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20
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0answers
782 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 ...
10
votes
0answers
267 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 ...
5
votes
0answers
78 views

Can Mathematica poll the dimensions of the individual monitors of its host computer?

The command SystemInformation["Devices", "ScreenInformation"] returns the screen area in the monitors connected to its host computer: ...
2
votes
0answers
37 views

Where can I find detailed information about the SystemOptions?

I'm looking to optimize my Mathematica script, and I'm willing to go spelunking with low-level system options. The problem is that I've been looking in the Mathematica documentation, but there ...
1
vote
0answers
84 views

SystemException[MemoryAllocationFailure] with Memoized function

Version 10.1 Win7x64 Enterprise. This is more of a report than a question but others may have seen the same / have insights. I have some code (that I can't really post as it's too big) with a large ...
0
votes
0answers
46 views

Setting UserBaseDirectory for custom packages

Is there any reason to set UserBaseDirectory to be anything other than the default? On my mac its set as ~/Library/Mathematica. It's been suggested that I should change this, and then add my own ...
0
votes
0answers
60 views

Solving a big System of ODEs

I want to solve numerically a linear first-order ODE system with over 12000 equations. I used NDSolve with implicit options: ...
0
votes
0answers
55 views

Any way of solving this system of nonlinear equations with non integer powers?

I have a system of four nonlinear equations. Some of the exponents are fractions. I was wondering if this is what is causing NSolve to run for hours without giving ...
0
votes
0answers
87 views

No solution with DSOLVE

I have been trying to solve the following system of ODEs: \begin{eqnarray} ...