Size: 629
Comment:
|
Size: 1757
Comment: This fix is better than my previous one. Sorry to kludge up the code this morning.
|
Deletions are marked like this. | Additions are marked like this. |
Line 3: | Line 3: |
Post code that demonstrates the use of the interact command in Sage here. It should be easy for people to just scroll through and paste examples out of here into their own sage notebooks. | This is a collection of pages demonstrating the use of the interact command in Sage. It should be easy to just scroll through and copy/paste examples into sage notebooks. If you have suggestions on how to improve interact, add them [[interactSuggestions|here]] or email [email protected] . Of course, your own examples are also welcome! |
Line 5: | Line 5: |
We'll likely restructure and reorganize this once we have some nontrivial content and get a sense of how it is laid out. | * [[interact/graph_theory|Graph Theory]] * [[interact/fractal|Fractals]] * [[interact/calculus|Calculus]] * [[interact/diffeq|Differential Equations]] * [[interact/dynsys|Dynamical Systems]] * [[interact/linear_algebra|Linear Algebra]] * [[interact/algebra|Algebra]] * [[interact/number_theory|Number Theory]] * [[interact/web|Web Applications]] * [[interact/bio|Bioinformatics]] * [[interact/geometry|Geometry]] * [[interact/graphics|Drawing Graphics]] * [[interact/games|Games and Diversions]] * [[interact/misc|Miscellaneous]] |
Line 7: | Line 20: |
== Graphics == | == Explanatory example: Taylor Series == |
Line 9: | Line 22: |
== Calculus == | This is the code and a mockup animation of the interact command. It defines a slider, seen on top, that can be dragged. Once dragged, it changes the value of the variable "order" and the whole block of code gets evaluated. This principle can be seen in various examples presented on the pages above! |
Line 11: | Line 24: |
== Number Theory == {{{ html('<h1>Cuspidal Subgroups of Modular Jacobians J0(N)</h1>') |
{{{#!python numbers=none var('x') x0 = 0 f = sin(x)*e^(-x) p = plot(f,-1,5, thickness=2) dot = point((x0,f(x=x0)),pointsize=80,rgbcolor=(1,0,0)) |
Line 16: | Line 31: |
def _(N=selector([1..8*13], ncols=8, width=10, default=10)): A = J0(N) print A.cuspidal_subgroup() |
def _(order=(1..12)): ft = f.taylor(x,x0,order) pt = plot(ft,-1, 5, color='green', thickness=2) html('$f(x)\;=\;%s$'%latex(f)) html('$\hat{f}(x;%s)\;=\;%s+\mathcal{O}(x^{%s})$'%(x0,latex(ft),order+1)) show(dot + p + pt, ymin = -.5, ymax = 1) |
Line 20: | Line 38: |
attachment:cuspgroup.png |
{{attachment:taylor_series_animated.gif}} |
Sage Interactions
This is a collection of pages demonstrating the use of the interact command in Sage. It should be easy to just scroll through and copy/paste examples into sage notebooks. If you have suggestions on how to improve interact, add them here or email [email protected] . Of course, your own examples are also welcome!
Explanatory example: Taylor Series
This is the code and a mockup animation of the interact command. It defines a slider, seen on top, that can be dragged. Once dragged, it changes the value of the variable "order" and the whole block of code gets evaluated. This principle can be seen in various examples presented on the pages above!
var('x')
x0 = 0
f = sin(x)*e^(-x)
p = plot(f,-1,5, thickness=2)
dot = point((x0,f(x=x0)),pointsize=80,rgbcolor=(1,0,0))
@interact
def _(order=(1..12)):
ft = f.taylor(x,x0,order)
pt = plot(ft,-1, 5, color='green', thickness=2)
html('$f(x)\;=\;%s$'%latex(f))
html('$\hat{f}(x;%s)\;=\;%s+\mathcal{O}(x^{%s})$'%(x0,latex(ft),order+1))
show(dot + p + pt, ymin = -.5, ymax = 1)