# Helper function to substract matrix from identity matrix and take inverse.

### Description

This function can be used to more easilly compute I - X or (I - X)^(-1), which are common in SEM models.

### Usage

1 |

### Arguments

`x` |
A matrix |

`inverse` |
Logical, should the inverse be taken? |

### Author(s)

Sacha Epskamp <mail@sachaepskamp.com>

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