How to create a new matrix with some known rows

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Moe
Moe 2014 年 7 月 9 日
回答済み: Sara 2014 年 7 月 9 日
Hello everyone,
Suppose matrix a is like:
a = [2;3;6;2];
b = [1 3 6;2 3 7;2 2 1;3 1 9;3 2 8;4 1 5];
Then, I want matrix c to be like:
c = [2 3 7;2 2 1;4 1 5;2 3 7]
Matrix c is included all row numbers from matrix b which is in matrix a.

採用された回答

Sara
Sara 2014 年 7 月 9 日
c = b(a,:)

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