inverse matrix

  1. A

    Matrix Inverse message box help

    Hello all, I'm new to this forum, but I feel like this is a great place to get help. I am trying to find the correct If Then coding to use that will pop up a message box if there is no inverse to a matrix, but everything I have tried has failed. The closest I have gotten to something that works...
  2. M

    Making an 18x18 Matrix

    Hello! I have to make an 18x18 matrix calculator using excel for my math project. It should be able to solve the determinant, the inverse, the answers if there were a given system of equations, and the L&U of the matrix. I know I could easily do those by using the built-in matrix functions, but...

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