# All Questions

116 views

### Two-way locator & slider controls

I was wondering whether it was possible to have a two way control system, whereby one could click and drag both the locator (which would in turn move the sliders), AND click & drag the sliders ...
82 views

### Select parts of Input Cell

One of my cells contains some Text and Input: some text 3+5, so the expression underlying this looks like ...
132 views

355 views

### Can plot a function, NSolve takes too long

I'm new to Mathematica, so maybe mine is an easy to solve issue, but I haven't been able to figure it out. I have a series of linear ODEs I solve using for: ...
95 views

### Manipulate syntax

I am trying to manipulate a plot of the Bernoulli roots as follows: The following code clearly is not going to work, but I have included it in an effort to illustrate my meaning. ...
230 views

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141 views

### Exporting graphics to PDF results in destroyed fonts on Windows 8

Executing plot = Plot[x^2, {x, 0, 100}, PlotLabel -> "Plot"]; SetDirectory[NotebookDirectory[]]; Export["plot.pdf", plot, "PDF"]; results in Is this a bug? ...
58 views

### Option Inspector — option definitions

Relatively new to Mathematica, using v. 8.0.4.0 on OSX, and wanting to know where I can find something like a list of definitions for each of the many Global, Notebook, Cell, etc. options listed in ...
219 views

### How to find longest monotonic sequence?

I have a list, for example list = {2, 1, 3, 5, 4, 6} How to find longest ascending sequence of this list? There are two meanings of this question: Find the ...
38 views

### Syntax for FrontEndSelectionSetStyle

I know FrontEndSelectionSetStyle is undocumented, but its name suggests it does what I need. What is its syntax? I have already tried several variations of the ...
148 views

### Gradually coloring edges in terms of their vertices colors

In order to color Edges in a Graph after applying a function such as VertexDegree I did the ...
128 views

### Understanding distribution chart

How to explain DistributionChart function in mathematica, For example: if I have ...
100 views

### How accurate is Collect?

Background: I am trying to compute the Lyapunov exponent for the logistic map given by \begin{equation*} x_{n+1}=F(x_n)=ax_n(1-x_n) \end{equation*} The formula for the Lyapunov exponent for a given ...
40 views

### Get pattern from rising numbers [duplicate]

I am no mathematician or math star, yet wondering if there is a formula or a way to calculate what follows: I have series of numbers: ...
745 views

### Convolution of two dirac delta functions

Why mathematica doesnt produce any answer to the following integral? Integrate[0.040608386793220284*DiracDelta[w]*DiracDelta[-w + x], {w, -2, 2}] and how can I ...
84 views

### TableHeading Lines Do Not Show Up

For a list list = {{"a", "b", "c"}, {"d", "e"}}; Table heading lines do not show up ...
151 views

### Proof: Convergence of an equation and show the first derivative is bounded

We have the following equation $$x(k+1)=\arccos\bigg( -\frac{1}{2(Dr^{\frac {|\sin(2x(k)+\theta)|}{M\sin x(k)\sqrt{A+2B\cos(2x(k)+\theta)}}}+1)} \bigg) \nonumber$$ ...
219 views

### Treat list as cyclic

I am considering the following case. Say that T={p1,p2,p3} represents a triangle. In addition, I want to parameterize the edges of the triangle ...
144 views

### How to make an efficient difference of sets function?

How to write a nice code that removes all elements from given set A, that occur also in set B? I would like to use DeleteCases[] for this purpose, but have no good ...
96 views

### fourier issue arising from input miscommunication

xdomain = Table[i , {i, -10, 10, .1}]; ListPlot[InverseFourier[ Fourier[E^-#^2 & /@ xdomain]*E^#^2 & /@ xdomain]] So I want to numerically fourier ...
815 views

### How to remap a fisheye image?

I want to flatten a series of fisheye images by remapping them to a rectinlinear projection. To achieve this, I need to be able to remap the pixels of the image using fisheye correction formulas for ...
186 views

### NestWhile application

I have the function which take the last list in nested list, reduce it somehow in several ways so the length of list reduces and output new list wherein input list appended with defferent reduced ...
105 views

### Defining a curved region for NDSolve

I have an equation to solve using NDSolve which involves two parameters: $en$ and $k$. The equation produces a set of curves when $en$ is plotted against $k$. In ...
I have a data file which contains three columns of data. The first and the second column correspond to $x$ coordinates, while the third column to $y$ coordinate. Here is a small sample of the data ...