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Re: Approximate Zero Times A Symbol
Posted:
Jun 29, 2012 4:48 AM


To make these 0. vanish I use:
IntNull[expr_] := ((expr //. Complex[x_, 0.] > x) //. {0. > 0})
"djmpark" wrote:
> What is the justification for the following? > > > > 0. x + 1. y > > > > 0. + 1. y > > > > I want to display a dynamic weighted sum of x and y and sometimes one of the > coefficients becomes zero. I would like to keep both terms (for a steady > display) and format with NumberForm. If Mathematica is going to drop the x, > why doesn't it at least also drop the approximate zero? > > > > If I use SetPrecision we obtain: > > > > SetPrecision[0. x + 1. y, 10] > > > > 1.000000000 y > > > > which is at least more consistent, but not what I want either. > > > > David Park > > djmpark@comcast.net > > http://home.comcast.net/~djmpark/index.html >
 _________________________________________________________________ Peter Breitfeld  Bad Saulgau, Germany  http://www.pBreitfeld.de



