How to call a function in an m file in a function in another m file in MATLAB

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Syed 2013-9-7

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采纳的回答： Image Analyst

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Hi,

I have two functions in separate m files in the same directory given as:

1st function:

function [P] = Calculate_Transmission_Prob_Matrix()
% this function calculates a transmission probability matrix (i.e., P)

2nd function:

% this function calculates stationary_probability by combining the transmission probability matrix (P) and a matrix of ones which is of the same size as P.
function stationary_probability = Calculate_Stationary_Probability()

Here's how i called the 1st function in the second function:

      [P] = Calculate_Transmission_Prob_Matrix();
      stationary_probability_initialize = ones(size(P)); 
      stationary_probability = [stationary_probability_initialize P];

Is this correct? If not how can i correct it?

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Answer 1

Image Analyst 2013-9-7

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https://ww2.mathworks.cn/matlabcentral/answers/86561-how-to-call-a-function-in-an-m-file-in-a-function-in-another-m-file-in-matlab#answer_96064

编辑：Image Analyst 2013-9-7

Looks correct, other than you don't need the enclosing brackets in [P] in either the function definition or when you call it. You only need them when there are more than 1 return variables. Also, stationary_probability_initialize and P must have the same number of rows for you to stitch them together side by side, but your ones() function will handle that fine.