# All Questions

44 views

### Inconsistent font rendering when using a remote kernel on a different OS

I have a Mathematica 10.0 on Linux and one on OSX. I'm using the OSX as a remote kernel. During parallel computation, if I render some graphics, the fonts and axes are not rendered the same way ...
97 views

### How do I solve this ODE numerically in Mathematica?

I want to solve these equations numerically in Mathematica and plot them. $$u'(t)=1.5\,u(t)\,v(t)-u(t) \space \space \space \text{and} \space \space u(0)=0.001$$ \begin{...
367 views

### Alternative to Subsets to generate k-combinations

I need to generare a huge number of k-combinations for a quite big set of numbers (more than 100), so I would avoid Subsets because it requires too much memory (it generates all subsets at once). I ...
220 views

### How do I add my own help pages to the in-built Wolfram documentation?

How do I add my own help pages to the in-built Wolfram documentation ?
114 views

### ListPlot with checkboxes [duplicate]

I have imported data for several projects {prj1, prj2, ...} from an excel file, in form of {x,y} coordinates of points. I stored these data in variables and I would like to plot them, also having the ...
324 views

### How to combine Date and Time objects into DateTime object?

Considering a DateObject d and TimeObject t: ...
233 views

### Slider with initial value on manipulate [duplicate]

Consider this simple code Manipulate[n, {{n, 3}, 1, 5, 1}] It will produce If we click on Show-Animation-Controls button next to the slider, suddenly the ...
96 views

### Floating highlighting bug [duplicate]

Bug introduced in 10.0 and not fixed up to 10.2 At some random point in time the highlighting does not disappear any more. By highlighting I mean transparent boxes appearing for find feature ...
245 views

### DFT: why are frequencies mirrored around the frequency axis?

I want to apply Mathematica's DFT procedure, Fourier[], to a Gaussian. Why a Gaussian? Because I know the analytical result. So I define ...
142 views

### How can I use sequence in plotting domain?

I would like to plot a function but have a domain defined elsewhere as follows: xrange = Sequence[0, 2π]; Plot[Sin[x], {x, xrange}] However, this doesn't work ...
445 views

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1k views

### I need F(x,y) = xy (not x*y) e.g. x= 1, y =2 so F(x,y) = 12 [closed]

I just need F(x,y) that give me e.g. x= 1, y =2 so F(x,y) = 12 Is that possible. I tried Google but not able to find a ...
84 views

### Solving differential equation but keeping showing running

I am trying to solve this differential equation, see the command below. But the cell keeps showing that it is running without giving any answer for a very long time. Eventually I had to abort it. Does ...
105 views

### How do I display graphics in the Wolfram Language kernel? [duplicate]

I'm unable to view graphics output when working directly with the kernel from a terminal window. How do I display graphics when working that way?
47 views

### Part of longer code has an error - how can I debug?

Please can someone help me locate the problem? ...
284 views

### Efficient algorithm to generate a basis for exact diagonalization

The problem is described as follows: I need to generate a basis(matrix) in lexicographic order. For two different basis vector $\{n_1,n_2,\cdots,n_M\}$ and $\{t_1,t_2,\cdots,t_M\}$, there must exist ...
128 views

### Can't get a plot from piecewise parametric function [closed]

I can't seem get a 3D plot from r[t]. Any suggestions? ...
98 views

### Change Tensor Product symbol for aesthetically pleasing output

I'm trying to find a way of keeping an ordered list of subscripted integers which can be outputted in an aesthetically pleasing way to make analysis easier. The idea is to have a list of numbers that ...
218 views

### Speed and the MapThread function

Can anyone help explain why MapThread is so slow in this simple case? ...
221 views

### Trouble with polynomial multiplication

Bug introduced in 10.1.0 and fixed in 10.4.0 ...
282 views

### Use different markers/colors in logarithmic plot depending on sign

Suppose you have the dataset xData = Table[i, {i, 1, 30}]; yData = RandomReal[{0.995, 1.005}, 30]; and want to plot the difference of ...
46 views

### How to make a button that allow me to control a Manipulate module? [duplicate]

I'm trying to use button that allow me to control a manipulate module. Here's what I did now, it's really simple: ...