| OptFEM2DP1 Toolbox 1.2b4 Matlab/Octave Optimized P1-Lagrange Finite Element Method in 2D

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base/MassAssembling2DP1base.m File Reference

Assembly of the Mass Matrix by -Lagrange finite elements. More...

Go to the source code of this file.

## Functions
function M = | MassAssembling2DP1base (nq, nme, me, areas)
| Assembly of the Mass Matrix by -Lagrange finite elements.

## Detailed Description

Assembly of the Mass Matrix by -Lagrange finite elements.

- Basic version (see report).

Definition in file MassAssembling2DP1base.m.

## Function Documentation

function M = MassAssembling2DP1base | ( |  | nq,
|  |  | nme,
|  |  | me,
|  |  | areas
| ) |  |

Assembly of the Mass Matrix by -Lagrange finite elements.

- Basic version (see report).

The Mass Matrix is given by

where are -Lagrange basis functions.

Example

              Th=SquareMesh(10);
              M=MassAssembling2DP1base(Th.nq,Th.nme,Th.me,Th.areas);

See also:
  ElemMassMat2DP1

Copyright
  See License issues

Parameters:

  nq | total number of nodes of the mesh, also denoted by ,
  nme | total number of triangles, also denoted by ,
  me | Connectivity array, array. is the storage index of the -th vertex of the -th triangle in the array , and .
  areas | Array of areas, array. areas(k) is the area of the -th triangle.

Return values:

  M | Global mass matrix, sparse matrix.

Definition at line 17 of file MassAssembling2DP1base.m.

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