How can I make a fuction that takes two points and returns the coefficients a, b

How can I make a fuction that takes two points p1 and p2 in 2D plane as input parameters

and returns the coefficients a, b of a linear function f(x) = a*x + b that crosses these points. The points are defined as vectors of two

values: pi =[xi, yi], but without using any ToolBoxes and cycles?

function [a,b] = linfunc(P1, P2)

[David]

Hi! This seems like a homework. Anyways, there are some hints:

> You can always get the slope of a line using m = (f(b) - f(a)) / (b - a). Once you get it, your function is almost done!

Good luck <3

Answer 1

[John D'Errico]

Surely this is homework. So I hope people do not do your homework for you. At the same time, it is easy to find the formulas online, for example here:

https://content.byui.edu/file/b8b83119-9acc-4a7b-bc84-efacf9043998/1/Math-2-11-2.html

Answer 2

[Image Analyst]

See attached polyfit demo and make the obvious modifications to it to solve your problem.

In the meantime, see polyfit.

This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started:

How do I get help on homework questions on MATLAB Answers? - MATLAB Answers - MATLAB Central

Obviously we can't give you the full solution because you're not allowed to turn in our code as your own.