The determinant of a matrix is how much the matrix expands or contracts space. More precisely: it's the volume of the parallelepiped spanned by the columns of the matrix. (Ditto the rows.) This, btw, is why det 0 => non-invertible: one or more spatial dimensions has collapsedhttps://twitter.com/ZachWeiner/status/1073671743846395905 …
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Oh i see. I am familiar with matrix operations and how to get the determinants however I have problems understanding his explanation of what really is a determinant
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Linear algebra is the discovery that you can perform arbitrary computation in nifty ways using tables of numbers and short sequences of addition and multiplication. It's especially useful to deal with stuff moving in computable spaces.
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