Working now, thanks Claude!
> To: [email protected] > From: [email protected] > Date: Sun, 17 Apr 2016 12:10:04 +0100 > Subject: Re: [PD] Generate a Gaussian curve > > Hi Liam, > > On 17/04/16 07:52, Liam Goodacre wrote: > > Hi all > > > > This is basically just a maths problem. I'm looking to fill an array with a > > Gaussian curve and be able to control the sigma value (and any other > > relevant variables), but my math skills aren't good enough! I tried this, > > based off of the standard function listed on Wikipedia: > > > > expr $f2 * pow (2.71828, -(($f1-$f3)^2/(2*$f4^2))) > > I think in expr, ^ means bitwise xor instead of power. I'd rewrite it as: > > expr $f2*exp(-($f1-$f3)*($f1-$f3)/(2*$f4*$f4)) > > > > > but there must be a mistake because I'm not getting the right curve. > > > > Can anyone help? > > > > (NB: The point is to find a replacement for the [gauss] external, using the > > nice new [array random] function). > > > > Liam > > > Claude > -- > https://mathr.co.uk > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list
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