All Questions

117 views

Fourier Transform on a Sound

I don't really know much above Fourier Transform , or how it's used in Mathematica but I want to know how I can find out, out of which Sin-waves a (static) sound is made of. So for example I take "G" ...
30 views

Simple Sin plot generates unexpected output? [duplicate]

I an trying to do a very simple smooth Sin wave... Plot[Sin[ 2 Pi 440 t], {t, 0.0, 0.1}] ...but I am getting an unexpectedly non-smooth plot for it... What is ...
62 views

How to speed up ReplaceAll in Table?

I am writing a code which solve a list of equations and then create a Table with resulst of equation solving. In applications where I use this code, I create a bunch of equations and my computations ...
303 views

n-fold convolution

I am trying to calculate n-fold convolution of a function as $G^{*n}(x)$ where $G(x)=1-a*exp(-b)+b*ln(b)$. I tried this function, Convolve[G[x], G[x]^{n - 1}, x, x] but it didn't give any answer. ...
124 views

Random geometrical graph generation

I would like to generate a random graph on $[0,1]^2$. Each node is connected to one other if the distance between two nodes is say 1/4 or less. Here is an example with 50 nodes and 200 edges I would ...
191 views

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155 views

General function taking general number of arguments

The following is an edit of this post, for which a working solution was provided by John McGee. I have a different function and am not sure how to adapt the solution for it: I want to construct a ...
111 views

TimeSeries - Values & Dates

How can I display a TimeSeries object in a Table or Grid so that I could see the Dates and corresponding Values next to each other? I wrote the following code: ...
51 views

Getting result from Maximize

I'm trying to get maximization result from Maximize function to use it in later calculations. At the moment I use the following code: ...
50 views

Trying to write a program to find an approximate harmonic function on a given graph using relation method

So given an undirected graph with two vertices that have fixed values assigned to them, a harmonic function is a function that assigns values to all other vertices such that the value assigned to each ...
197 views

VertexRenderingFunction (or EdgeRenderingFunction) with movable nodes?

In GraphPlot, I'd like to use VertexRenderingFunction (VRF) and have the resulting object behave the same way under dragging verticies as it does when I do not use VRF. The same issue occurs for ...
189 views

How can I make an animated demonstration of the Wigner semicircle distribution?

With Mathematica 10, it's possible to draw the semicircle distribution of R. Wigner: ...
302 views

Integral does not converge (when it should) [duplicate]

Bug introduced in 10.0 and fixed in 10.0.2 I was looking at integrals like: Integrate[HermiteH[50, x]*Exp[-x^2], {x, 0, Infinity}] which gave me a "does not ...
140 views

Running PowerShell commands in Mathamatica

I'm trying to execute a PowerShell command using Mathematica. Someone has made it before? I tested my command direct in PowerShell, and it worked nice, but no ideia on how can I make Mathematica to ...
213 views

How to add error bars to a fit function in Mathematica 10?

My professor gave us the following code to fit a Lorentzian to our data. I want to add vertical error bars (with individual error found in the experiment) to the plot but I don't know how. Any ...
102 views

Find tangency of InterpolatingFunction and circle

I am trying to use a system of equations to solve for the common tangent of a (polar) InterpolatingFunction and a circle. Unfortunately, both NSolve and FindRoot don't yield results, even when I ...
78 views

166 views

How can I plot a polygon with n sides inscribed in a circle and show the area?

I am doing some work on Archimedes and want to show what the area of a regular n-sided polygon is within a circle. My professor from two years ago was able to show it with an adjustable slider that ...
96 views

Sorting a list of points based on their euclidean distance

I need to take a list of random points and then sort them from least to greatest based on their Euclidean distance from a certain point. How would I do this?
76 views

ListPlot and AspectRatio

Here is a simple scenario ...