i have two matrix A and B, the size of A is like 10 86 and size of B is 3 86.
actually the matrix B is inside the matrix A.
now what i want is to know the index from matrix A where the vectors of matrix B exist.
like we have a row 1,2,3... 86 in matrix B and same in matrix A as well. I want to get the index of A where this row exist in A. please help me.
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