` p=bicoef(n,k)`

Inputs | |

`n` |
An integer or array of integers. |

`k` |
An integer or array of integers of same size as n. None of the elements of `k` should be larger than the corresponding element of `n` . |

Outputs | |

`p` |
A real array of same size as `n` . |

Returns the binomial coefficient

`fact(n)./(fact(k).*fact(n-k))`

where fact is the factorial function.