Consider s = - 5:5; t = [- 120, - 60, - 24, - 6, 0, 0, 0, 6, 24, 60, 120]. Write

Question

Consider s = - 5:5; t = [- 120, - 60, - 24, - 6, 0, 0, 0, 6, 24, 60, 120]. Write the equation of the best fitted curve. t (s) = s^3 + 6.2s^2 - s - 2 t (s) = s^3 + 6.2s^2 t (s) = s^3 + 6.2 - 16s^2 - s - 2 - 15 t (s) = s^3 - s Assume x = 0:10. Use the MATLAB interpolation command and find the most accurate value of the polynomial function P (x)= In (x) - 3^(x - 1) for x = 0:0.2:10. > > sym ("x"); > > P = log (x) - 3*exp (x - 1); > > interp 1 (x, P); > > x= 1:10; > > y = x.^3 + x - 6; > > ynew = Interp 1 (x, y, 0:0.2:10, "spine"); > > x = 1:10; > > y = x.^3 + x - 6; > > xnew = 0:0.2;10; > > ynew = Interp 1 (x, y, xnew, 'spline'); Both b and c What is the tensile strength in MPa of this specific material at 425 degrees of Kelvin? 213.9400 MPa 213.1486 MPa 204.8500 MPa 213.6996 MPa

Explanation / Answer

17) Answer: option b

It is a curve with s shape so the above equation will fit into the data
18) Answer: option a
19) Answer: option b

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