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Join elements of an array

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fede
fede 2015-7-12
评论： Image Analyst 2015-7-12
If I have two array
a=[1 2 3 0]
b=[0 0 5 4]
and I want the array c=[1 2 3 4] How should I proceed?
In other words I want a array c in which the element of array a==0 is replaced with the element of matrix b.

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2015-7-12
编辑：Azzi Abdelmalek 2015-7-12
a=[1 2 3 0]
b=[0 0 5 4]
idx=a==0
bb=sort(nonzeros(b))
a(idx)=bb(1:sum(idx))
  2 个评论
fede
fede 2015-7-12
编辑：Azzi Abdelmalek 2015-7-12
mmmm but if i want a general formula? I have two arrays of prices.
a=[p1 p2 p3 0 0 0 ....]
b=[0 0 p3 p4 p5 0 0....]
and I want join the two arrays to obtain a array c in which I have
c=[p1 p2 p3 p4 p5]
Azzi Abdelmalek
Azzi Abdelmalek 2015-7-12
Have you tried my code?

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