# All Questions

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### Geographic background containing both outlines and contours: how?

I would like to create a map which will show lakes and rivers together with elevation contours and contour labels. What is the simplest way to do this with ...
7 views

### how to write TableForm expression into file?

Now I have a list stored in data as follows data = {{"Ca", 1, 1, 1}, {"Ca", 2, 2, 2}, {"Ca", 3, 3, 3}} the ...
14 views

### Finding Roots of Non-linear Systems: Rescaling polynomials

I'm trying to get all isolated finite equilibria of a moderate multi-dimensional non-linear system of equations. Particularly I have 9 independent variables and third order at most. It turns out that, ...
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### How to avoid joining MathieuCharacteristicA in a plot?

In the documentation As a function of the first argument, MathieuCharacteristicA is a piecewise continuous function So how to avoid joining different pieces of the function? For example, ...
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### Solve and NSolve for large models

I'm a Mathematica rookie running version 7.0 for Mac OS X x86 (64-bit) (February 19, 2009) on a 2010 MacBook Pro. (I'm also a stackexchange "newbie" who originally posted this on stackoverflow, thus ...
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### EvaluationMonitor is evaluating up to 3232 steps

I have the following objective function which I want to minimize using simulated annealing. fourVertIsoHamilt[x11_, x12_, x13_, x14_, x21_, x22_, x23_, x24_, x31_, x32_, x33_, x34_, x41_, x42_, ...
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### why is mathematica 10 much larger than 9 in disk space? [on hold]

I found that mathematica 10 requires 8.8GB disk space while version 9 only asks for 5.5GB. So what are the major differences? What kind of new features gives rise to the increase?
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### What is taking so long in this simplification?

I killed this after 48 hours, it did not seem to be getting anywhere. In the best of all possible worlds it would spit out n!. If I put the summation in a function it does compute factorials ...
43 views

### Suppressing reduction in fraction box size in multi-level fractions [duplicate]

Mathematica display complex fractions like this, the second x look smaller, I want it look like this, how can I get it in Mathematica?
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### Agglomerate output to Graph

I'm using the HierarchicalClustering package to cluster some data. So let's say I have this: ...
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### Confidence and prediction bands for custom nonlineal for CDF from ProbabilityDistribution

I have a CDF obtained with the code: ...
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### Using J/Link with Wolfram Programming Cloud

Is it possible to use J/Link in a Wolfram Programming Cloud notebook? I need it to load and use 3rd-party .jars.
47 views

### Finding Symmetries of Points on a Sphere

Currently, I am working on a project where I would like to find symmetries of points plotted on a sphere. One example would be to rotate the sphere 180 degrees about the x-axis and the picture would ...
104 views

### AssociationMap to query Dataset across levels?

Is there a way to operate on Dataset across levels to apply a function f to a key -> value pair in an Association as follows: ...
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### notebooks not opening in mathematica 10

I`m a guest here, and thought I could just ask you guys. ...
44 views

### Constraint in a 2D plot with Legend

I have the following plot: ...
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### Numerically Integrating to find a Maximum using NDSolve

I am trying to numerically find an equilibrium (maximum) of a function using its differential. The following is a simplified version. ...
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### Some question on “Reduce”

Is this my mistake? I am trying to solve ...
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### Set min and max ranges for axes in ParametricPlot

I'm having trouble with this one plot I'm trying to make. I'm using NDSolve on a system of differential equations and when I plot it with ParametricPlot, the scales or lengths of the graphs axes come ...
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### Is it possible to build/simulate/extract data from a System Modeler model completely inside a notebook using the MathModelica language syntax?

See examples in: http://www.mathematica-journal.com/issue/v10i1/contents/MathModelicaPaper/MathModelicaPaper_2.html It seems to be ruled out by the statement (Chapter 2 intro): "The subset of the ...