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Comments on Matrix solution software
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Matrix solution software
I am trying to invert the matrix in the picture. I had done mistakes 3 times. And I heard someone in Khanacademy were saying "let computer do the hard tasks". I was trying to find better Matrix solution software online, but I am also willing to install software if it solves my problem.
I had found Matrix Calc. You know what when I had put the above matrix there then that webpage was completely unresponsive..
I found another site called SymbolLab. But the site isn't completely better for matrix. Only addition subtraction is helpful. But not inverse. Sometimes I get Illegal input in that site also.
I had found another one also: https://matrix.reshish.com/matrixMethod.php. In this page I just can deal with simple matrix (just talking about 3x3 matrix for now). But I can do simple inverse matrix in notepad I don't need them to solve simple matrix.
I don't think I should show further research about the topic.
Post
I recommend Sage. It is an open-source general purpose mathematics software based on Python. You can install it from the link above, or for quick computations, you can also just use their free server: https://sagecell.sagemath.org/
You can find many resources on inverting matrices in Sage online, but here is a quick example in a Sage interpreter:
sage: M = Matrix([[1, 4], [2, 3]])
sage: M
[1 4]
[2 3]
sage: M.inverse()
[-3/5 4/5]
[ 2/5 -1/5]
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