# All Questions

612 views

### Mathematica rule substitution memory

First I present the specific programming question, and then I provide further background details. Given an expression in Mathematica, say f=3x+7y, there are two ...
798 views

### Automatically counting the number of lines of code in a set of notebooks

How can I automatically count the number of lines of code "Input" existing inside all the notebook files contained in a specified folder? I know there is the issue of considering or not the automatic ...
220 views

227 views

### Removing reverse versions of lists from a nested list [duplicate]

I need to remove the reverse versions of lists from list of lists. I.e.: {{1,2},{2,2},{2,1},{a,1,2},{2,1,a}} I need to reduce to ...
206 views

### Inaccurate plot

Could someone please tell me how I can increase the accuracy of this plot, please? Or is there some other reason the lines are breaking up? ...
171 views

### In version 9 PlotLegends, how can I remove the strange edges that appear around LegendMarkers?

I'm running Mathematica version 9. I am using ListPlot to plot two sets of data. For each data set, I am using different ...
140 views

### Using PatternTest and/or Condition to detect equal list lengths as well as list element formats

On searching Mathematica.SE for information about overloading functions, I came across several threads about PatternTest and ...
140 views

### Looking for feedback on this function

I'm not sure this is an appropriate question; if not, I'm sure someone will close it :) I've got the following function, listed below; its job is to accept a graph (function) presented either as a ...
275 views

### Importing Excel Spreadsheet containing Array Formulas

Has anyone had any success with importing an Excel Spreadsheet holding an array formula into Mathematica? The Syntax I'm using is ...
I'm wondering how to display the support $\mathrm{supp}(f)$ of a piecewise surface $z = f(x,y)$. As an example, let's consider the following piecewise function (and plot it): ...