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Comment:Initial revision
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SHA3-256: 4c4a8971d78bed9553170eff1bf9ce7b32295c85c6b4ee62e5607460cf4d8cc2
User & Date: gawthrop@users.sourceforge.net on 1999-04-02 06:23:20
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Context
1999-04-02
06:27:55
Modified for new implicit method with swoitches check-in: 439fc7db96 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
06:23:20
Initial revision check-in: 4c4a8971d7 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
06:22:53
Handles switches by deleting, not zeroing appropriate matrix
entries. Avoids problem with rounding error. check-in: 2a3c57d776 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
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Added mttroot/mtt/bin/trans/m/mtt_implicit.m version [a7ae1d8e31]. 

















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function [x] = mtt_implicit(x,dx,AA,AAx,dt,Nx,open); # Implicit update

## ###############################################################
## ## Version control history
## ###############################################################
## ## $Id$
## ## $Log$
## ###############################################################

## Copyright (C) 1999 by P.J. Gawthrop

  I = nozeros(!open.*[1:Nx]');	# Indices of states to update
  x(I) = AA(I,I)\(AAx(I) + dx(I)*dt);	# Implicit update (exept open switches);

endfunction






















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