How can you know when a matrix is invertible? Here’s a video from a college friend of mine that answers the question.
So THIS is how Matt DeLong is spending his sabbatical from Taylor.
It is not obvious at all why you need to calculate determinant. You could tell them to see if zero is on the line (2×2 case) or plane (3×3) formed by columns.
[...] to The Endeavour for [...]
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John D. Cook
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So THIS is how Matt DeLong is spending his sabbatical from Taylor.
It is not obvious at all why you need to calculate determinant. You could tell them to see if zero is on the line (2×2 case) or plane (3×3) formed by columns.