Error: Array indices must be positive integers or logical values.

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Brooke Mitchell
Brooke Mitchell 2019-10-8
评论： Brooke Mitchell 2019-10-8
I have looked at past threads and cannot find the issue of my problem. The error is in the last line with description "Array indices must be positive integers or logical values"
q=10; % W/m^3
km=100; %W/Km
kw=500; %W/Km
R1=1;
R2=1.2;
N=5;
Tr=300;
dr=R1/(N+1);
M=zeros(N+N,N+N);
M(N+1,N+1)=-km/((N+1)*dr^2)-kw((N+1)*dr^2);

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采纳的回答

Stephan
Stephan 2019-10-8
编辑：Stephan 2019-10-8
the expression
kw((N+1)*dr^2)
is the problem. I suspect a missing * or / - for example:
kw*((N+1)*dr^2)

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