Tim Hochberg wrote: > Another little tidbit: this is not as general as where, and could > probably be considered a little too clever to be clear, but: > > b = 1 / (a + (a==0.0)) > > is faster than using where in this particular case and sidesteps the > divide by zero issue altogether.
A less clever approach that does much the same thing: b = 1.0 / where(a==0, 1.0, a) -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion