# All Questions

100 views

### Strange double evaluation using MorphologicalGraph

(MMA 9.0.0 on Mac OS/X 10.8) Please consider the following snippet (this is as SMALL as I could make it -- my attempts at making a smaller repro-case eliminated the effect that I am investigating) ...
77 views

### From notebook,how can I change variable value with in .m file dynamically?

I wrote a function named Testing. ...
160 views

### Am I entering this 2-variable recurrence correctly?

I'm trying to solve this recurrence with two variables. ...
289 views

### mathematica startup time

I have Mathematica 7 and 8 installed on my laptop. Mathematica 7 starts quite fast, but Mathematica 8 is extremely slow to start. In the Option Inspector I canceled the "welcome screen" option at ...
575 views

### Installing Android ADT and Aptana studio plugins into Workbench

My question is a dual to this one. I use Workbench 2.0, but I am now interested in developing some Android Apps and Html projects. In order to do that, I need to install Android ADT and Aptana ...
154 views

### Font Issues: “Like Resource 58” error

I'm running Mathematica 9.0.0 on a Macbook Air with OSX 10.6.8 and I've recently started having issues with the font in the program. All special characters are being replaced with other characters in ...
138 views

371 views

### Inconsistent boundary and initial conditions: BC ignored altogether

Consider the following diffusion-decay equation with von Neumann b/c in the origin and Dirichlet at the other boundary: ...
134 views

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174 views

### How can I compute the chromatic index and number of a graph?

I saw a recent question from M.R. and realized there is no function to compute the chromatic index and number of a graph, other than a really slow method in the now deprecated Combinatorica. So, how ...
454 views

### Set Global Maximum Precision

I'm sure this has been asked before, but I've looked around and can't figure it out: How do I set a global maximum precision for a notebook (or in general, globally)? I have a large notebook in ...
151 views

### Reference request for logic programming in Mathematica

I'm learning Mathematica(v8) to use it to program formal logic. Can anyone recommend a logic-specific tutorial text? A reference list of logic-related functions would also be very appreciated!
207 views

### Numerical-Symbolical Integration (Calculus)

I created a simple numeric-symbolic integration. Here you can use symbolical and numerical techniques at the same time. You can also interpolate numerical integrals. The problem with my function is ...
94 views

### “automated” image embedding app

Based on the following image attach procedure, can a Dynamic app be developed that: at start, only shows a small import button once clicked, opens a choose image ...
112 views

### PowersRepresentations Algorithm

I'm trying to understand the mathematics behind counting the number of representations of a positive integer by $n$ distinct $k$th powers, i.e. I would really like to know how to do the Mathematica ...
232 views

### How to plot function & integral with vector variable?

I want to plot functions & integrals with vector variable the present in this paper. For example the equation (5) at p. 3: I want to plot a chart like figure 5, i.e. the $x$-axis is the angle ...
189 views

154 views

### EventLocator with LSODA?

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

### how do you fix an axis in place for a movie?

I have a series of txyz coordinates, which I am plotting in space to create a movie of the objects' time evolution. With something along the lines of (simplified): ...
140 views

### Changing scroll rate for page down key?

I have a presentation remote that allows me to advance Mathematica slides when in the SlideShow environment. The control sends a page down key. Some of my slides extend below the screen window, and ...
335 views

### Simple contour integral with a parameter gone wrong

I run into the following problem, I tried to evaluate a very simple integral: Assuming[ a > 0 , Integrate[Sin[a*s]/(s - I)^2, {s, -Infinity, Infinity}]] ...
240 views

### Having difficulty with the Minimize command

I am having trouble getting an answer to this question...Am I missing something that anybody can see. ...
363 views

### Can not Import PDF

I try to import PDF and extract text from it Import["D:\\Vegetarian MS.pdf", {"PDF", "Plaintext"}] but with some files I have a problem like this ...
182 views

### How to predict some constant number of values with NeuralNetworks

Example: << NeuralNetworks` data = {Sin[#]} & /@ Range[0, 4 Pi, 0.5]; learn = data[[1 ;; 15]]; Now, lets fit our neural network: ...
81 views

### What exactly does AddTeX2Eps do and how does one use it?

What exactly is Janko Slavic's addon package AddTeX2Eps supposed to do, and exactly how does one get it to work? I do understand it's supposed to allow one to use TeX ...
31 views

### Using IntegerPartitions for distinct integers

What I would like to do is to find a way to test how many ways m distinct integers from the set {1,..., n} where ...
36 views

This is a simple C++ program to send an expression to the_Mathematica_ Kernel and get its response. ...
34 views

### Using Graph to cull correlated lists

I have a set of lists that represent molecular descriptors. I need to identify which descriptors are highly correlated and eliminate the correlated pairs. I can represent the connectivity by ...
38 views

### Type Vietnamese in Mathematica

I type Vietnamese using UTF-8 Encoding but Text Display got error. How to type Vietnamese, Chinese in Mathematica. Please help me.
17 views

### Set Image Size and Page Orientation When Exporting to PDF

I want to export my plots (plot1 and plot2) as a pdf file. Since plot1 contains 4 figures in matrix form, so it will not fit in one page. ...
39 views

### Why has my syntax coloring changed?

Local variables in Module are no longer specially colored for me, but other syntax coloring remains, for example iterators in a ...