Computation of the element stiffness matrix for $P_1$ -Lagrange finite elements. More...

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 $P_1$ -Lagrange finite elements.

Definition in file ElemStiffMatP1.m.

Function Documentation

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

Computation of the element stiffness matrix for $P_1$ -Lagrange finite elements.

Example

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

This file is part of OptFEM2DP1. OptFEM2DP1 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

OptFEM2DP1 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Parameters

q1	Coordinates of the first vertex in the triangle, $2\times 1$ array (double)
q2	Coordinates of the second vertex in the triangle, $2\times 1$ array (double)
q3	Coordinates of the third vertex in the triangle, $2\times 1$ array (double)
area	triangle area (double)

Return values

AElem Element stiffness matrix, $3\times 3$ matrix (double)

Definition at line 17 of file ElemStiffMatP1.m.

Functions

Detailed Description

Function Documentation