Re: [ng-spice] u2 function
Please,
could anyone put me out from this e-mail list?
Thanks.
Paolo Nenzi wrote:
>
> On Tue, 2 May 2000, widlok wrote:
>
> > My u2 is much simpler, because it was very difficult to get time
>there.
> > u2(x) returns 0 if x<0, 1 if x>1 and x if 0<x<1. This works really good
>in my
> > model.
> Oops, I have understood that your model was different from IF-THEN-ELSE
> condition. Your function is a class C0 function, continuous but with first
> and subsequent derivatives not continuos, this may cause convergence
> problems.
>
> Another point, do you believe that this function is a step for your
> circuit ? Some fast circuit may see it as a ramp, am I right or I am only
> a sophisticated theorethical EE student ?
>
> Paolo
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Partial thread listing:
- Re: [ng-spice] u2 function, (continued)
- widlok
[URGENT][IMPORTANT] NG-SPICE CVS CHANGE,
Paolo Nenzi