Accepting and saving multiple size matrix input

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Dong-Kyeong
Dong-Kyeong 2011-11-27
a=[1];
b=[2 3 4];
c=[5; 6; 7];
d=[8 9 10; 11 12 13; 14 15 16];
I want to make a function that works with an undefined number of inputs.
In this case, 4 inputs (a,b,c,d)
////////////
Then I make the function as follows:
function out=Func(varargin)
Then when I use the function, I input:
result value=Func(a,b,c,d) %Only this command is allowed to get result value. The only changes that can be made are changing the number of input matrices.
////////////
Inside the function when I use the varargin, I get:
varargin(1) % [1]
varargin(2) % [1x3 double]
varargin(3) % [3x1 double]
varargin(4) % [3x3 double]
Is it possible to get the values of b,c,d instead of the matrix sizes?
I want to work with the values of b,c,d.
For example
out= sum(a) + sum(b) + sum(c) + sum(d)

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采纳的回答

Chandra Kurniawan
Chandra Kurniawan 2011-11-27
I have a function 'Func'
function out = Func(varargin)
out = 0;
for num = 1 : nargin
out = out + sum(varargin{num}(:));
end
Save the function with filename 'Func.m' And then I have a m-file
clear all; clc;
a=[1];
b=[2 3 4];
c=[5; 6; 7];
d=[8 9 10; 11 12 13; 14 15 16];
value = Func(a,b,c,d)
Then, try to run your m-file. You will get :
value =
136
>>

更多回答（1 个）

Junaid
Junaid 2011-11-27
As I understand you want a function undefined number of input. so it can either be implemented as follow.
function myFunc(varargin)
switch nargin
case{0}
% this mean no argument.
case{1}
% means one argument
case{2}
% means two argument. and so on
otherwise
% default
end

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