Tagged Questions
2
votes
0answers
142 views
why version 9 is much slower than version 8 in producing these graphics
Consider this example(taken from Thomas's question here)
...
4
votes
2answers
122 views
Speed up plot of $\sum_{j\ge1} 2^{-j}(1-2^{-j})^{n-1}$
I'm a beginner at Mathematica. I would like to plot the following function:
$${n\over2} \sum_{j\ge1} 2^{-j}(1-2^{-j})^{n-1}$$
However the following code is just too slow:
...
25
votes
3answers
938 views
xkcdConvert routines perform slower in Mathematica 9
I am experiencing some rather large performance decreases in Mathematica version 9.0 using the xkcd-styled plotting routines.
I had used the xkcdConvert code ...
12
votes
1answer
226 views
Using Evaluate and Evaluated -> True in Plot
A few use cases:
(1) This, as expected, returns (almost) immediately:
f[x_?NumericQ] := Evaluate[(Pause[1]; x)]
Plot[f[x], {x, 0, 1}]
(2) This takes ...
4
votes
2answers
97 views
Factor out invariant code from Plot
Given a simple Gaussian kernel
UnscaledKernel[a_, b_, sigma_] :=
Exp[-(((a - b)/sigma).((a - b)/sigma))/2]
and un-normalized smoothing function
...
3
votes
2answers
367 views
9
votes
3answers
459 views
PolarPlot render oddities
I apologize if this is a obvious question and answer, I don't often use Mathematica to display plots or graphics in general to be honest. So, I was tutoring my cousin yesterday in relation to Polar ...
8
votes
4answers
220 views
Plotting the components of a function that returns a list in different colors without redundant evaluations of the function
I have a function f which takes a number as input, and returns a list of numbers (the length of the list is constant). f is hard ...
27
votes
4answers
1k views
Is it possible to speed up ContourPlot on multi-core machines?
It is not very difficult to face a function for which ContourPlot works too slow. And it seems natural that this function can be parallelized well. Anyway, naive ...
