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52
votes
2answers
4k views

What is so special about Prime?

When we try to evaluate Prime on big numbers (e.g. 10^13) we encounter the following issue: ...
16
votes
2answers
397 views

What determines the value of $MaxNumber?

What determines the value of $MaxNumber? $MaxNumber 1.233433712981650*10^323228458 ...
13
votes
3answers
442 views

ToExpression fails with long nested string expressions

Consider the following conversion from String to Mathematica Expression: ...
7
votes
0answers
103 views

Color Snapping When Using VertexColors with a Tube with BSplineCurve as an Argument

I think I've identified a bug in how VertexColors are treated when rendering a Tube object where the underlying data is a ...
7
votes
0answers
270 views

Does a running evaluation continue after the PC wakes from sleep mode?

Are there any issues with running a process on Mathematica, putting the computer to sleep, and then waking the computer sometime later? It seems to work just fine on my test process (appending data ...
6
votes
1answer
533 views

Largest matrix size supported by Mathematica 10

I have need to store large square matrices in memory, some times sparse, some times not. I have used up to $2^{15}$ by $2^{15}$ as my upper bound so far, and Mathematica has handled it even if it took ...
6
votes
1answer
181 views

Why is there a limit of 15 different instruments to be played simultaneously, with Sound / SoundNote?

It seems to be impossible to play more than 15 different instruments simultaneously with the Sound[{Soundnote[...],...}] construct. Any guesses why it is so? With ...
4
votes
0answers
302 views

Why does OS X need permission to allow JLink connections each time it starts?

I understand that JLink loads each time Mathematica launches or each time a kernel starts, and that this can require permission from the firewall, if it is enabled but OS X provides settings the ...
3
votes
2answers
285 views

Regular expression too large problem

pattern = Names["*"]; StringMatchQ["Bold", pattern[[1 ;; -1 ;; 2]]] (* True *) StringMatchQ["Bold", pattern] Error Information: RegularExpression::msg20:...
2
votes
2answers
131 views

Nesting BaseForm several functions deep causes dependent functions to not fully evaluate. Solutions?

Below is a simplified scenario of a problem that I'm running into. There are 3 functions each wrapped with BaseForm[] and a default base of 10 is passed to each ...
1
vote
3answers
276 views

The biggest exponent that can be computed

I am struggling with my crypt assignments and constantly getting overflow errors. Below is a simplified version of the problems I am experiencing ...
0
votes
1answer
113 views

Calculate integral in limit of very large coefficient

How I can calculate following integrals for large values $\alpha$ in Mathematica: $$ I_1 =\int_{0}^{y} \exp\left(\, -\alpha \sqrt{x(1-x)}\,\right)\, {\rm d}x $$ $$ I_2 =\int_{0}^{y} \exp\left(\, -\...
0
votes
1answer
43 views

Is there a limit for DensityHistogram data amount?

I'm trying Mathematica for first time and while trying to do a Density Histogram with around 300 000 points, I get an error "THE INPUTED DATA is not a valid dataset or list of datasets." Maybe it's ...
0
votes
0answers
150 views

What is the largest system of PDE you have solved with Mathematica? [closed]

I need to solve a system of partial differential equations. In the simplest case it consists of 2000 of PDE equations. In the most complex situation it consists up to 1 million of such equations. ...