---
name: "lagrange"
section: "7rheolef"
platform: "linux"
package: "librheolef-dev"
version: "7.0-2+b1"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/lagrange"
---

# lagrange(7rheolef)

Lagrange polynomial basis

## NAME

**Pk** - Lagrange polynomial basis

## SYNOPSIS

space Vh(omega,"P1");

## DESCRIPTION

This is the most popular polynomial **basis** for the finite element method. It is indicated in the **space** (see space(2)) by a string starting with the letter **"P"**, followed by digits indicating the polynomial order.

## OPTIONS

This basis recognizes the equispaced/warburton node option and the raw polynomial option. See basis\_option(2).

## SEE ALSO

space(2), basis\_option(2)

## COPYRIGHT

Copyright (C) 2000-2018 Pierre Saramito \<Pierre.Saramito@imag.fr\> GPLv3+: GNU GPL version 3 or later \<http://gnu.org/licenses/gpl.html\>. This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.