# Internal functions

### Description

Functions not exported and not intended for general use.

### Usage

1 | ```
h1.solve.params(y1, d1, y2, d2)
``` |

### Arguments

`y1` |
y1 |

`d1` |
d1 |

`y2` |
y2 |

`d2` |
d2 |

Functions not exported and not intended for general use.

1 | ```
h1.solve.params(y1, d1, y2, d2)
``` |

`y1` |
y1 |

`d1` |
d1 |

`y2` |
y2 |

`d2` |
d2 |