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9
votes
0answers
119 views

How to suppress the escape window?

Cross posted here If we first enter an empty string (""), and then paste something within the quotation marks, the following dialog box will pop up: I recorded a ...
9
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99 views

Probable bug in Export(String) and “String” format

Bug introduced in 6.0 and persisting through 11.0.0 or later ...
9
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0answers
113 views

Fast Destructuring

This might be a XY problem. I first post my immediate question and some background below. Question: What's the fastest way to pass arguments matching ...
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125 views

Performance improvements by using Activate and Inactivate

In a question about improving performance of a TensorContract of a TensorProduct, user jose suggested replacing ...
9
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0answers
121 views

What governs how Mathematica selects the appropriate format for an Import?

Under Mathematica 11, I have cobbled together an Import Converter that is able to handle simple cases of Apple Mail emlx files. I did this because, without the Importer, emlx files are imported ...
9
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269 views

How to label vertices on a mesh with user defined values?

I am trying to write a code to estimate geometric properties (i.e. Mean Curvature, Gaussian Curvature, Principle Curvatures) on a triangulated mesh. I would like to save the calculated data as a set ...
9
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213 views

Why would killing the kernel defreeze/unhang the front end?

My Mathematica front end will freeze occasionally for unreproducible reasons. This seems mostly associated with long (> 1 hour) computations, although not exclusively. If I click on the Mathematica ...
9
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0answers
545 views

benchmark of Mathematica's FEM?

Does anyone have any numbers on how mathematica compares to other commercial (eg ANSYS) or free FEM softwares (eg. FreeFEM++, FEniCS, elmer)? If this is too vague say solving the diffusion equation in ...
9
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116 views

How to setup logging levels?

I was wondering what tools exist out there for doing logging in Mathematica? The Echo functions is nice, but I'd like to set various severity levels and other ...
9
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0answers
132 views

LinearProgramming returns an invalid null solution that apparently doesn't satisfy constraints without any warning

Bug introduced in 9.0 or earlier and persisting through 11.0.1 or later While searching to answer the question Solving the magic backyard puzzle with MMA at some time I composed a set of arguments ...
9
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0answers
212 views

What are the time and space complexities of Classify/Predict?

Does anyone have knowledge of the O(n) time & space complexities for various model types supported by Classify[] and ...
9
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0answers
274 views

Wolfram Data Framework specification?

Motivated by a recent question on the meaning of all sorts of W* acronyms, I would like to get more information about the Wolfram Data Framework (WDF). On its web page http://www.wolfram.com/data-...
9
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0answers
235 views

Call Magma in Mathematica

I've written some code in Mathematica, related to some group theory questions I have. Subsequently, I found that part of the code could be significantly sped up if I could just call a routine in ...
9
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0answers
285 views

How can I add column-rearrangement-by-mouse-dragging to my dataset display function?

A subject that I seem to take at heart... I was expecting an upgrade of the default Dataset display in MMA 10.3.1. It did not happen. Among the features I would have liked to see improved is a better/...
9
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0answers
225 views

ListDensityPlot3D does not antialias axes

I sent a bug-report to Wolfram and the case number is [CASE:3454878] I'm on Linux with Mathematica 10.3 and I have my 3D graphics output set to the highest "Antialiasing Quality". It works fine for <...
9
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0answers
494 views

Mathematica Courses or Bootcamps?

Related questions and link: Do you know of any web-based university course that is entirely Mathematica based? What is the best Mathematica tutorial for young people? http://www.wolfram.com/...
9
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165 views

Does Compilation option “InlineExternalDefinitions”/“InlineCompiledFunctions” lead to unnecessarily complicated nesting?

Question: When an external (possibly complicated) definition f is used inside a compiled function with ...
9
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0answers
625 views

Image Processing: Car front detection

Background Image processing can be applied to car license plate detection problems see Wikipedia, segmenting numbers, belisarius's old answer. Also, on this site once can use some techniques ...
9
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0answers
151 views

Strange result of DeleteCases in an association

Bug introduced in 10.1.0 and fixed in 10.3.1 The function DeleteCases can be used for associations, also with level specification. Here is an example where some ...
9
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0answers
358 views

Make the map of rivers and lakes of the country

As I understand,first of all I should to get the country's map and the river's list. To get country map is simple: ...
9
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0answers
324 views

Built-in symbols which are more close to the root/core of Wolfram Language

Seeing the vast scope of science covered by the Wolfram Language (WL) and the large amount of built-in symbols (functions), I am curious to know which built-in symbols are more close to the root of WL,...
9
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0answers
160 views

Wrong Cashflow of Annuity with initial payment

Bug intoduced in (8.0?) persisting through version 11.0.1 If we use TimeValue to look at the PV of an Annuity with initial ...
9
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0answers
161 views

Is there a documentation generator for Mathematica?

I'm looking for a way to document the functions of my packages inline, preferably inside comments. There should be a Doxygen type tool for this that takes comments and that generates html from markup ...
9
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0answers
626 views

Configuring remote access when using a VPN

To address some of the responsiveness issues, I use the Mathematica front end (v9 or v10) to access a remote kernel on a Raspberry Pi. The (advanced) kernel configuration used is this: Arguments to ...
9
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0answers
213 views

MacDonald formula for Modified Bessel Functions

How can I make Mathematica understand these two integrals? $$\int_0^{\infty} e^{-x \cosh{\xi}} d\xi = K_0(x)$$ $$\int_0^{\infty} e^{-\frac{1}{2} \Big( \frac{x y}{u} + u \frac{x^2+y^2}{x y} \Big) } K_{...
9
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0answers
1k views

ParallelTable kernels die - maybe Mathlink timeout?

