Interview Question: Matrix Calculation

Sample Question #142 (applied math – matrices)

We have two matrices:

        1   2
A =
        
7   8

and

       -1   9
B = 
        
2   3

What’s the Kronecker product between A and B?

(Comment: matrix operations are fundamental to a lot of numerical methods)

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One Response to Interview Question: Matrix Calculation

  1. Brett says:

    ANSWER
     
    To calculate the Kronecker product, you multiply each element of A with the entire B. In the end you’ll get an 4 x 4 matrix in this case.
     

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