# All Questions

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### ITO Process with random initial position

I am trying to define an ITO process with random initial state but its only drawing once an uses it for all paths. Here is the code: ...
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### Coloring (Temperature) surface of parametric 3D plot

I am stuck on figuring out how to do a "Temperature" Color scheme for a surface plotted using ParametricPlot3D. As an example, here is a plot of one example surface. This is a antenna gain plot of ...
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### Use interpolation solutions of a system of differential equation into another differential equation [on hold]

I would like to use the numerical solutions of the following system of differential equations ...
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### How to correctly implement in a new function the scoping behavior of Table, Sum and other commands that use Block to localize iterators?

It is documented that "Block is automatically used to localize values of iterators in iteration constructs such as Do, Sum, and Table." Therefore the dummy index (iterator) in a Sum is shielded ...
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### How to get coordinates from GeometricTransform?

I'm trying to get the exact coordinates of the resulting points from my transform: ...
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### Constructing tensors with arbitrary rank and dimension

How can I create a tensor with arbitrary rank n and m components in each dimension? I am looking for a command in which I insert n and m and it spits out the corresponding tensor with random entries ...
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### Finding the position of a list in a list

I have the following list ...
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### How to merge two plots in Mathematica 8.0 in a column and then save the figure as a single pdf file?

I have defined two plots and then want to merge them into one so that I can save the figure as a pdf file into my computer. Here is MWE where I would like to merge two plots into one: ...
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### Undershoot/Overshoot Method for this differential equation?

I have tried to solve this equation for some weeks and I am not capable. I have read in articles that it is easy with an undershoot/overshoot method, but I don't know how to do it. ...
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### diophantine linear equation with condition on the sum of coefficients

I am trying to solve the following diophantine equation x*a + y*b == c where a,b,c are integers and the absolute value of their sums is, for instance, 4. Then I ...
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### Plotting the complement of a graph without changing the name of the vertices

I have a graph in the form {Dog -> Apple, Apple -> Screwdriver}, I used to plot a graph in the following way: ...
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### Integrate and NIntegrate disagreeing over branch cut of Sqrt?

Bug introduced after v8.0.4 and before v9.0.1, and persisting through v10.4.1. In Mathematica 10.2 I'm trying to integrate this piecewise continuous function, but ...
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### How to force a Range on Fit?

I have 1001 points between {x,-5, 5}. I wanted to fit a polynomial over the data but when i try: Fit[Flatten[data], {0, x, x^2, x^4, x^5, x^6}, x] ... the range ...
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### How to obtain transparent animated gif via Export?

I have the following code to create animated GIFs: ...