15
votes
2answers
744 views

Is it possible to embed the Mathematica editor?

Is it possible to embed a Mathematica window into a .NET application? I mean not just the interop, but actually making the notebook editor window part of a .NET form. Is this possible?
12
votes
2answers
3k views

Graphics3D: Finding intersection of 3d objects and lines

I found these two nice links 1) intersecting graphics 2) Implementation of Balaban's Line intersection algorithm in Mathematica which works for 2d. However, I need to find whether a ray(line) ...
23
votes
7answers
759 views

Alternative ways to implement a triangular recursion

Triangular recursions are a class of algorithms that frequently turn up in computational mathematics. These recursions are expressible in the general form ...
22
votes
3answers
2k views

Mathematica as a normal programming language

I'm interested in Mathematica's core language for both practical development and as an object of computer science study. Actually, the former is more of a means to the latter. I would like to create ...
20
votes
2answers
897 views

How safe is Encode?

How safe is an encoded package (using locked, etc)? If I don't specify a personal key, I understand that the encoding key must be somewhere in the Mathematica program itself, and so it is not a ...
17
votes
4answers
876 views

How to find all vertices reachable from a start vertex following directed edges?

How to find all vertices reachable from a given start vertex following directed edges, in a cyclic directed graph given as ...
17
votes
2answers
4k views

How to save plots in grayscale

As sophomoric as this question seems, how should I save plots in grayscale in Mathematica? I generally like eps images for their scalability and I use ghostscript or other third party perl scripts ...
16
votes
1answer
990 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 ...
16
votes
4answers
1k views

Constructing a list that includes a leading zero (01,02,03 … 55, 56, etc.)

I am constructing a list for use in file operations. Say I want to create list which contains values from 01 to 87. The kicker is that the first nine integers need ...
15
votes
2answers
644 views

Encrypt the password used for SendMail

I want Mathematica to send me an email when the computation is finished. To that end, I have a cell with SendMail[...] which I place behind my computation in the evaluation queue. The problem I have ...
15
votes
3answers
1k views

Computing the genus of an algebraic curve

How-to compute the genus of an algebraic curve in Mathematica ? In my case the algebraic curve is explicitly defined by a polynomial.
14
votes
2answers
595 views

How to create a simple cross eyed 3d plot

I wanted to create a stereoscopic view of my threedimensional plots, so I can interpret them better. The basic things, one would need, are two plot windows which are somehow connected to each other ...
14
votes
9answers
501 views

Distributing elements across a list of lists

I have two lists: u = {{1, 3}, {2, 6}, {3, 9}} v = {0, 4} and I want to obtain this list from them: ...
13
votes
1answer
632 views

Ellipse counting from image

I have hundreds of images similar to this image: I'm looking to count the number of ellipses as well as their major and minor diameters. The ellipses are touching, hence, ...
13
votes
3answers
3k views

Composing an image with a plot

I'm trying to illustrate the solutions to a textbook problem dealing with quadratic functions. This will involve plotting a quadratic and overlaying the plot and the image. Here is the textbook ...
11
votes
2answers
2k views

Finding fourier transform of data and hence frequencies

I looked at all the other questions related to mine before posting this, and they didn't solve my problem. I have a large data set which can be downloaded from here. I'm using the following code to ...
11
votes
1answer
682 views

Exporting numbered equations to HTML/TeX using conversion rules

This question is a follow up from this one. It may also be considered a duplicate since I have already asked this question in stackoverflow almost a year ago. For a background on using numbered ...
11
votes
2answers
584 views

Workbench Profile[] question

I previously posted this question on Mathgroup but received no response I am using Workbench to profile my code. Suppose I have 2 modules, let's call them A, B (they are too long to replicate here). ...
10
votes
5answers
3k views

How to plot periodic function's graphic?

How to plot periodic function's graphic? For example, $f(t) = t$ when $-5<t<5$ and $f(t+10) = f(t)$. ...
10
votes
4answers
4k views

How can I differentiate Numerically?

Mathematica has two ways to integrate: Integrate and NIntegrate. But what about D? ...
8
votes
1answer
1k views

Using Mathlink with the cernlib FORTRAN package MINUIT

I could successfully use Mathlink to call a simple fortran subroutine. However, when I went to a realistic problem, I failed. To be specific, I want to fit a set of data with some function using the ...
32
votes
3answers
5k views

How does one set a logarithmic scale in a ContourPlot?

How does one set a logarithmic scale for both x and y axes in ContourPlot in Mathematica?
29
votes
2answers
856 views

Is there a name for #1@#2&?

Why does the pure function # @ #2 & have no name? I'm asking because sometimes I find inelegant to write expressions like ...
28
votes
3answers
771 views

Can Mathematica solve Plateau's problem (finding a minimal surface with specified boundary)?

