` b=inv(a)`

Inputs | |

`a` |
A square matrix. |

Outputs | |

`b` |
The inverse of the input. |

Although the equation

`a*x = b`

may be solved by calculating the
inverse of `a`

and using `x=inv(a)*b`

, it is much more efficient to
use the left division operator with `x=a\b`

.