# All Questions

176 views

### EventLocator with LSODA?

Is the EventLocator option not compatible with LSODA on NDSolve. Below is what I tried to do ...
1k views

### How to join two Style[]d strings

Does anyone know whether it is possible to combine\join two styled strings? That is, while the following code works fine: omega = "text"; omega<>omega ...
1k views

### Solving a trig equation

I am trying to find an explicit solution to a trigonometric equation. It is running for a long time and I didn't get any result, but Maple solves it quickly. Why ? ...
3k views

### Getting the interpolation function from a list plot

I have conducted a chemistry experiment and obtained a list of concentrations of a reactant against time. I plot a graph of this using Mathematica's ListPlot ...
431 views

### Getting all the countries' flags and then using them as chart labels?

What's the code to list all the world's flags? CountryData["G8", "Flag"] works to get those particular flags, but what about all the world's flags? ...
286 views

### Handling Indeterminate Forms

I'm running a sum, the elements of which are calculated by calling functions that I wrote. The only issue is, I've implemented this pretty stupid solution where I have 4 or 5 (nested!) if statements ...
1k views

### Parallelization problem in LinearSolve and Minimize

My CPU has got 8 cores (it is Intel Core i7-2600 3.40 GHz). When I try to solve a linear matrix equation using LinearSolve for large matrices, Mathematica just uses 4 cores to solve the problem (CPU ...
360 views

### Saving a notebook as a $\LaTeX$ file, with syntax highlighting preserved

How can I save a notebook as a $\LaTeX$ file, while preserving the syntax highlighting (such as input/output boxes)?
249 views

### Combining nested lists that meet certain criteria for a permutation

I have the following list representing a permutation on 26 characters: ...
1k views

### How can I delete cells with error messages?

I'm new to Mathematica and am unfamiliar with the notebook interface. I haven't been able to delete cells with error messages. For example, when I try to ask Mathematica to compute something, it ...
519 views

517 views

### Plotting Complex Roots of Unity [duplicate]

Possible Duplicate: Finding real roots of negative numbers (for example, $\sqrt$3${-8}$) I am trying to make Mathematica plot the cube roots of $27i$ and graph them, so that I can include ...
969 views

### Understanding Pie Chart Annulus generation and alternate style using Disk[]

Background I have been working with a set of data for some time now and I recently decided to change the format. The data is a tree-styled listing of hierarchical names and positions. (* Names ...
209 views

### Make ControlActive respond faster within Animate

The following code uses Animate to create an animation that displays as {t, "Inactive"} when paused, and {t, "Active"} when running: ...
644 views

### Does Mathematica have a “MATLAB Builder” equivalent?

I was wondering if Mathematica has an equivalent of MATLAB's "MATLAB Builder" as seen here? I found this but it reads as if all programs using .NET/Link must have Mathematica installed on them as ...
337 views

### FindMinimum, NMinimize, etc. with external process

I was hoping to be able to use MMA's minimization power to work with an external process. I want to minimize the function 'TryThisNumber[x_]' which sends the value of x to something external and gets ...
207 views

### Optimizing a rank 3 tensor

Assume we have the following elements $$F_i{}^j \;and\; S_{ij}{}^k,$$ which represent the components of tensorial objects of ranks 2 and 3 respectively, with Complex ...
263 views

### Replace values of a list containing words and numbers

I'm trying to import some data in a .txt file which contains numbers and words. I import a list which consists of four rows of measured data acquired with an oscilloscope, but the acquisition program ...
252 views

### Context Sensitive Formatting for a Table

Suppose I am calculating the correlation of a a set of vectors. Correlation[RandomReal[1, {5,5}]] I would like to display the output using TableForm or Grid ...
413 views

### Change number from real to integer [duplicate]

Possible Duplicate: Is this the most efficient way to round approximate integers to integers while leaving other Reals untouched? Please consider the following: ...
659 views

### Why does repeating an equation help in FindRoot?

I'm trying to understand this behavior of FindRoot. Consider a sample function (the one I'm actually interested in is far more complicated, but has similar issues) ...
233 views