# All Questions

204 views

### Evaluating FindRoot at different starting points on a grid

I'm trying to evaluate the roots of a complex function at different starting points on a grid using Do[Do[FindRoot[g[z], {z, j + k*I}], {j, 10}], {k, 10}]. However, ...
131 views

### Issue with ListConvolve

I am a new Mathematica user, learning the intricacies of functional programming. I have issues withe applying a function over a moving list. My function seems to work and give correct results but it ...
410 views

### How make f[{x,y}] evaluate as f[x,y]?

I frequently encounter the situation where I have a function of two real variables defined, e.g.: f[x_, y_] := 9 - x^2 - y^2 But then I need to feed into ...
102 views

### Detect Standalone CDF vs Browser Plugin environment [duplicate]

Recently, Wolfram informed me that there's no way to have a Print button in a CDF running within a plugin environment since the plugin does not interact with the operating system. If you have a way to ...
161 views

### How can I add a background to a stylesheet?

In version 9 we can set the background to an image, however I'd like to save this into a stylesheet that can be installed.
282 views

### How to change coordinates of integration?

Is there some built-in routine, some easier method to change variables of integration, without/before solving the integral? Say I have ...
122 views

### Plotting an array of data onto a sphere [duplicate]

See the link to plot at the bottom of this post, it is a function of the spherical coordinates theta and phi. It is generated by MatrixPlot of an Array of data. I would like to plot this onto a sphere ...
241 views

### Is there an $n^{\text{th}}$ root function in Mathematica?

Is there a way to find $\sqrt[n]{x}$ with Mathematica beside of x^(1/n) as this is something different, because this is not always the same (-1)^{\frac{2}{4}}=i ...
72 views

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266 views

### What is the confidence limit on this convergence?

When I run this, Product[n^MoebiusMu[n],{n,1,Infinity}] I get $\frac{1}{4 \pi^{2}}$ Over on Math Overflow they are saying it shouldn't happen. So, how do ...
449 views

### Multiple assumptions in integral

I want to add two assumptions, so I can get this probability density function to equal 1, though I can't get a solution. ...
309 views

### Extract function arguments

Is there a way to extract the arguments of a function? Consider the following example: I have this sum ...
275 views

### How to transform Do loop to more efficient codes?

I'm new to Mathematica. Here is my original program: How to rewrite the Do part? ...
378 views

### Efficient implementation of a linear complexity measure of binary sequences

For a implementation of testing the quality of random number generators I implemented the NIST test suite in Mathematica based on the nice workbook by Ilja Gerhardt. However I took up the challenge ...
572 views

### Coloring Points in a Plot, based on their position in the list

Before I describe the question, I'd like to say that I've seen the excellent answers posted here but have not managed to get them to work for my own data. I have a list of values that I would like to ...
799 views

### Making a presentable BarChart

I've been asked to reproduce a bar chart generated in Excel in Mathematica. The original Excel chart looks like this; My Mathematica version looks like this; There are a couple of things wrong ...
191 views

### How can I create an advanced grid interface on Mathematica?

Working on a CDF for report creation, I miss having a nice grid interface, where I would have basic operations like being able to sort a columns by clicking on the columns head (ascending and ...
148 views

### dealing with discontinuity at integration

My problem is about the solution of $2$ non-linear equations which have a single parameter. To be more precise, For given two densities; for example: ...
242 views

### Increasing the size of numbers in a legend bar

I would like to know how you go about increasing the size of numbers which appear in a legend to make them larger than the default (which is too small for publication purposes). Example: ...
85 views

### Complex Integration Optimization

The following code culminates in plots calculated for each value of t as given below. I have tried compiling one of the functions and adjusting the precision of both the integration and the plotting ...
90 views

### Output Export in Mathematica

I have a command line that generates lists as output and is running in a loop, so generates, multiple long lists. Each list is to be exported as a .txt file. How can I automate the name generation of ...
112 views

143 views

### An issue regarding Eigenvalues function [closed]

Can anybody please kindly explain to me why the members of the output vector produced by the following example are not equal to zero? ...