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Superimposing one matrix on another

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Will
Will 2011-10-24
m =
120 0 0 0 100
120 0 0 0 100
120 0 0 0 100
120 0 0 0 100
120 0 0 0 100
120 0 0 0 100
m1 =
85 100 170
85 170 100
100 85 170
100 170 85
170 100 85
170 85 100
Let's say I have these 2 matices. I want to create m2 from m and m1:
m2 =
120 85 100 170 100
120 85 170 100 100
120 100 85 170 100
120 100 170 85 100
120 170 100 85 100
120 170 85 100 100
How would I go about doing this?

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2011-10-24
m2=m;
m2(m2==0)=m1

更多回答（1 个）

the cyclist
the cyclist 2011-10-24
One of a few possible ways:
m2 = m;
m2(:,2:4) = m2(:,2:4) + m1;
  1 个评论
Will
Will 2011-10-24
I'm trying to implement it into a loop in case I have different columns that are fixed.
Say I set: fixed = [ 0 1 1 1 0 ]. Where 0 denotes fixed columns.
for k = 1:length(fixed)
if fixed(k) == 1
m(:,?) = m(:,?) + m1;
end
end
What value would I input for the column of m?

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