problem with Part function
- To: mathgroup at smc.vnet.net
- Subject: [mg18172] problem with Part function
- From: "Casubolo Dario" <bubbola at workline.it>
- Date: Sat, 19 Jun 1999 23:54:31 -0400
- Sender: owner-wri-mathgroup at wolfram.com
Just a little problem:
I've a matrix of zeros, say:
mat=Table[Table[0,{5}],{5}];
then, I've a point in xy axys,
xy={3,3};
now, I want the position {3,3} of matrix becomes 1;
if I write
mat[[xy]]=1; or mat[[{3,3}]]=1; it doesn't work; only mat[[3,3]]=1
works, but I don't want rewrite all.
I think I've to use something like Map, Thread, Apply or so, but I don't
know what and how exactely;
please, someone help me.
THANK YOU
Dario Casubolo
email: bubbola at workline.it
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