If (x1,y1), (x2,y2), (Xn,yn) are n points in the xy coordinate system, then the

Question

If (x1,y1), (x2,y2), (Xn,yn) are n points in the xy coordinate system, then the least squares approximation to these points is the line y=mx+b, where m = middot (sum of x( middot yt) - (sum of xi) middot (sum of yi) / n middot (sum of xi middot xi) - (sum of xi)2 and b = (sum of yi) - m middot (sum of xi)/ n Write a program that will calculate and displays the equation of the least squares line. Prompt the user to input n " the number of points". Use a user defined function calculate_m to fill all the possible points of xi and yi to find m and another user defined function calculate_b to fill all the possible points of xi and yi to find b Note: Using Loops and user defined functions is a must.

Explanation / Answer

#include #include double calculate_m(double *x, double *y, int n) { int i; double sxy=0, sxx=0, sx=0, sy=0, m; for(i=0; i

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