# All Questions

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### Part::pspec error occured

I wanted to simulate a noise model on CCD sensors, so I did as below: ...
103 views

### How to define action of derivative (D) on a user-defined operator f

I have a symbolic function (which is in fact an operator) f[expr, x] where the second argument is a local variable for f (kind ...
57 views

### Disobedient RegionPlot3D

I faced a strange behavior of a RegionPlot3D. I am drawing a piece of a plane bounded by a parabola. This works: ...
87 views

### Data Fitting problem

I'm having this kind of data, and I know what possibly the equation is, i suspect this has a sine equation but the plot not really seems sinusoid. so what possibly the equation is so i can do the ...
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### Symbolic series

Mathematica realises, of course, how to deal with symbolic series: Sum[g[x]^k, {k, 0, ∞}] (*Out: 1/(1 - g[x]) *) I.e. it does not worry about values of ...
59 views

### Are the following implemented: Differentiable, Continuous, Interior Point? [closed]

FunctionDomain is a great Mathematica function. It tells you the natural domain of an expression. Has anyone (or is anyone) working on a similar thing for checking ...
64 views

### Adding lines and labels at custom positions in BarLegend

Currently my BarLegend looks like: BarLegend[{(ColorData["Rainbow"][Rescale[#, {0, .125}]] &) , {0, .11} }] I would like to add white (maybe dotted) lines ...
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### StreamDensityPlot plots arrows of different length

I am plotting a vector field with StreamDensityPlot. I know it's symmetric about the $x$ and $y$ axes because of the equation, but also because if I plot it with VectorDensityPlot, it shows the ...
78 views

### ListPolarPlot goes crazy when PolarAxes->True

Bug introduced in 9.0 and fixed in 9.0.1 I think I am experiencing the same/similar problems as this user. Mathematica Version: 9.0 for Mac OS X x86 (64-bit) (November 20, 2012) Computer: Mac OS ...
58 views

### Consecutive generation of subsets

It is well known that the array of subsets of even small set is very big. This leads to problems with machine memory. Is there an effective way to generate subsets sequentially?
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### ListPlot[Transpose[{xx,yy}]] returns blank plot [duplicate]

This is complete mystery for me, but I am unable to plot the following data... I have two lists, that I want to ListPlot. The data is created in the following way (I edited the code for more clarity): ...
46 views

### I have a problem with particle in the box [closed]

I have a problem while generating particle in the box from this equation Plot[Sqrt[2/L] Sin[n Pi x/L], {x, -L/2, L/2}] because Mathematica might confuse about ...
57 views