### Vector/Matrix Library - Initialization

This is the index page for the Initialization section of the Vector/Matrix Library
for SOFA Library Issue 2021-05-12 for ANSI C. The Initialization section
includes the following routines:

#### Operations involving p-vectors and r-matrices

Zp | — |
Zero p-vector |

Zr | — |
Initialize r-matrix to null |

Ir | — |
Initialize r-matrix to identity |

#### Operations involving pv-vectors