Re: Help Plotting Symbolic Vector Fields with Substitutions

[Colin Macdonald]

On 22/04/17 01:39 PM, WARDEVIL_UFO wrote:
> I went ahead and posted the code with your mods on the Octave Symbolic page.
> Would you mind taking a look, and tell me what you think? 

I proofread it a bit and made some minor edits.  Thanks for this.
> One little (potential) hiccup remains.  If a symbolic function had an actual
> floating point valued coefficient or exponent, would using rat() for
> heuristics be acceptable in that case, or is there some other preferred way?
> For instance, if  I modify  my iComponent to be sin(pi .*y ./2.01) that
> triggers rats() warning.

sin (pi * y * sym(201)/100)

I recommend never put floating point numbers into symbolic expressions.

Colin