I am new to parallel computing in Mathematica. I am using LaunchKernels[16] ParallelTable[] to parallelize calculations. The ParallelTable consists of approx ...
9
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0answers
113 views

Graph: PropertyValue changes and Dynamic

I almost never work with Graph in Mathematica but lately I helped someone with it. For this, I tried to make an animation using ...
9
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0answers
802 views

Does a running evaluation continue after the PC wakes from sleep mode?

Are there any issues with running a process on Mathematica, putting the computer to sleep, and then waking the computer sometime later? It seems to work just fine on my test process (appending data ...
9
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0answers
197 views

Bug in PositiveDefiniteMatrixQ?

Fixed in 10.1.0. Exists in at least 9.0.1 -- 10.0.2. This seems like a bug in PositiveDefiniteMatrixQ to me: ...
9
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0answers
233 views

How to add big data into a CDF file, without it being loaded into memory

I have 1 GB of data that I would like to add to a CDF file, but I would like to avoid it being loaded into memory when someone opens the file (Free Player). One gigabyte of info takes a lot of ...
9
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0answers
873 views

Does Mathematica use the Elliptic Curve Method (ECM) in FactorInteger[]?

I'm not a mathematician, and I'm not even going to pretend that I understand anything of the ECM. But I know it can be a fast method for factorization. I benchmarked the factorization of $$...
9
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1answer
176 views

Proper Syntax highlighting for multi-argument With?

For the case of Block and Module one can choose to define values in the body for the variable names being scoped. So there is no ...
8
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0answers
167 views

Guide to capturing the complete image of given urls?

I'm trying to use WebImage[] to capture the complete image of a website (yes, it might be very tall). I seem to be having some issues with it: How to attempt to capture a complete image of the ...
8
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0answers
64 views

Order of PolygonCoordinates[] is undefined in Mathematica 12?

Probably I am missing something fundamental. I try to get a polygon's ordered coordinates, but PolygonCoordinates[] yields something pretty unordered. Am I missing some essential function? ...
8
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0answers
167 views

The most bizarre kernel crash ever. Kernel crash in Integrate under simple different setups. Unable to find cause

Reported to WRI. CASE:4330461 V 12 on windows 10 64 bit. Note: This problem do not show up in V 11.3. Only in V12. For the last 2 hrs, I've been trying to zoom into why V12 kernel crash when ...
8
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0answers
71 views

Probable bug in EdgeAdd when adding edges to multigraphs

Bug introduced in 10.0 or earlier and fixed in 12.1 M10.0.2 and M10.3 return a wrong result without errors. M11.0 and M12.0 issue a flood of messages and sometimes crash. I am using Mathematica 12.0, ...
8
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0answers
294 views

DEigenvalues and NDEigenvalues return different values

In the following example, DEigenvalues and NDEigenvalues return different results despite having identical arguments. Does anyone know why? (I use Mathematica 11.3) ...
8
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0answers
73 views

Design Patterns for System Functions?

Using PrintDefinitions give one a great view into many system functions. Often the design of these symbols incorporate multiple patterns that I see again and again. ...
8
votes
1answer
299 views

What are the features that are only available in Wolfram Finance Platform?

Looking at the Wolfram Finance Platform advertising page. They seem to have features that are all available in standard Mathematica license. So what is the exact difference between the two? Their ...
8
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0answers
159 views

Is anything missing from Wolfram Development Platform?

I wanted a license for Mathematica that allows commercial use (as a single user). After doing an awful lot of reading at the Wolfram website, I decided to purchase the Developer license for Wolfram ...
8
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0answers
262 views

EMF Export Bug in v12

Bug introduced in 12.0 or earlier For some reason EMF vector image export deteriorates with every version. In v12.0 for Windows create a simple BarChart: ...
8
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0answers
128 views

StableMarriage vs. FindIndependendEdgeSet: How to use the procedure FindIndependendEdgeSet as a Gale-Shapley algorithm?

From Help, the procedure StableMarriage was an element of the Combinatorica, but it is available in the built-in ...
8
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0answers
115 views

Performance warning using TakeList and All on big lists

According to Mathematica's own documentation, TakeList can operate with lists containing All. For example: ...
8
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0answers
52 views

Dealing with over eager shadowing messages

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8
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0answers
95 views

Current $Context of a given notebook

nb = CreateDocument[{Dynamic@$Context}, CellContext -> Notebook] It will show Notebook$$22$93500` or something similar. How ...
8
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0answers
120 views

Slow down training many neural networks (Bug?)

I am working on something in which I need to train a neural network many times with slightly different training data. I noticed that after many training runs the input rate had dropped significantly. ...
8
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0answers
50 views

Styles inheritance stack for elements of a Graphics/GraphicsBox

You can skip to the bottom if you only care about the question. My original goal was to control FrameLabel color from a notebook level opposed to doing it ...
8
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0answers
49 views

Thermometer Gauge with ScalingFunctions Broken?

Is this broken? The following generates an error: ThermometerGauge[Dynamic[t], {1, 100}, ScalingFunctions -> "Log10"]
8
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0answers
102 views

What is the philosophy behind \[Rule] (a.k.a. `->`) for assigning options?

Today I was banging my head against my desk when I realized that the problem I was experiencing was due to having typed ImageSize[Large] instead of ...
8
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0answers
182 views

How do Cloud Credits work?

How do cloud credits work? In the documentation, it says that CloudDeploy[] uses CloudCredits (http://www.wolfram.com/language/fast-introduction-for-programmers/en/...

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