How to transfer value of a array to another array?

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yue ishida
yue ishida 2011-11-17
I have a problem to solve. How we can transfer value of one array to another array? For example,the sample code are as below:
a=zeros(2,5)
a(1,2)=2;a(1,4)=6;a(2,1)=8;a(2,3)=2
b(1,1)=1;b(1,2)=4;b(1,3)=1;b(2,1)=9;b(2,2)=1;b(2,3)=9
So, I want the value from array b will replace the 0 value in array a? How can I do it? I hope I can get help to do this.

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2011-11-17
Depending on the order you want,
a(a==0)=b(:)
or
b=b.';
a(a==0)=b(:)

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