# All Questions

209 views

### How to make Mathematica save all open files, or automatically ask to save each file when closing

Here is the scenario: You have number of open notebooks at the same time, and made some changes in all or some of them but have not yet saved the changes. Mathematica does not have something like ...
139 views

### Is there an easy way to divide a matrix into four blocks?

I often get a data table with column names and row names. For example: ...
749 views

### How to get grid lines at all (log) tick marks in Version 10?

In Version 7 using GridLines -> Automatic (or All) would put a grid line at every log-spaced tick mark: ...
208 views

### Plotting Time Series with call to Wolfram Alpha

I am trying to plot stocks showing some of the local maxima. As an exercise I first tried to load Apple's stock data from Wolfram Alpha with the following code: ...
1k views

### Mathematica 10 Dataset doesn't format more than 4 columns?

Try this code in Mathematica 10: Dataset@Table[Association[ToString[#] -> # & /@ Range[4]], {2}] I got a nicely formatted table: But when I do the same ...
597 views

### Different colors when comparing Plot3D V9 and V10

I am trying to create Plot3D with same color as we used to get in V9 but without success. I used PlotTheme -> "Classic" in V10 but the results looks like somehow ...
135 views

### Menu bars on Palette windows don't work properly — any workarounds?

After getting help from Rojo with Menu commands on Palettes and other windows without menu bars? I was able to create a Palette with a menu bar by: Selecting the Palette and opening the Option ...
460 views

### Backsubstituting solution into FindRoot and Plot

I want to find roots from a transcendental equation using FindRoot as a function of a real parameter and then plot the solutions vs. the parameter. The following commands work perfectly: ...
272 views

Bug introduced in 10.0.0 and persisting through 10.1.0 or later In the Version 10 interface, at least by default, there is no longer a common menu bar in a separate window, and menus appear to be ...
132 views

### How to increase significant digits in Mathematica

How can I increase the number of significant digits in Mathematica? When I import a matrix, an element like 112.5276 is rounded to 112.528. I would like to increase the number of significant digits ...
448 views

### Input Aliases in Mathematica 10

Bug introduced in 10.0.0 and persisting through 10.2.0 or later In Mathematica 9, typing in an input alias such as intt would result in the keyboard cursor ...
282 views

### How to use the Testing Notebook to test a package?

I think an important purpose of the new Testing Notebook in version 10 should be to test user packages (instead to test the builtin functions in the ...
2k views

### Mathematica 10 'Formatting Notebook Contents'

Mathematica 10 freezes while 'Formatting notebook contents'. This happens already during the startup of Mathematica and it takes a long time for Mathematica to recover. It can also happen when I am ...
152 views

### Add one to a major diagonal of a matrix given a coordinate point

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139 views

I'm trying to build an ExampleData browser, so that the "collection"/"type" is selectable in a drop down menu, and the "name" is selectable in another drop down menu. What I have so far: ...
56 views

### How can I change the scoping of a pure function returned by a function in a package?

I have written a small Mathematica package that contains a module that solves some differential equation with initial conditions. Suppose that the solution to this differential equation defines some ...
108 views

### Matrix of given size with unspecified elements

I want to generate a Matrix of given size whose elements are not specified I can use Array[a, {3, 2}] to get ...
106 views

### Energy Equation: Boundary and initial condition

I'm trying to solve the energy equation and NDSolve is able to solve the problem. Even though the result is acceptable, I have always the warning "boundary and initial conditions are inconsistent". ...
285 views

### Why does GridLines option fail with Function?

Bug introduced in 10.0.0 and fixed in 10.0.1 The Plot option GridLines can be specified either as a list of explicit values ...
222 views

### Optimizing the front end on the Raspberry Pi

Using Mathematica's Front End on the Raspberry Pi is truly a test of one's patience. The most basic of notebooks become unresponsive after seemingly trivial additions to the notebook. Consider the ...
231 views

### Problem with infinite sum

I am facing a problem in evaluating infinite sums of the following form. As a first thing define the following function ...
93 views

### How to show gif animation inside Manipulation in the cloud?

This creates a manipulate object show two static plots, ...
552 views

### Are there tools for getting Mathematica 9 Notebooks working in Mathematica 10?

As often happens with Mathematica updates, nearly all of my notebooks no longer work as they did with the previous version. The upgrade from 9 to 10 has changed the appearance or introduced errors ...
111 views

