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vectors that don't rotate under a transformation · the skeleton of a matrix · runs locally
stretch
rotation
shear
symmetric
projection
reset
matrix M
characteristic polynomial
λ² − 4.00λ + 3.00 = 0
det = 3.000 · tr = 4.000
eigenvalues
λ₁ = 3.0000
λ₂ = 1.0000
ready
local
verify
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