How to write this fuction in Matlab? I have an example code in Python

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How to write this fuction in Matlab?
Someone wrote it in Python like this:
def b(r):
return b_1 - (b_1 - b_2) / (r_2 - r_1) * (r - r_1)

Accepted Answer

Jan
Jan on 25 Jan 2023
Assuming that b_1, b_2, r_1, r_2 are constants:
% As anonymous function:
r_1 = rand; % Define the constants
r_2 = rand;
b_1 = rand;
b_2 = rand;
b = @(r) b_1 - (b_1 - b_2) / (r_2 - r_1) * (r - r_1);
% Or as a function:
function out = b(r)
r_1 = rand; % Define the constants
r_2 = rand;
b_1 = rand;
b_2 = rand;
out = b_1 - (b_1 - b_2) / (r_2 - r_1) * (r - r_1);
end

More Answers (2)

Jiri Hajek
Jiri Hajek on 25 Jan 2023
Hi, your function contains four parameters, so the python code is incomplete. You can do this several ways in MATLAB, classic syntax would be:
% Test call
myVar = bFunName(10)
myVar = -5
% function definition
function b = bFunName(r)
b_1 = 1;
b_2 = 2;
r_2 = 3;
r_1 = 4;
b = b_1 - (b_1 - b_2) / (r_2 - r_1) * (r - r_1);
end

Luca Ferro
Luca Ferro on 25 Jan 2023
b= @(r) b1 - ((b1-b2)*(r-r1))/(r2 -r1);
where b1,b2,r1,r2 are constants

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