Chaos LFO : who to manage 1/X ?

[modlar at gmx.net]

Hi all !

I am just experimenting a little with chaotic lonlinear equantions
in order to buit a "Chaotic LFO". I programmed some equations with
self built analog-computer-circuits, and there are no problems
with :
substraktion, addition, multiplication, integration and 
differentiation.
But I need for some special equations  Y/X !!
I don't have ANY idea how to manage Z=Y/X.
I tried it with 2 log converters for Y and Z and subtraction and 
then exp of the result, but it doesnt work really good.

Is anyone , who knows how to design this better ? Perhaps a chip
like the MC1496 for multiplication ?

This would be VERY VERY helpful !

Thanks, J.S.

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