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I have to multiplty 2 matrices in Mathematica, but I have no idea how to force simplification. I create matrices by A={{a,1,b,},... and multiply using C=Dot=[A,B]//MatrixForm

My problem is that Mathematica gives output like A*B, but it's not simplified and calculated.

imdumb
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  • Please provide code needed to reproduce the problem. – Kuba Feb 06 '18 at 17:30
  • A={{1,a,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}}//MatrixForm

    B={{1,1,1,1},{0,1,0,a},{a,b,c,d},{0,0,0,1}}//MatrixForm

    C=Dot[A,B] //MatrixForm

     – imdumb Feb 06 '18 at 17:50
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    You should write (A = ...) // MatrixForm, see linked topic and let me know if you disagree with closing. – Kuba Feb 06 '18 at 17:58
  • Thank you! It worked :) I spend 3h trying to figure it out. The funny thing is that I had the same problem in Maple(working on the same exercise), but obviously the solusion was different. – imdumb Feb 06 '18 at 18:17

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