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0
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0answers
53 views

No solution with DSOLVE

I have been trying to solve the following system of ODEs: \begin{eqnarray} ...
1
vote
1answer
70 views

How to checkpoint computations?

Suppose I do some big experiment, presumably in a Table[], or a ParallelTable[]. Experience shows that there is a non-zero ...
5
votes
1answer
431 views

CUDALink is not initialized

I've upgraded to Mathematica 9.0 on Ubuntu 12.04 with the latest Nvidia driver (304.64). I load CUDA by using, as usual, Needs["CUDALink`"]. ...
0
votes
0answers
36 views

Mathematica on Linux Gentoo [on hold]

I'm not sure if this is the right place where to put this question. Sorry if it isn't. Is there anyone having experience with Mathematica and Linux Gentoo? I have a friend trying to install ...
-1
votes
0answers
63 views

Solving system of 9 differential equations with Im & Re parts

I tried to solve a system of nine differential equations. Actually, I tried to do it in two ways, and both of them give me the same error: NDSolve::pdord: Some of the functions have zero ...
27
votes
2answers
1k views

How can I use the Klingon alphabet symbols?

Note: This functionality is presently missing. See: How to add named characters to Mathematica 10? Mathematica apparently supports the Klingon alphabet: ...
11
votes
2answers
211 views

Why doesn't a Composition[] hold its arguments and what can be done about it?

Now that Composition (also RightComposition) has shorthand syntax I am more inclined to use it, however what I feel should be ...
0
votes
1answer
67 views

Unable to configure a system of differential equations

My differential equations have been written as ...
0
votes
1answer
119 views

Solving a system of two equations of third degree

I am trying to solve the following system of two equations for x and y. The solutions for x and y have to be positive and the parameters s and c are positive (to have a coherent interpretation of my ...
66
votes
2answers
749 views

Why are numeric division and subtraction not handled better in Mathematica?

There is something that has been troubling me for a while. At least in version 7, the performance of a / b and a - b is not ...
0
votes
0answers
183 views

app keeps minimizing when switching in windows 8

so I run mathematica on my surface pro with windows 8 pro, when I opened a notebook in it and switched to my browser and some other apps it's sometimes impossible to go back to my notebook, it ...
9
votes
0answers
222 views

How is the mysterious Raw function used?

I have never seen an example use for the mysterious Raw function: Raw[h, "hexstring"] constructs a raw data object with head h, and with contents ...
7
votes
1answer
158 views

Raise systemwide keypress event

Is there a way to raise system-wide "keypress" events programmatically from within Mathematica? Say "Ctrl+C" or "Ctrl+V", which all other programs can recognize? This is an attempt to gain simple ...
7
votes
2answers
168 views

Giving JLink Huge Memory by Default

I have noticed that Mathematica makes use of Java by way of JLink, for example, in the extensions such as DatabaseLink and (I think) RLink. It also seems like Java is a first-class citizen for writing ...
2
votes
1answer
121 views

Detect Standalone CDF vs Browser Plugin environment [duplicate]

Recently, Wolfram informed me that there's no way to have a Print button in a CDF running within a plugin environment since the plugin does not interact with the operating system. If you have a way to ...
16
votes
0answers
656 views

How would I improve this Karaoke machine code?

I was looking at a large collection of Import/Export user suggestions the other day and it dawned on me that we finally have MIDI import in Mathematica 9, which is rather interesting since MIDI ...
0
votes
1answer
373 views
17
votes
1answer
639 views

How can I set a keyboard shortcut to run a command?

I want to use this to add a keyboard shortcut to an undo function I wrote. The basic problem is the following: I have a command, let's say x=1, and I want to run ...
7
votes
2answers
221 views

Clean up list of partial outputs for memory

Context I run long Mathematica sessions; sometimes I have Output up to Out[3000+]. Hence I would like to be able to clear out some previous outputs which do use lots of memory. Attempt I am aware ...
7
votes
1answer
121 views

Importing parts of Packages

Some programming languages offer the possibility of importing a single function from a library, as in from x import y I'm looking to import only one function ...
3
votes
1answer
1k views

Is there a system Reset? [duplicate]

Possible Duplicate: How do I clear all user defined symbols? The normal way I reset the Mathematica kernel to its initial state is through the notebook interface: ...
10
votes
4answers
468 views

Which Mathematica files may be deleted to save space

After installation Mathematica 8 for Linux takes more than 3GB in the /usr/local/Wolfram/ directory. I suspect that not all of it is relevant if I want to do some occasional computations. Are there ...
22
votes
2answers
1k views

What is a “Paclet”?

I often see references to "paclets", for example the PacletManager` context, the PacletInfo.m file in some packages and next to ...