For questions specific to Version 8 of Mathematica.
4
votes
1answer
170 views
A Graphics`Mesh`ConvexHull[] peculiarity
I have been unable to explain the behavior of Graphics`Mesh`ConvexHull[] on the following (highly simplified) example:
...
21
votes
0answers
385 views
What calendar is Mathematica using for dates in the distant past?
It appears that Mathematica treats all dates as proleptic Gregorian dates by default, a hypothesis that can be easily tested by using AbsoluteTime to compute the ...
8
votes
0answers
490 views
Download Mathematica 8 Trial
My school uses mathematica 8 on several of their computers.
I would like to download a trail version for my home computer.
I would like the same version. Is there a place I can download mathematica ...
6
votes
0answers
111 views
Break[] inside ColorFunction
f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x)
Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)]
Break::nofwd: No enclosing For, While, or Do found ...
5
votes
0answers
81 views
Expansion of $E(i c \mid m)$ at $c\to\infty$?
Currently, I am using a Windows machine with Mathematica 8. I noticed a difference in a series expansion of the function EllipticE[] in comparison with a result ...
4
votes
0answers
110 views
Version 8.0 integrates but Version 9.0.1 doesn't
I am trying to run the following integral in version 9.0, but it fails:
...
4
votes
0answers
155 views
NullSpace[_, Method->“OneStepRowReduction”] is sometimes wrong; how can I work out when this happens?
(This is on MMA 7.0.1.0 on OS X)
I've just found a large matrix m for which NullSpace[m] and ...
3
votes
0answers
76 views
An recurrence equation that can be solved in version 7 but not in version 8
A friend of mine showed me this code sample:
RSolve[{a[n] == a[n - 5] + 1, Sequence @@ Table[a[i] == 1, {i, 5}]}, a[n], n] // Timing
It's solved by version 7 in ...
2
votes
0answers
89 views
Derivatives of list elements
Could someone explain the odd behavior of the Derivative function when drawing arguments from lists? We have,
...
2
votes
0answers
125 views
Can not launch Mathematica 8 on Lubuntu
I am trying to launch Wolfram Mathematica 8 Home Edition. The installation itself occurred without a hitch.
Note: "..." indicates my machine name, username, etc.
Linux Version
...$ uname -a
Linux ...
2
votes
0answers
179 views
mathematica startup time
I have Mathematica 7 and 8 installed on my laptop.
Mathematica 7 starts quite fast, but Mathematica 8 is extremely slow to start.
In the Option Inspector I canceled the "welcome screen" option at ...
2
votes
0answers
183 views
Front-end glitch when interacting with dynamic content
This is now bugging me too much to ignore it anymore. When I interact with a notebook that has dynamic content, for example moving a slider, Mathematica regularly brings other open notebook windows to ...
