# All Questions

71 views

### Are there some other ways to solve a second PDE except DSolve?

I have a partial differential equation as follows: $$\frac{\partial p(x,t)}{\partial t}=\text{Dp} \frac{\partial ^2p(x,t)}{\partial x^2}-\frac{p(x,t)-\text{p0}}{\tau }$$ What I try to do was to get ...
218 views

### Visualising Special Relativity

Mathematica newbie learning by doing (or not so far, in this case). Problem: Special Relativity - consider two inertial frames $A$ & $A'$ in relative motion. At a time $t0$ as measured in $S$, ...
91 views

### Using Graph to cull correlated lists

I have a set of lists that represent molecular descriptors. I need to identify which descriptors are highly correlated and eliminate the correlated pairs. I can represent the connectivity by ...
105 views

### Using NVIDIA 3D Shutter Glasses with Mathematica

Mathematica has great capabilities to display 3D Graphics rendered to the 2D screen. This should make it perfectly suited to use the Graphics3D system together with an NVIDIA Graphics card, a 3D ...
44 views

### Autocomplete from inside Module and SetDelayed

Autocomplete in Mathematica 9 offers suggestions from inside SetDelayed and Module. For example, after running: ...
65 views

### Assign a value to a variable without using Set or SetDelayed?

I supose probably yes, but at the end I assume that internally mathematica has to use Set or SetDelayed. Am I right? Background: I am developing a super simple phraser that takes a code description ...
172 views

I'm trying to register (align) two circular grayscale images using a boolean mask to prevent them simply being aligned on the fixed circular border. There are also small fixed circular regions in the ...
81 views

### Young Tableaux Miscellanea

I have a problem which is mostly neatly described by using Young Tableaux. Mathematica seems to have these Tableaux built in, except that the Tableaux function is ...
77 views

### Internal Shooting Method of NDSolve in combination with NDSolveReinitialize?

To explain my problem, I am trying to extend the BVP problem example from the help that illustrates how to use the shooting method of NDSolve: ...
168 views

### Remote kernel shuts down after several seconds

I have Mathematica 9 installed on two Windows Server 2008 R2 machines. Now i want to try using one of them as a frontend with local kernels and the other one for remote kernels. OpenSSH 6.5 for ...
68 views

### Problem with files size

I need to work with long time series, but I notice that this generates huge files that Mathematica doesn't handle well at all: even opening/saving one of this files is difficult, and the kernel quits ...
35 views

### Am I using the cell option setting PageBreakWithinGroup->False correctly?

I had expected that this option would prevent a page break occurring within a group of cells of which this cell is the "group leader". In my case it is a "Subsubsection" containing a group of ...
91 views

### How do I toggle between the program snippet form of a displayformula and the human readable form of the equation?

I have a DisplayFormulaNumbered cell in my Mathematica notebook. If I use the Cell | Convert To menu item to convert the cell to Standard or Traditional Form, the formula is now rendered as a program ...
51 views

### Autoupdate Section Numbers? - Technical Document Authoring with Mathematica

Technical document authoring systems are structured ways to create, manage, and update documentation for various mediums such as print, pdf, web, etc. Take a look at this technical document ported to ...
114 views

### Global vs local adaptive integration: lattice propagator

I was doing the first exercise in the paper Lattice QCD for Novices. This is the expected result: With the default "GlobalAdaptive" method for NIntegrate it threw errors saying that the error had ...
47 views

### Profiler calls function without providing true arguments

I found Profile[] in the Mathematica workbench does not run on my function. To investigate, I provided a simple function, ...
137 views

### 4 circular arcs, how plot the minimal surface?

By using Sjoerd de Vries code for circular arcs: ...
141 views

### Mouse cursor disappears

After working on a notebook for a while sometimes my mouse cursor disappears. I can click on different cells and the text cursor will move accordingly but I just can't see the mouse cursor. Just now ...
105 views

### Calling Mathematica from Lazarus/Freepascal

I will appreciate if anyone can give me an hint about freepascal and mathematica mathlink communication. I'd like to build a Form using Lazarus/freepascal that call mathkernel. I'm trying to move ...
73 views

### Limit[Sum[(2*E*n)^w/(w^(n/2+w)), {w,2,n}],n->Infinity]

I would like to show that the following (and other similar formulae) tends to zero. Limit[Sum[(2*E*n)^w/(w^(n/2+w)), {w,2,n}],n->Infinity] What's the right ...
87 views

### Slow integration of interpolating function

I have a large file with irregularly spaced data in the format: ...
70 views

### CDF Infokit question

In the CDF Infokit, one finds the BriggsCochraneCalculus.cdf document, which shows a textbook on calculus. I've got two questions about how it was made: How has ...
74 views

### Different delays in notebook and command-line?

I was surprised by the following sequence of expressions: Remove[foo$, bar$]; foo$= Function[Set[bar$, 42]]; At this point, I expected ...
32 views

### The value of PageWidth doesn't work for saving as HTML?

CellPrint@Cell["Test","Text",PageWidth->300,Background->Red] And I got this snippet of HTML code： ...
54 views

### Understanding NDSolve::ndsz

I'm working on a largeish system of differential equations where I encounter the NDSolve::ndsz step size is effectively zero; singularity or stiff system suspected ...
99 views

### Tooltip in Listplot - Export to PDF

I would like to export a listplot as a PDF document without loosing the tooltip information on the single points. It kind of works with hyperlinks. Nevertheless this workaround is pretty limited and ...