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PseudoInverse

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PseudoInverse[m]

computes the Moore-Penrose pseudoinverse of the matrix m.
If m is invertible, the pseudoinverse equals the inverse.

• • PseudoInverse[{{1, 2}, {2, 3}, {3, 4}}]

• • PseudoInverse[{{1, 2, 0}, {2, 3, 0}, {3, 4, 1}}]

• • PseudoInverse[{{1.0, 2.5}, {2.5, 1.0}}]