# Critical density iteration

From Serpent Wiki

## Input

iternucN_{ZAI}ZAI_{1}ZAI..._{2}ZAI[_{NZAI}N_{MAT}MAT_{1}MAT..._{2}MAX]_{NMAT}

N_{ZAI} |
: number of different nuclides (ZAI) included in the iteration |

ZAI_{i} |
: the ZAI (e.g. 50100 for boron 10 ground state) of the nuclide to be included in the iteration |

N_{MAT} |
: number of different materials included in the iteration (optional parameter) |

MAI_{i} |
: the name of the material to be included in the iteration |