Subject: Modelling LED illumination for the poor people.
From: Robert Dodier
Date: Wed, 3 Mar 2010 19:25:53 -0700
On Wed, Mar 3, 2010 at 3:15 PM, Clemens Koller <clemens.ml at gmx.net> wrote:
> f(x):=(0.6*cos(atan((x-a)/h))+0.4)*1/((x-a)^2+h^2);
hmm, maybe you want f(x, a) := (same stuff) ?
> But how can I get the superimposition of all LEDs with that
> gap g (i.e. g:6)?
> I think about summing up all f(x,a).
how about:
plot2d (sum (f (x, u[i]), i, 1, n), [x, -100, 100]);
where u : makelist(x0 + (i - 1)*g, i, 1, 10) or something like that.
Hope this helps,
Robert Dodier