error to get the answer by Kronecker

function K = kronecker(A,B)
if ~issparse(A) && ~issparse(B)
if ~ismatrix(A) || ~ismatrix(B)
error('kronecker:TwoDInput','Inputs must be 2-D.');
end
% Both inputs are full, result is full. This is faster than
% MATLAB stock kron (indexing based)
[ma, na] = size(A);
[mb, nb] = size(B);
A = reshape(A,[1 ma 1 na]);
B = reshape(B,[mb 1 nb 1]);
K = bsxfun(@times,A,B);
K = reshape(K,[ma*mb na*nb]);
else % One of the input matrix is sparse
% Call MATLAB stock KRON
K = kron(A,B);
end
how can i solve the error ?

댓글 수: 6

KSSV
KSSV 2019년 5월 1일
What input you tried? Waht error you get?
Walter Roberson
Walter Roberson 2019년 5월 1일
What error? You have not shown us any error message, and you have not shown us how you are calling this or what the size() or class() of the inputs are.
imrankhan ajees
imrankhan ajees 2019년 5월 1일
need more details about the error what is shown???
lamda=0.2
mu=1-lamda
A=[-(lamda1+lamda2) mu2 mu1 0;lamda2 -(mu2+lamda1) 0 mu1;lamda1 0 -(lamda2+mu1) mu2;0 lamda1 lamda2 -(mu1+mu2)];
B=[1;0;0;0];
Walter Roberson
Walter Roberson 2019년 5월 1일
Undefined variables lamda1, lamda2, mu1, mu2
You set variables lamda and mu but you do not use them.
You still have not indicated what error you are observing.
imrankhan ajees
imrankhan ajees 2019년 5월 1일
copy the content on the command window after getting the error and post it otherwise we can't help you

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