# All Questions

167 views

### Manipulate Slider over discrete collection. Keyboard control.

I would like to create a Manipulate slider that iterates over a discrete set of items. Something like the following ...
198 views

### How to fix MIDI playback on OS X?

Sometimes sounds specified using SoundNote (i.e. things played using MIDI) don't play properly on OS X. Some notes are missing and some are stuck. At least this ...
603 views

### Solve inhomogeneous Poisson's equation, gives no result at all

I would like to solve the following two-dimensional inhomogeneous Poisson's equation in Mathematica including specific boundary conditions, and I know that an analytical solution exists, but ...
317 views

### Looking for an elegant way to construct this tensor-product-ish list

I would like to make the following matrix: ...
79 views

### Function or script which maxes out the CPUs?

I've been using Mathematica for awhile now and have never come even close to maxing out my CPU cycles. Are there any functions which consume lots of CPU cycles? Right now I am running a script which ...
90 views

### Performing operations on function lists

I am exploring the use of Dynamic variables for the ViewPoint and ViewVertical options in a ...
87 views

### How to pop out of a subsection in a notebook

Let's say I have a section in a notebook, which I begin with a cmd-4 keystroke. I type in some text and expressions, and now I want to introduce a subsection for ...
60 views

### how to generate repeatable Unique streams?

I need to label some data in arbitrarily nested ragged lists, with a stream of unique labels. It's very convenient if the labels are consecutive integers, starting at 0 or 1, and if I can produce the ...
99 views

### Export file with semicolon at the end of line

Is there a rule that tells Mathematica to set a semicolon at the end of each line (except of the last one)? My MWE is: ...
670 views

### Units, plotting and empty plots

maybe I'm completely newbie but I can't understand the behavior of units and the command plot. I'm doing some easy plotting of the state equation for gasses: ...
131 views

### Changing “Block[]” to a Manipulation

I have a graph here and I want to be able to manipulate the 4 parameters that are in the Block command. I want to watch the graph change as I change the parameters. I've done this before, but the ...
282 views

### Retrieving Data from Excel Using NETLink / Pulling data using RTD Link

Reference: I've looked at the posting Open excel file with Mathematica. My intention is to be able to use Excel's RTD capability in order to pull market data into Mathematica. To my knowledge, this ...
623 views

### What do the hashtags represent in the result of Solve, and how should I use them? [duplicate]

There is a function that I'm trying to get the inverse of. My function is a simple polynomial: Tn[T_] := 4/9 T^3/Tc^2 + 5/9 T Now I tried to find ...
206 views

### To what extent can NonlinearModelFit be sped up?

Can NonlinearModelFit be parallelized or compiled to allow one to achieve a scalable speedup for a fitting procedure? Attempting to use this function to fit a ...
258 views

### How to switch off messages on all kernels?

I am using ParallelMap for my code,however, it gives some messages that don't affect the evaluation process but fill up the memory and take some more time. So, I ...
36 views

### I'm definitely giving an integer, but I get Nest::intnm [duplicate]

I am attempting to make a small interactive plot that displays the plot of Cos iterated its times. Whenever I try to evaluate my ...
95 views

396 views

### Color scheme used by Colorize?

The Colorize function is often used to display the results produced by MorphologicalComponents: ...
130 views

### list manipulation [duplicate]

I have a list like the following: {{1, 3}, {2, 5}, {3, 6}, {2, 4}} I want the final list to be like that : ...
159 views

### Implementing new algebra for list-like objects

I would like to implement an algebra (addition, multiplication, etc.) for what is called "truncated power series" (TPSA) (Differential Algebraic description of beam dynamics). . These 'objects' (sets ...
112 views

### DictionaryLookup very slow

I'm trying to plot, given a list of words, how many words belongs to each language. I'm using the following code: ...