Re: [sage-support] Re: piecewise

Sat, 01 Dec 2012 09:35:16 -0800

I eventually gave up on piecewise. I do something like this now and works just fine for graphs, 3 different functions with separate plots and show them together.

f1(x) = ...
f2(x) = ...
f3(x) = ...

p1 = plot(f1, (0,a))
p2 = plot(f2, (a,b))
p3 = plot(f3, (b,c))
show (p1+p2+p3)

-d
-----Original Message-----
From: kcrisman
Sent: Nov 30, 2012 10:45 PM
To: [email protected]
Subject: [sage-support] Re: piecewise


Is there something better?  I tried to get piecewise to work, but I
couldn't plot, integrate, etc., the function.

f=piecewise([((1,2), x^2), ((2,3), sin(x))])
plot(f, (x,0,3)) # error, but plot(f) works...
integrate(f, (x,1,3)) # error, but integrate(f) works
diff(f,x) # error, but diff(f) gives a warning and an output

One of the things that would be easier to fix about Piecewise would be to get the syntax to be more in line with the rest of Sage, at least as an option...

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