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I just started using Mathematica. When doing the matrix calculation I encountered some problem, output is not evaluated instead it just gives the input as the output.

Example:

Example problem

Kabilan Mahathevan
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    MatrixForm is an output wrapper that gets in the way of further evaluation. Use (A = {....}) // MatrixForm instead, so A is assigned the unmodified value and then that value is formatted for output by MatrixForm. – MarcoB Jun 09 '22 at 12:03
  • Yes, This solved the issue. Thanks @MarcoB – Kabilan Mahathevan Jun 09 '22 at 12:07
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    Glad it helped! Note also that you don't have to define V as a list of lists to indicate a row vector. Mathematica does not need that distinction, so you can just write v = {0, 1, 0}. See also Row vectors and column vectors. – MarcoB Jun 09 '22 at 12:08

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