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Rectangular Matrix Product Poser (Posted on 2016-04-16) Difficulty: 4 of 5
Let A and B be the two matricies:
      [ 4  2 -10 ]       [ 0  3 ]
  A = [-1  1   5 ]   B = [-2  5 ]
      [-1 -2  -2 ]  
Find a 3x2 matrix C with rank 2 such that A*C = C*B.

See The Solution Submitted by Brian Smith    
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Complex | Comment 3 of 4 |
I could expect that the official solution would be complex (and beyond my present possibilities) as the problem has four marks. 

It match the enlarged solution I posted for m=2 n=-1, but I have been helped by an online matrix reductor. Otherwise I suppose it would have been a nightmare. 

Edited on April 19, 2016, 5:01 pm
  Posted by armando on 2016-04-19 15:50:22

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