How to add matrices in a function with varying input arguments

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Hail
Hail 2014-7-16
评论： Hail 2014-7-16
I have a function: myfunction(varargin), where the varargin are matrices. I want this function to add all of the matrices I input. Hows the best way of doing this?

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James Tursa
James Tursa 2014-7-16
Do you mean simply adding up all of the varargin individual inputs, like this?
if( nargin )
matrix_sum = varargin{1};
for k=2:nargin
matrix_sum = matrix_sum + varargin{k};
end
end

更多回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2014-7-16
You can use one cell array containing all your matrices
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Azzi Abdelmalek
Azzi Abdelmalek 2014-7-16
M1=[1 2;3 4] % first matrix
M2=[1 2 3;0 1 0]% second matrix
M={M1,M2}
Use M as cell array, where
M{1} %is the first matrix
M{2} % the second matrix
Hail
Hail 2014-7-16
Sorry I dont think I was clear. I want to create a function that no matter how many matrices I input, it will add them together. All of the matrices will have the same dimensions.
So if I had: M1=[1 2 3; 4 5 6] M2=[2 3 4; 5 6 7]
myfunction(M1,M2)
it'll out put
[3 5 7;9 11 13]

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