Hi all!
Help please, I can not understand what is wrong with this:
f(x)=x;
def g(x):
if (x>=0):
return f(x)
else:
return f(-x);
show(plot(g(x),(x,-1,1))) #form1
show(plot(g,-1,1)) #form2
same thing:
https://www.sagenb.org/home/pub/1770/
the two graphics must be same, because it is the same functions.
so, why form 2 gives wrong result?
P.S. I do not want to plot abs(x) function, that is only for example.
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