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

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base/ElemStiffMatP1.m File Reference

Computation of the element stiffness matrix for -Lagrange finite elements. More...

Go to the source code of this file.

## Functions
function AElem = | ElemStiffMatP1 (q1, q2, q3, area)
| Computation of the element stiffness matrix for -Lagrange finite elements.

## Detailed Description

Computation of the element stiffness matrix for -Lagrange finite elements.

Definition in file ElemStiffMatP1.m.

## Function Documentation

function AElem = ElemStiffMatP1 | ( |  | q1,
|  |  | q2,
|  |  | q3,
|  |  | area
| ) |  |

Computation of the element stiffness matrix for -Lagrange finite elements.

Example

              q1=[0;0];q2=[0;1];q3=[1;0];
              area=1/2.;
              AElem=ElemStiffMatP1(q1,q2,q3,area);

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Parameters:

  q1 | Coordinates of the first vertex in the triangle, array
  q2 | Coordinates of the second vertex in the triangle, array
  q3 | Coordinates of the third vertex in the triangle, array
  area | triangle area

Return values:

  AElem | Element stiffness matrix, matrix

Definition at line 17 of file ElemStiffMatP1.m.

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