6
votes
1answer
687 views

CUDALink not working on Linux-64 and Asus GTX460

On my hardware I have a CUDA enabled video card an ASUS GTX460, yet Mathematica does not seem to recognize this. I have: CUDA Toolkit 4.1 CUDA SDK 4.0 NVIDIA Driver 295.49 on Sabayon Linux 64 ...
6
votes
2answers
869 views

Exporting images as .avi

Here's a list of images: images = Table[ExampleData[i], {i, ExampleData["TestImage"]}]; And according to the reference "Export exports a list of graphics, ...
6
votes
2answers
137 views

How do I access the name of a list in a function?

Background: bar := {1, 1, 1}; foo[var_] := {Hold[var], 2 var} SetAttributes[foo, HoldAll] foo[bar] Result, as expected: ...
6
votes
3answers
1k views

How to properly plot a response of a transfer function in Mathematica?

I'm trying to display the output response of a transfer function in Mathematica with and without a compensator. The problem is very strange: while the transfer function compensate is showing well, the ...
6
votes
1answer
496 views

ReplaceAll inside an Iterator

I'd like to apply a set of rules to an expression defining the iterators of the table, like this: ...
6
votes
1answer
292 views

Why does Installing small caps fonts in OS X cause notebook Text cells to use that font?

I installed Adobe Type 1 Times Roman SC (small caps) and Times Roman Bold SC fonts on my Mac OS X system. Now every old or newly-created Text style cell in every ...
6
votes
2answers
525 views

How can I visualize features found in an image?

I am using Mathematica to explore the face detection feature of Core Image on Mac OS X Lion. To do this I have an Objective-C program which captures images from the iSight camera, runs face detection ...
6
votes
1answer
285 views

Getting Integrate to perform numerical integration

I am trying to calculate the mutual impedance of two antennas which is just a big integral. I defined my function in terms of my variable, but when I execute it, Mathematica runs for a while and then ...
6
votes
5answers
4k views

Computing eigenvectors and eigenvalues

I have a (non-sparse) $9 \times 9$ matrix and I wish to obtain its eigenvalues and eigenvectors. Of course, the eigenvalues can be quite a pain as we will probably not be able to find the zeros of its ...
6
votes
1answer
734 views

Efficiency of ParallelDo when a global variable./matrix is being updated

(Disclaimer: I realize that the addition of matrices a and b below can be done very fast just by typing a+b. The code below is just meant to illustrate behavior similar to what I observe in much more ...
6
votes
3answers
746 views

Arithmetic operation on the value returned by Solve

I want to modify the value that is returned by Solve. Example: SolC1 = Solve[Sin[ π x / L] == 1, x] {{x -> L/2}} I need to add n to x so that x becomes ...
6
votes
2answers
1k views

Animating a rotating disk

I have a system with 3 degrees of freedom that I want to know if it is possible to visualise with Mathematica in the two-dimensional $X-Y$ plane. I have a plane ...
6
votes
1answer
376 views

PrintTemporary in ParallelTable

I thought of a possible answer to Monitor doesn't work with ParallelTable but it doesn't work as I hoped it would. This accumulates print cells instead of deleting them as intended. Can it be ...
6
votes
2answers
499 views

Visualizing 3x3 spectrahedra

I'm trying to visualize the SDP cone over 3x3 matrices by plotting random 3d sections of it. Since each region is a system of inequality constraints, I'm using RegionPlot, but I think the plots would ...
5
votes
1answer
122 views

Why does Nintegrate keep unevaluated?

It's no surprise that the "MonteCarlo" Method works well: ...
5
votes
4answers
193 views

DateListPlot: Highs and Lows

I have this data: ...
5
votes
2answers
105 views

SetOptions for CoordinatesToolOptions for DateListPlot?

Bug introduced in 10.0 and persisting through 10.1.0 or later DateListPlot does not respect my Options setting for ...
5
votes
0answers
118 views

Why don't products of Dirac deltas integrate correctly?

The integral $\int \int \ \delta(x) \delta(y) \ dx dy=1$ evaluates to 0 in Mathematica ...
5
votes
1answer
117 views

Does RunProcess work on Chinese Windows?

I am asking for feedback from people running Mathematica 10.0.x or 10.1.0 on Chinese versions of Windows. Does the following command work or does it give $Failed? ...
5
votes
1answer
169 views

Conversion to TeX results in infinite recursion

Bug introduced in 9.0 and persisting through 10.1 or later Confirmed as bug by WRI: [CASE:3059683] I'm trying to export to $\TeX$ a Message cell. For example, ...
5
votes
4answers
221 views

How can I get a list of the positions of the running minima in a list?

I want the positions of the (sequential) running minima in a list, that is, the positions of entries that have the minimum value of all the elements in that list, up to and including that entry. For ...
5
votes
2answers
128 views

Indexed Thread on dataset and list

I currently have a dataset, and I would like to add a column based on another list. For example: ...
5
votes
1answer
93 views

Module does not remove a function definition

The following is a minor variant of the function uniqueTuples as given by Simon Woods in this answer. ...
5
votes
1answer
130 views

Is there a built-in function to do binary search?

