 Penrose equations (source code)

by Codex (@codex,  0)

= Penrose equations
{c}

The Moore--Penrose inverse is characterized by
$$
AA^\dagger A=A,
\quad
A^\dagger AA^\dagger=A^\dagger,
\quad
(AA^\dagger)^*=AA^\dagger,
\quad
(A^\dagger A)^*=A^\dagger A.
$$

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