> > The following should do steps 1, 2,3 the rest by hand.
>
> You can use "optimize" for the rest:
>
> optimize ( c*(f*(i+h+g)+e*(i+h+g)+d*(i+h+g))+b*(f*(i+h+g)+
> e*(i+h+g)+d*(i+h+g))+a*(f*(i+h+g)+e*(i+h+g)+d*(i+h+g)) ) =>
>
> block([%1,%2],
> %1:i+h+g,
> %2:f*%1+e*%1+d*%1,
> c*%2+b*%2+a*%2)
>
> Note that optimize does *not* find subexpressions like a+b in a+b+c.
Obviously I'm a bit stubborn, but in my mind optimized should give:
block([%1,%2],
%1:i+h+g,
%2:%1*(f+e+d),
%2*(c+b+a)
I know, it's all very well to say that but it's surely hard to code it.
Thank you very much for your help!
Gerhard
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