Is there a built-in function to do binary search? Say, given a list (sorted) and a number, find the position which keeps the listed sorted when the number is inserted. I know that ...
5
votes
1answer
228 views

VectorPlot3D - vectors starting at points

Normally the vectors in VectorPlot3D ar attached the middle. How to get them attached at the beginning (what is typical conventions in most textbooks) by use of VectorPlot3D ?
5
votes
2answers
116 views

Why does Rule behave like this?

Why does {x, x^2, x^3, a, b} /. x^n_ -> f[n] result in {x, f[2], f[3], a, b} when ...
5
votes
0answers
137 views

Alternatives to FiniteElement as Spatial Discretization Method for NDSolve

Finite Element Programming: [...] It is possible to skip this section and continue with the discretization stage and make use of the initialized data structures ...
5
votes
2answers
193 views

RegionPlot from NDSolve

I am having quite a headache using RegionPlot to see the region of acceptance of certain coupled differential equation. I shall elaborate and try to be as ...
5
votes
1answer
119 views

Solve a differential equation with an integral inside?

I am trying to solve this differential equation in Mathematica: y'[t]+integral from 0 to t of y[x]dx =e^(-t) where y[0]=0. Is this possible?
5
votes
1answer
227 views

Wrong BarLegend with VisibleSpectrum

...
5
votes
2answers
282 views

Mathematica periodic moving map

I am pleased to have MovingMap in Mathematica 10. But, today, I encountered the problem that needs MovingMap with a periodic boundary condition. To be specific, Consider the following example. ...
5
votes
3answers
254 views

The speed of Sum[] varies strangely

I was curious about the difference in speed between Total and Sum. I found out Total was ...
5
votes
3answers
177 views

How to separate factors by dependent variables (arguments)?

How can I separate factors in an expression by their dependent variables? For example: expr = b * c[2] * a[x] * 2 * x^2 * g[x,y] * z[r] * D[q[x], {x, 4}]; I ...
5
votes
2answers
252 views

Plotting two recursive functions

I'm trying to plot two recursive functions (p and θ) on a map. So far I have: ...
5
votes
4answers
193 views

Signed power set of a list

Given {a, b, c, ...} with $n$ elements generate a list with $2^n$ elements. For example, if the list were {a, b, c}, then the ...
5
votes
2answers
268 views

What is the font of these control labels?

What is the font of these control labels? I've gone through every font Mathematica offers (through the format GUI) and don't see a match. Haven't had any luck with default format files either. I'm ...
5
votes
2answers
269 views

Define a rule of derivative in NonCommutativeMultiply?

In tensor calculation, I need to do the following thing: Define a derivative operator Drv[fun,i], such that ...
5
votes
3answers
274 views

Element-wise list operation on list of lists [closed]

Suppose a function F operates on list A: $$A=\{a_1, a_2,\cdots, a_n\}$$ I have a list of lists, B: $$B=\{A_1, A_2,\cdots,A_m\}$$ Is there a syntax to specify that F should operate on members of B, ...
5
votes
3answers
203 views

How can I plot the frequency of list items?

How can I plot the frequency of list items such as?: ...
5
votes
4answers
137 views

Syntax for Table with a pure function

I have: g = #1^2 + a #2^3 / #1 & Now I wish to make a Table evaluating this from 1 ...
5
votes
0answers
328 views

WindowSize error message when saving Graphics object as PNG [duplicate]

When I try to save a Graphics object using the menu File ▶ Save Selection As... or via right click and Save Graphic As... the Messages window pops up with the ...
5
votes
1answer
184 views

Dynamic panel crashes Mathematica 10.0.0.0

This answer by @paw have revealed a bug that causes Mathematica v 10.0.0.0 to crash the GUI and kernel. So far the offending code is this: ...
5
votes
2answers
164 views

How to lookup by a string key after GroupBy? Inconsistent data type handling

This is relates to a bug that was introduced in 10.0.0 and fixed in 10.0.1 It also relates to an issue that has yet to be corrected. After applying GroupBy to ...
5
votes
3answers
153 views

Prevent iterator name from being confused with symbol passed into function body

I have a massive amount of code with lots of Table and Sum inside a Module. Each with their ...
5
votes
4answers
127 views

Passing a variable messages list to Quiet

I'm trying to build a Verbose option into some code but I'm having trouble passing to a Quiet statement a variable list of which messages I want to suppress. My ...
5
votes
1answer
87 views

Is it possible to recover the style of the previous version(V8,V9) in Windows?

In Wolfram Mathematica 10 (Windows paltform),the menu bar and files are combined together.When I narrow the window,it will become ugly shown as below! So my question is: Is it possible ...
5
votes
4answers
199 views

Defining a function with parameters as variables

I have an expression V = (a[1] + a[2])b[1]. How would I define a function of a[1], a[2] and ...
5
votes
2answers
219 views

Mark Minimum Value in DensityPlot

Let's take this example: DensityPlot[Sin[x] Sin[y], {x, -4, 4}, {y, -3, 3}] How do I retrieve the minimum value and position of the minimum of a plot from the ...
5
votes
2answers
128 views

How can I save a Manipulate's control settings to a dataset?

This is probably an extremely simple question. I have a manipulate that sets variables used to define an offset, amplitude, frequency and phase of a trigonometric function. ...
5
votes
1answer
227 views

Setting $RecursionLimit crashes Mathematica 10

I have encountered what I shall presume is a bug: setting $RecursionLimit repeatably crashes the Mathematica 10 kernel: ...

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