Convert cartesian coordinates to polar coordinates

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N/A 2020-11-24
评论： N/A 2020-11-24
Please let me know how to fix my code.
Here is my code so far:
I created a file and named it Cart2polar.m
[r,theta]=cart2polar(x,y)
r=sqrt(x^2+y^2);
theta=atan(y/x);
I created a new live script, then ran it.
[r,theta]=cart2polar(2,2)
Here is the homework prompt:
  2 个评论
N/A
N/A 2020-11-24
Please scroll down to the colored text (at the bottom). I included a picture of the question.

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Stephan
Stephan 2020-11-24
编辑：Stephan 2020-11-24
Edit your file - you did not declare it as a function, so Matlab uses it as a script. Also think about to vectorize your code, to allow it to accept vector inputs:
function [r,theta]=cart2polar(x,y)
r=sqrt(x.^2+y.^2);
theta=atan(y./x);
end
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Stephan
Stephan 2020-11-24
编辑：Stephan 2020-11-24
Save the filein your working directory and close it. Then open another script or use the command line with the call of the function like you already did correctly:
[r,theta]=cart2polar(2,2)
The idea behind a function is, that once it is written in can always be called from command line, another function or a script just by using the correct input arguments and in your case 2 output arguments that it returns when it was called correctly.

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