How to automatically input function arguments?

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Sheet Topno
Sheet Topno 2023-3-18
评论： Sheet Topno 2023-3-18
I have to ask the user for the values of 'n'. I have two defined variables 'a' and 'b' which are vectors. I have to substitute 'a' and 'b' in the function allcomb() in a manner that 'a' occurs 'n' times followed by 'b'.
For example if n=5 then I need the value of allcomb(a, a, a, a, a, b).
For n=2, allcomb(a, a, b) is required.
How should I write a code which decides the input arguments?
Thank you.

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采纳的回答

DGM
DGM 2023-3-18
编辑：DGM 2023-3-18
Assuming that allcomb() takes a variable-length argument list, this is one way.
% inputs
n = 2;
a = [1 2];
b = [3 4];
% create expanded argument list
args = [repmat({a},[1 n]),{b}];
% use it
x = allcomb(args{:});
See also: https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html

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