fatcousin
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drag two vectors · determinant = parallelogram area · orientation flips sign · runs locally
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det(M)
3.5000
|area|
3.5000
orientation
CCW
det [[v₁ₓ v₂ₓ] [v₁ᵧ v₂ᵧ]] = v₁ₓ·v₂ᵧ − v₁ᵧ·v₂ₓ =
3.5000
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