, 4.47909674},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 262.3702128, 82.29580448, 43.33766881, 26.76316351, 17.82534457, 12.37611731, 8.79682293, 6.326797035, 4.562517373},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 474.0450087, 97.04586092, 47.48452711, 28.44766899, 18.63837569, 12.80894217, 9.041674797, 6.470739291, 4.6490906},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2453.032795, 118.236817, 52.5086765, 30.35834013, 19.52904668, 13.2730937, 9.300517535, 6.621363019, 4.738998474},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 151.2658858, 58.72144128, 32.54400263, 20.50903611, 13.77210043, 9.57458545, 6.779144372, 4.83243734},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 209.8976462, 66.60121455, 35.06862634, 21.59248861, 14.31004155, 9.865262458, 6.94460585, 4.929619267},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 342.7409483, 76.92289229, 38.01769002, 22.79670179, 14.89165849, 10.17410537, 7.118322075, 5.030773652},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 933.5656741, 91.02970547, 41.5080516, 24.1430568, 15.52249527, 10.50287191, 7.300926461, 5.13614903},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 111.4712533, 45.70380199, 25.65829867, 16.20907562, 10.8535541, 7.493118926, 5.246015109},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 143.7499387, 50.84281109, 27.37633129, 16.95912949, 11.22841867, 7.695674876, 5.360665073},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 202.3377654, 57.28344586, 29.34078428, 17.78188522, 11.63005616, 7.909455586, 5.4804182},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 341.5251341, 65.591933, 31.6087696, 18.68845126, 12.06144071, 8.135420548, 5.605622836},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1094.142012, 76.71862205, 34.25652594, 19.69232067, 12.526004, 8.374641795, 5.736659728},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 92.39024239, 37.38815671, 20.81004695,13.02772673, 8.62832095, 5.873945969},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 116.1062038, 41.14964111, 22.06216444, 13.57125273, 8.89780931, 6.017939377},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 156.1988344, 45.75224397, 23.47446092, 14.16203347, 9.184632062, 6.169143629},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 238.576319, 51.51360631, 25.07977304, 14.80651118, 9.490517107, 6.32811407},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 504.7680903, 58.93434126, 26.92057082, 15.51235501, 9.817429792, 6.495464632},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68.85194551, 29.05277052, 16.28876755, 10.16761538, 6.671875711},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 82.78149639, 31.55151296, 17.14688808, 10.54365045, 6.858103339},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 103.7746434, 34.52020285, 18.10033079, 10.94850664 ,7.05499016},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139.0292374, 38.10517727, 19.165912, 11.38562909, 7.26347801},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 210.5531877, 42.52056695, 20.36465099, 11.85903494, 7.484623115},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 433.6039241, 48.09269824, 21.72316998, 12.37343691, 7.719613948},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 55.34465047, 23.27569497, 12.93440095, 7.969792483},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65.17086216, 25.0669786, 13.5485482, 8.236680033},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 79.23780068, 27.15668482, 14.22381777, 8.522007982},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 101.0461288, 29.62616308, 14.96981155, 8.827755611},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139.4121801, 32.58928598, 15.7982539, 9.15619583},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224.7315854, 36.21050666, 16.7236121, 9.509952019},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 579.1037739, 40.73645179, 17.76394862, 9.892068009},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46.55457269, 18.94211152, 10.306096},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 54.31039841, 20.28743221, 10.75620733},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65.16534476, 21.83820022, 11.24733338},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81.440737, 23.64536625, 11.7853471},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108.5476488, 25.77824661, 12.3772988},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 162.6912583, 28.33361838, 13.03172703},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 324.5623832, 31.45081246, 13.75907279},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62791.68001, 35.33799211, 14.57224103}};
cout << "input temp"<< endl;
cin >> t;
cout << "input the pressure"<< endl;
cin >> p;
for (i=0; i<21; i++);
for (j=0; j<75; j++)
{
if (pt[j][i]>= p)
{
p1=pt[j-1][i];
p2=pt[j][i];
break;
}
}
cout<<"p1 ="; cout<<"p2 =";
for( i = 0; i<75; i++)
for(j= 0; j<21; j++)
{
if(pt[i][j]>=t)
{
a1=pt[i][j-1];
a2=pt[i][j];
break;
}
}
cout<<"t1=";
m=(a2-a1)/5;
cout<<"t2="<< cout.precision(4);
cout<<"The slope is: ";
cin.get();
w=m*(t-i)+t1;
cout<<"The answer is = "<<w;
if(p==5)
{
a = 15;
}
if(p==10)
{
a = 16;
}
if (p==15)
{
a = 17;
}
if (p==20)
{
a=18;
}
if (p==25)
{
a=19;
}
if (p==30)
{
a=20;
}
if (p==35)
{
a=21;
}
if (p==40)
{
a=22;
}
if (p==45)
{
a=23;
}
if (p==50)
{
a=24;
}
if (p==55)
{
a=25;
}
if (p==60)
{
a=26;
}
if (p==65)
{
a=27;
}
if (p==70)
{
a=28;
}
if (p==75)
{
a=29;
}
if (p==80)
{
a=30;
}
if (p==85)
{
a=31;
}
if (p==90)
{
a=32;
}
if (p==95)
{
a=33;
}
if (p==100)
{
a=34;
}
if (p==105)
{
a=35;
}
if (p ==110 )
{
a=36;
}
if (p==115)
{
a=37;
}
if (p==120)
{
a=38;
}
if (p==125)
{
a=39;
}
if (p==130)
{
a=40;
}
if (p==135)
{
a=41;
}
if (p==140)
{
a=42;
}
if (p==145)
{
a=43;
}
if (p==150)
{
a=44;
}
if (p==155)
{
a=45;
}
if (p==160)
{
a=46;
}
if (p==165)
{
a=47;
}
if (p==170)
{
a=48;
}
if (p==175)
{
a=49;
}
if (p==180)
{
a=50;
}
if (p==185)
{
a=51;
}
if (p==190)
{
a=52;
}
if (p==195)
{
a=53;
}
if (p==200)
{
a=54;
}
if (p==205)
{
a=55;
}
if (p==210)
{
a=56;
}
if (p==215)
{
a=57;
}
if (p==220)
{
a=58;
}
if (p==225)
{
a=59;
}
if (p==230)
{
a=60;
}
if (p==235)
{
a=61;
}
if (p==240)
{
a=62;
}
if (p==245)
{
a=63;
}
if (p==250)
{
a=64;
}
if (p==255)
{
a=65;
}
if (p==260)
{
a=66;
}
if (p==265)
{
a=67;
}
if (p==270)
{
a=68;
}
if (p==275)
{
a= 69;
}
if (p==280)
{
a=70;
}
if (p==285)
{
a=71;
}
if (p==290)
{
a=72;
}
if (p==295)
{
a=73;
}
if (p==300)
{
a=74;
}
if (p== 1)
{
a = 11;
}
if (p== 2)
{
a = 12;
}
if (p== 3)
{
a = 13;
}
if (p== 4)
{
a = 14;
}
if (p == 1e-1)
{
a = 10;
}
if (p == 1e-2)
{
a = 9;
}
if (p== 1e-3){
a = 8;
}
if (p== 1e-4)
{
a = 7;
}
if (p== 1e-5)
{
a = 6;
}
if (p== 1e-6)
{
a = 5;
}
if (p== 1e-7)
{
a=4;
}
if (p== 1e-8)
{
a=3;
}
if (p== 1e-9)
{
a =2;
}
if (p== 1e-10)
{
a=1;
}
b=(120+t)/5;
cout<<"the answer is : "<<pt[a][b];
return 0;
}
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