MATLAB: How to find the Reverse process of A(B).

image processingMATLABmatricesmatrixmatrix arraymatrix manipulation

I have two arrays A and B. for instance,

A=[1 3 2 4 5 6 7 8 8 9 11];
B=[10 4 3 1 7 6 9 5 2 8 11];

in matlab

A(B)=[9     4     2     1     7     6     8     5     3     8    11];

My question is: How to calculate A, if B and A(B) are given.

Any help will be appericiated.

Best Answer

A=[1 3 2 4 5 6 7 8 8 9 11];
B=[10 4 3 1 7 6 9 5 2 8 11];
C = A(B); 
A2(B) = C;

However, if B contains duplicate values, A2 will not equal A.

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One way is to use a "grouping variable" as the second argument:

a=[9 3 5 3 0 10 6 8 4 9 7 3 8 6 6 9 1 8 8 6 10];
b=[10 7 5 6 8 6 4 7 8 8 9 7 10 7 6 6 7 2 8 10 8];
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Use

 a = [1 2 3 4 5 6]; b = [7 8 9 10 11 12];
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Best Answer

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MATLAB: How to merge two matrix into single matrix . two matrix is of size 270×13 into single matrix of 270×26 .this can be done by merging the cells alternatively.a=[1 2 3 4],b=[5 6 7 8],c=[1 5 2 6 3 7 4 8].is there any command available in matlab.help me

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