FEATool  v1.6
Finite Element Analysis Toolbox
 All Files Functions Pages
pntset.m File Reference

Description

PNTSET Set Dirichlet point constraints.

[ F, INDROW, AMAT, T ] = PNTSET( PROB, F, AMAT, ISYMM, SET_NULL ) Sets Dirichlet point constraints conditions in the right hand side load vector F and global matrix AMAT with the information in the finite element problem struct PROB.

Input       Value/(Size)           Description
-----------------------------------------------------------------------------------
prob        struct                 Finite element problem struct
f           (neq,1)                Right hand side/load vector
amat        (n_a,n_a)              System matrix (sparse or triplet format)
isymm       scalar/{0}             Symmetrize BCs if applicable.
set_null    scalar/{0}             Set zeros in f vector.
                                                                                  .
Output      Value/(Size)           Description
-----------------------------------------------------------------------------------
f           (neq,1)                Modified right hand side/load vector
indrow      (neq,1)                Index to rows (dofs) in rhs which were set
amat        (n_a,n_a)              Modified system matrix
t           scalar                 Time spent in function
Required fields of prob:
Required fields of amat: