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Math Help - Matrix Operator

  1. #1
    Senior Member
    Joined
    Feb 2008
    From
    Berkeley, Illinois
    Posts
    364

    Matrix Operator

    I'm pleased to present the Matrix Operator Calculator. Enter 2 matrices of any row and column size, and you are able to add, subtract, or multiply them. If the matrices are not able to have the operation performed on them due to row/column combos, the calculator will flash you a warning message.

    The matrix operator not only gives you the answer, but the math involved for each entry of the answer matrix. See instructions for entering matrix entries, but it's quite easy.

    It's located on the linear algebra page and searchable by matrix, matrices, operation. I plan on putting a new lesson out there that will give you the determinant, inverse, and adjoint of any matrix. However, if anybody feels that it would add value to have those on this lesson, please let me know, such as having det|AB|. Otherwise, one could use this calculator, and then drop the matrix answer into the other lesson I'm building for the determinant, inverse, or adjoint.

    Let me know if you have any corrections or want enhancements. Enjoy!

    AB Matrix Operations
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  2. #2
    Senior Member
    Joined
    Feb 2008
    From
    Berkeley, Illinois
    Posts
    364
    Enhancements for this lesson:

    For the addition and subtraction math, I removed the operations from under the matrices, and instead did the math inside newly designed tables which align better with better spacing.

    IN addition, for the multiplication of AB, there is now a yellow color code for each step detailing which row/column combo is to be multiplied as well as a yellow code answer entry for each multiplication step.

    The lesson link above and search engine were not modified.
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