Given a closed curve $\mathcal C$ in three dimensions, is it possible to use Mathematica's built-in functionality to compute a minimal surface whose boundary is $\mathcal C$? For simplicity, let us ...
27
votes
5answers
2k views

Mathematica 10 'Formatting Notebook Contents'

Mathematica 10 freezes while 'Formatting notebook contents'. This happens already during the startup of Mathematica and it takes a long time for Mathematica to recover. It can also happen when I am ...
25
votes
1answer
3k views

Finding long strings of identical digits in transcendental numbers

Introduction Describing the three main streams of present-day mathematical philosophy (formalism, Platonism and intuitionism) in a well-known book, The Emperor's New Mind, R. Penrose says: ...it ...
23
votes
1answer
237 views

Why is multidimensional Reverse slow?

I have found that multidimensional Reverse is ~10 times slower than exact -1 ;; 1 ;; -1: ...
22
votes
4answers
739 views

How to reduce the InterpolatingFunction building overhead?

I want a linear interpolation from the following example list: ...
22
votes
3answers
2k views

How can I embed a Manipulate (or other interactive graphics) in my website using CDF?

The new CDF (computable document format) lets you embed a Manipulate or other interactive graphics on your website, and users can play around with your little ...
21
votes
2answers
740 views

Kernel crash after idle in version 10.0

Bug introduced in 10.0.0 and fixed in 10.0.2 In version 10.0, when I leave the Mathematica section idle for some time (of order an hour), the kernel quit automatically. The syntax highlighting is ...
20
votes
4answers
2k views

Drawing a square root spiral

Here is a start, i'm looking for a nice way. ...
19
votes
1answer
217 views

How to get Cases to wrap results in an arbitrary head?

A number of functions provide for results to be wrapped in an arbitrary head. This is very important in cases where the results should not be evaluated. Take ...
18
votes
2answers
2k views

List of Parallelize[]-able functions

The question is clear and is inspired by this question and the first comment on this question. Although there are many tricks for parallelizing things that are not ...
17
votes
4answers
823 views

How to determine the convex hull of some text?

How can I get the co-ordinates of the convex hull of a piece of Text?
17
votes
2answers
1k views

Changing default window appearance

Since every single time I start Mathematica, my first action is aligning the windows properly (Notebook on the left for $2/3$ of the screen, help on the right for the other $1/3$), I was wondering ...
16
votes
1answer
487 views

Speed up adding Poisson noise to an image

I'm simulating some images corrupted with Poisson noise, but I'm encountering a few problems with performance. According to the documentation on ImageEffect, one ...
16
votes
2answers
1k views

Dealing with large files

I have a *.dat file in which the contents are basically one giant list: {1,2,3,4} {5,6,7,8} {9,10,11,12} and so on. I'd like to read in the first 500 members { ...
16
votes
2answers
711 views

How to perform fuzzy lookup between lists?

I have two big lists with 10,000 lines each, with product names from different databases. They have a lot of common products (50%), but they are not typed in the same way. For example there is one ...
16
votes
1answer
640 views

Manipulating a continuous stream of sounds

I need some audio-feedback when a locator is moved on a surface. I have the following code that produces a beep every time the dynamic controller is interacted with such that the pitch of the sound ...
16
votes
4answers
2k views

How to get actual triangles from DelaunayTriangulation[]?

The ComputationalGeometry package has a DelaunayTriangulation[] function. It returns a list of points connected to each point, ...
15
votes
3answers
1k views

Parametric Interpolation of 2D data

I want to create an interpolation through the following 2dim data points: ...
15
votes
5answers
4k views

How to draw a great circle on a sphere?

I apologize for the text description, but new users are not allowed to post images. I want to draw a circle that cuts through the center of a sphere and has an inclination of 15 degrees with the ...
15
votes
1answer
1k views

Programmatically combine 2D contour plots with 1D projections

I regularly need to plot 2D and 1D data together. I want to be able to show a 2D contour plot with the projections along each of the axes. As it is now, I create the three plots separately and use ...
15
votes
3answers
876 views

How to set focus of a dialog window?

I have a dialog, which, when pops up, requests input from the user. How can I set the window up that the focus is on the InputField of the new window (i.e. the ...
14
votes
3answers
991 views

Reading from STDIN, or: how to pipe data into Mathematica

Today I tried using Mathematica's plotting capabilities to display the output of a C++ program. This made me wonder whether it is possible to somehow tell a Mathematica script to read from STDIN and ...
14
votes
3answers
958 views

Background image in a polygon / CountryData

Is it possible to use a background image in a polygon without rasterizing the polygon? I tried with textures, but they seem to be viable only for simple polygons. I want to put a flag as the ...
13
votes
3answers
559 views

Image Processing: Concrete test blocks

Background Concrete is mixture of aggregates and cement. Aggregates are composed of different sizes and colors. Core samples are taken by drilling in order to test the strength of concrete . They are ...
13
votes
1answer
339 views

What is the complete list of valid FrontEnd Packet types?

In response to my question How can I get the unchanged Box form of an arbitrary expression? John Fultz answered with a method using the hilariously named ...
13
votes
6answers
1k views

Splitting up delimited data in lists

One task that I frequently find myself doing in Mathematica is splitting lists into lists of sublists, using specific elements to define the break-points. This is particularly useful with imported ...
12
votes
1answer
497 views

Grid layout problems: different sizes when rendering on Mac and Windows

From the documentation for ItemSize: {w,h} make all items the specified width and height and In Grid, w is measured in ems, and h in line heights. This ...

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