### Abstract

A finite element method for hyperbolic equations is analyzed in the context of a first order linear problem in R**2. The method is applicable over a triangulation of the domain, and produces a continuous piecewise polynomial approximation, which can be developed in an explicit fashion from triangle to triangle. In a sense, it extends the basic upwind difference scheme to higher order. The method is shown to be stable, and error estimates are obtained. For nth degree approximation, the errors in the approximate solution and its gradient are shown to be at least of order h**n** plus ** one quarter and h**n** minus ** one-half , respectively, assuming sufficient regularity in the solution.

Original language | English (US) |
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Pages (from-to) | 257-278 |

Number of pages | 22 |

Journal | SIAM Journal on Numerical Analysis |

Volume | 24 |

Issue number | 2 |

DOIs | |

State | Published - Jan 1 1987 |

### All Science Journal Classification (ASJC) codes

- Numerical Analysis
- Computational Mathematics
- Applied Mathematics

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## Cite this

*SIAM Journal on Numerical Analysis*,

*24*(2), 257-278. https://doi.org/10.1137/0724021