how to find and add a matrix values from another matrix???

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suchismita
suchismita 2015 年 11 月 22 日
編集済み: Image Analyst 2015 年 11 月 22 日
I have a matrix A which holds the positions, which further i want to add from matrix B.
for example :
A=[1 2 5]
B=[ 0 0 9 0 10
0 0 9 0 10
9 9 0 9 9
0 0 9 0 10
10 10 10 10 0]
from B's first row i want to add 1st 2nd and [4] 5th elements the answer will be 0+0+10
A matrix represents the position to be added in B

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dpb
dpb 2015 年 11 月 22 日
編集済み: Image Analyst 2015 年 11 月 22 日
C=sum(B(1,A));
Open the online doc and under "Getting Started" read tutorial info on Array Indexing. I recommend working thru this introductory info in sequence to get going in Matlab quickly...

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