All Questions

2answers
337 views

2answers
739 views

Place plot markers in front of error bars with ErrorListPlot

I'm making an ErrorListPlot where the error bars are a different color then the markers and it works, however, the error bars are drawn in front of the markers and ...
0answers
166 views

Making simultaneous equation solving more efficient

I am trying to solve a system of several simultaneous equations that have been generated by a series of modules and functions, using this module: ...
0answers
30 views

Applying Some Kind of Timing Function to AutoRunSequence [duplicate]

Ok, so I'm exporting a video to MOV format that is coming from a manipulate function (I'm demonstrating CLT to a class that doesn't have calculus as a pre-req, if anyone is curious). Anyhow, I'm ...
0answers
45 views

List elements and iterator name collision [duplicate]

Let there be two lists, exp = {{i, i}, {j, j}}; exp2 = {{r, r}, {o, o}}; and there are two Table commands to access them. Then, ...
1answer
60 views

Print all cells independently at once

Is there any way to print out to pdf file, in sequence, all cells independently? I have literally hundreds of cells that need to be printed in that way. Selecting each cell and "Print Selections" ...
2answers
163 views

Using Button to display dynamic graphics

I have a DynamicModule with several graphic elements. I would like to create a button which would change a parameter and re-run the entire module. Say that we have ...
1answer
261 views

How to compile Heike's winding number function?

Heike gave the following function for winding number: ...
2answers
164 views

Embedding text on an opaque plane in 3D [duplicate]

A simplified specification of what I am trying to accomplish would be to construct a cube each face with a different color and each face having a text label that can be seen only when viewing from the ...
1answer
277 views

Simplify equations using list of rules

I have a set of equations that I want to simplify using a list of rules: ...
1answer
217 views

How to obtain a Symplectic 4×4 matrix?

I have a problem in obtaining a $2n \times 2n$ Symplectic matrix $T$, with $n=2$. I couldn't find a direct command in Mathematica to achieve this. Conditions: ...
6answers
303 views

Using MapIndexed only at certain elements of a list

MapIndexed is a very handy built-in function. Suppose that I have the following list, called list: ...
4answers
380 views

Autocomplete InputField

Is there a way to define a InputField that displays a list of options as you type? More specifically I'm looking for an ...
1answer
105 views

How can a package use a variable of a notebook?

I have defined a function g in a package. It is: g[x_]:=x/.t->3 Now I work in notebook with the command: ...
5answers
362 views

Span a function across several consecutive elements in a list

Suppose that I have a list called list. I would like to span an arbitrary function f across specified consecutive elements in ...
4answers
367 views

Recurrence relation in a table

I am trying to generate a list of x-values for a function using a module, where my x-value must increase by 'a' if the term ...
1answer
267 views

Help in NIntegration Methods - Takes too long, why?

I have this code. It is a triple integral, and using the automatic method gives me a wrong answer for $T=0.1$ (the correct answer is $5.44$, while I got $3.73$ ). I've tried to change the integral ...
1answer
814 views

Slow import of multigigabyte TIF image stacks

Update 6: After contacting Wolfram Technical Support, I was advised that the frame-to-frame import timing variability can be eliminated by reading in the frame stack from frame to frame with the ...
2answers
176 views

Extract substring by repeated StringPattern

This code failed, but may exemplify my intention. StringCases["aA1bbbbbbbbbbaA2baA3b...aA4b",Repeated[Shortest["a"~~xx__~~"b"],{2,100}]] I want to get the ...
2answers
214 views

Is it possible to manipulate FindFit

I was wondering if it is possible to manipulate a FindFit[] function. As a basic example, if I had an equation $ax^2+bx+c$ and a set of data, would it be possible ...
1answer
386 views

Explanation about RegionFunction and MeshFunctions?

In the link, ParametricPlot3D, consider the example(Variation on the Spheres) given in the Neat Examples section. Can someone please explain how ...
1answer
491 views

Plot a 3D vector field from a file [duplicate]

I have a data file with six columns {x,y,z} and {ux,uy,uz} respectively, and I would like to plot the 3D vector field. http://www.mediafire.com/download/udoa61hu0m6itrc/campo.txt I'm trying to do ...
2answers
189 views

How to automatically restart Mathematica kernel after out-of-memory error

I want to run a Mathematica code repeatedly, even after the kernel shuts down when it is out of memory, because I have designed my program to continue appending the data to a file. Currently, I have ...
2answers
133 views

How to unthread?

For example {a + b} == {c + d} // Thread (*{a + b == c + d}*) how to get {a + b} == {c + d} from ...

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