Re: put some elements to zero
- To: mathgroup at smc.vnet.net
- Subject: [mg101487] Re: put some elements to zero
- From: Alexei Boulbitch <Alexei.Boulbitch at iee.lu>
- Date: Wed, 8 Jul 2009 07:13:16 -0400 (EDT)
Dear Luigi,
there are several ways. How about this one:
g[{x_, y_}] := {x, 0};
In[31]:= g /@ {{x1, y1}, {x2, y2}, {x3, y3}}
Out[31]= {{x1, 0}, {x2, 0}, {x3, 0}}
Have fun, Alexei
Dear All,
I have a matrix with only two columns and many rows. For instance
{xi,yi}.
For those xi<x0, I would like to set yi=0.
I can only think of a very inefficient loop...
thanks
-Luigi-
--
Alexei Boulbitch, Dr., habil.
Senior Scientist
IEE S.A.
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