tridiagmatrix {cmna} | R Documentation |

## Solve a tridiagonal matrix

### Description

use the tridiagonal matrix algorithm to solve a tridiagonal matrix

### Usage

```
tridiagmatrix(L, D, U, b)
```

### Arguments

`L` |
vector of entries below the main diagonal |

`D` |
vector of entries on the main diagonal |

`U` |
vector of entries above the main diagonal |

`b` |
vector of the right-hand side of the linear system |

### Details

`tridiagmatrix`

uses the tridiagonal matrix algorithm to solve a
tridiagonal matrix.

### Value

the solution vector

### See Also

Other linear:
`choleskymatrix()`

,
`detmatrix()`

,
`gdls()`

,
`invmatrix()`

,
`iterativematrix`

,
`lumatrix()`

,
`refmatrix()`

,
`rowops`

,
`vecnorm()`

[Package

*cmna*version 1.0.5 Index]