input the matrix from user
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i want to find out the mean of the matrix
but the matix should be given by users in command window
y= input(a);
% mean(mean(A,1),2);
采纳的回答
A = input('Please input the matrix like "[1, 2; 3, 4]":');
% Type e.g.:
% [1, 2; 3, 4]
meanA = mean(A(:))
% Or in modern Matlab versions:
meanA = mean(A, 'all')
% Or more basic:
meanA = sum(A, 'all') / numel(A)
See:
doc input
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