### ParametricPlot - Problem with ColorFunction

I am unhappy with the following mapping: ...
44 views

### Clojuratica setup in Windows

I have been trying to setup Clojuratica on Windows using instructions from Clojure Data Analysis Cookbook and http://drcabana.org/2012/10/23/installation-and-configuration-of-clojuratica/ Each time I ...
629 views

### What's the difference between Inactive and HoldForm?

In version 10, Mathematica not only added Inactive / Activate but also highlighted this change in the "New in 10" page (in Core ...
165 views

### Deploy a dynamic report

What does it take to deploy a report to the Wolfram Cloud? I would like to deploy the generated notebook (not the notebook with the slots) to a public URL so my customer can access it. Every time the ...
1k views

### Mma 10: Half the parallel power (Macs)?

Here is a comparison of the parallel kernels launched under Mathematica under v9 and v10, on the same identical current 2014 R2-D2 Mac Pro ... [ Update: Valerio has commented that the same issue ...
157 views

### Remove variable from autocomplete - version 10 issue?

I've got a program that's fairly long. Occasionally I ClearAll some lists that I created. That works fine, but those lists continue to show up in the autocomplete. Is there anyway to remove them ...
157 views

### NIntegrate Trapezoid rule with even subdivision producing poor results

NIntegrate[x^2, {x, 5, 9}, Method -> {"TrapezoidalRule", "Points" -> 2, "RombergQuadrature" -> False}, MaxRecursion -> 1] returns the ...
1k views

181 views

### BaseStyle ->AbsoluteThickness[somenumber] doesn't work in version 10?

Users of version 9 might be surprised by this outcome: Plot[{Sin[x], Cos[x]}, {x, 0, 5}, BaseStyle -> AbsoluteThickness[5]] It seems that ...
211 views

### Rough mesh lines in partially opaque 3D plots

If I plot a surface with mesh lines, they show up fine (of course). However, if the surface is even just a little transparent, they get quite rough. Compare this to setting the Opacity to 1: ...
129 views

### How to stop V10 asking to continue with updated styling each time I open a new notebook

Each time I open a new notebook, using File->New->Notebook, I get this message Then I check on the "Do this for all notebooks". But when I repeat this and want to create a new notebook, it asks ...
205 views

### MapAt and generic Functions on Associations and Datasets

These are distinct but related questions about mapping functions to Associations and Datasets. Given: assoc = <| a -> 1, b -> 2, c -> 3|> And ...
266 views

### PlotLegend disappears if Plot is used with ColorFunction

Working some charts on V10, I discovered that PlotLegends disappears if used together with ColorFunction inside ...
287 views

### Dataset with no members

I am trying to plan a framework for relational algebra using the Dataset capability of Mathematica 10. In the work of Date and Darwen, there are two concepts known as TABLE_DEE and TABLE_DUM. ...
101 views

### Timing: how make a program to work faster using built in functions and tables

I want to improve my code to make it working faster even for very large numbers. ...
132 views

### Inverting matrix of unknown size

I have a matrix that has a variable number of columns and rows (but it is always square). The matrix is:  \Gamma = \begin{bmatrix} \Theta & 0 & 0 & 0 & T & 0 & R_j \\ ...
125 views

### Truncating out higher order polynomials in series of fractions

I have taken sequential partial derivatives of a two variable polynomial fraction, resulting in a very long series of polynomials of form: ...
123 views

### Obtain data points from a density plot

I have a density plot, for example DensityPlot[Sin[x*y],{x,0,2pi},{y,0,2pi}]. Then I would like to collect points from this densityplot into a file so that I ...
67 views

### Can I get rid of the “learning bar”? [duplicate]

I just purchased a home edition of Mathematica 10, and there seems to be a toolbar that I can't get rid of. It is kind of annoying and distracting. I couldn't find the option in the preference panel. ...
239 views

### Problems extending NelderMeadMinimize into 2D

Update The eventual route I followed was to adapt a version of the NM-simplex written in C and link to it with MathLink. Once I've tested this out fully I'll post it here. I've been playing around ...