Write a function called HW5_P1 that accepts 1 input argument: an array, a. The function should...

Write a function called HW5_P1 that accepts 1 input argument: an array, a. The function should output an array, b, that is computed as: b=3a+5.

Write a MATLAB function called “fit_line” that accepts 2 input arguments: a column vector of x data and a column vector of y data. The nth element in the input arguments should correspond to the nth Cartesian data point i.e. (xn,yn). The function should compute and return 2 outputs: the slope, m, and the y intercept, b, of a straight line (y=mx+b) that “best-fits” the data points.

Solutions

Expert Solution

a = 1:1:10; %create random array from 1->10

b = HW5_P1(a) %function call

function b = HW5_P1(a)

b = 3*a + 5;

end

%output:

clc;

x = 1:1:100; %create random array from 1->10

y = 1:2:200;

[m b] = fit_line(x,y) %function call

function [m b] = fit_line(x,y)

P = polyfit(x,y,1);

m = P(1); %slope m

b = P(2); %intercept b

end

%output:

venereology answered 11 months ago

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