mapping matrix of two vectors

Question

Lama Hamadeh 2022-4-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1690850-mapping-matrix-of-two-vectors

评论： Rajiuddin Sk 2023-2-1

采纳的回答： Davide Masiello

Hi,

If I have two vectors

and

as shown below. Is there a way to create matrix

that mapps each row of A with its correspondent in B? In other words, check row by row of both A and B. Row 1 in A has the value of 1 and corresponds to value of 3 in B, then put one, otherwise put zero.

Thanks.

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Answer 1

Davide Masiello 2022-4-7

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链接

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https://ww2.mathworks.cn/matlabcentral/answers/1690850-mapping-matrix-of-two-vectors#answer_937040

在 MATLAB Online 中打开

clear,clc
 
A = [1;2;3;4];
B = [3;1;4;2];
C = A == B'
C = 4×4 logical array
   0   1   0   0
   0   0   0   1
   1   0   0   0
   0   0   1   0

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Rajiuddin Sk 2023-2-1

Dear Davide,

When the matrix A and B contains symbols, then MATLAB could not find the transformation matrix in above mention method. Can you say how to find the transformation matrix in case of symbolic matrix?

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