a) interp1. Find the y values that correspond to the xi values using % linear in

Question

a) interp1. Find the y values that correspond to the xi values using % linear interpolation from the vectors x and y. (A)

b) spline. Find the y values that correspond to the xi values using % the spline method from the vectors x and y. (B)

c) polyfit. Find the coefficients of the fifth order polynomial that best % fits the points represented by vectors x and y. (C)

d) polyval. Evaluate the polynomial found in part c at the points in the % vector xi. (D)

e) diff. Approximate the derivative, dy/dx, for the vectors x and y. (E)

f) Approximate the second derivative for the vectors x and y. The % x vector should consist of all except for the last index of the original % x vector used in the previous part. (F)

g) cumsum. Find the cumulative sum of the elements in x. (G)

h) trapz. Find the area under the curve represented by x and y by using the trapzoidal method of approximation. (H)

I) cumtrapz. Find the cumulative area under the curve represented by x and y by using the trapzoidal method of approximation. (I)

Explanation / Answer

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