
Re: Question about Manipulate
Posted:
Nov 10, 2011 6:07 AM


You did not define the function properly.
Try this: f[a_, x_, b_] := Sin[a x + b]
You will also need to format Manipulate differently: Manipulate[Plot[f[a, x, b], {x, 0, 6}], {a, 1, 4}, {b, 0, 10}]
Jason Ebaugh
ebaughjason@gmail.com www.linkedin.com/in/jasonebaugh
On Nov 9, 5:37 am, "mail...@gmail.com" <mail...@gmail.com> wrote: > I tried the following code in Mathematica 8.0 > > Clear["Global`*"] > f = Sin[a x + b] > Manipulate[Plot[f, {x, 0, 4 \[Pi]}], {a, 0.5, 2}, {b, 0, 2 \[Pi]}] > > The Manipulate block is showed, but the Sin function is not plotted. > > When I replace f in the third line with its definition, > > Clear["Global`*"] > Manipulate[ Plot[Sin[a x + b], {x, 0, 4 \[Pi]}], {a, 0.5, 2}, {b, 0, 2 > \[Pi]}] > > The Sin function is plotted. > > Is this a bug or a limitation in Mathematica?

