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1995-03-31
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(Comp.sys.hp48)
Item: 394 by detlef@mwhh.hanse.de
Author: [Romain Desplats]
Subj: Symbolic matrix library
Date: Mon Dec 16 1991
SYMBOLIC MATRIX LIBRARY
hello, here is a library wrote in internals
it works with list of list :
{ { a b }
{ c d } }
here is a summary of what it does
DNN determinamt
ADJ adjoint
MNN solve s linear system as
2 : { d ... f }
1 : { { a ... b }{...}{ c ... d } }
MNI inverse
CDN constant multiplies the iddentity matrix k.I
2 : A
1 : 3
ADD +
MLT *
SUB -
TRAN transpose
ATL array to list [[][][]]
LTA list to array {{}{}{}}
TOSTACK explode the list of list on the stack
have fun and email me for any comments and improvement
at dehon@platon.greco-prog.fr
Romain Desplats