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Is it possible to construct a branched function (a cubic spline in this case) from a list:
Given a list of lists:
{ {u1,l1,a1,b1,c1,d1}, {u2,l2,a2,b2,c2,d2}, ........} describing a cubic spline
it should yield
If(u1<=x<=l1, a1+b1*x+c1*x^2+d1*x^3, u2<=x<=l1, a2 + b2*x+c2*x^2+d2*x^3, .....)
Can this task be performed with Geogebra-Script - so that I can construct a custom-tool or is there no way around to use Javascript (no custom tool possible)
The same question 
do you mean h(x) from M?
try the custom tool if you need
comment: f(x) can be enough good for you
do you mean h(x) from M?
try the custom tool if you need
comment: f(x) can be enough good for you
@mathmagic
Thank you for your answer - seems perfect!
I believe I can use this for my project! Thanx again and
"carpe diem"
Can be tagged as answered - foro.ggb is exact what I needed!
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