================================== Top new questions this week: ==================================
[Is there any possibility to implement a structure like a ProgressIndicator into NDSolve?] http://mathematica.stackexchange.com/questions/134787/is-there-any-possibility-to-implement-a-structure-like-a-progressindicator-into
It is already formulated in the title. NDSolve takes sometimes a considerable piece of time. It would be very practical to have some information on how long it is still to wait. So, any ideas?
To ...
- asked by Alexei Boulbitch (20 votes), answered by user21 (16 votes)
—————————-
[This integral is divergent. How to use NIntegrate to see how it grows?] http://mathematica.stackexchange.com/questions/135073/this-integral-is-divergent-how-to-use-nintegrate-to-see-how-it-grows
I am trying to get information on the following integral: \[ \int _{\pi -0.3}^{\pi -\epsilon } \frac {1}{(3+\cos {x})\sqrt {(3+\cos {x})^2-4}} \]
The lower limit is somewhat arbitrary; the point is that ...
- asked by Gelasio Salazar (10 votes), answered by Michael E2 (6 votes)
—————————-
[Call a Haskell DLL from Mathematica] http://mathematica.stackexchange.com/questions/134913/call-a-haskell-dll-from-mathematica
Looking for a way to call a Haskell DLL from Mathematica, I’ve stumbled on this, for GNU R:
http://neilmitchell.blogspot.com.br/2011/10/calling-haskell-from-r.html
It is (to me) a beautiful example ...
- asked by Rand (10 votes), answered by WReach (11 votes)
—————————-
[Product of set elements not exceeding a bound] http://mathematica.stackexchange.com/questions/134743/product-of-set-elements-not-exceeding-a-bound
I have a set of distinct positive integers l (if you wish, you may assume it is a list ordered by size), and a bound lim. In general, l has thousands of elements, but all are at most equal to lim. I ...
- asked by rogerl (10 votes), answered by george2079 (4 votes)
—————————-
[How does Mathematica solve a certain differential equation?] http://mathematica.stackexchange.com/questions/135055/how-does-mathematica-solve-a-certain-differential-equation
I was trying to solve a nonlinear differential equation with the following code.
DSolve[3*x^2/D[u[x, y], x] + 3*y^2/D[u[x, y], y] == -1, u, {x, y}] And I got the following output: {{u -> ...
- asked by usr109876787 (8 votes), answered by Michael E2 (12 votes)
—————————-
[How to cross-compile LibraryLink code for multi-platform distribution] http://mathematica.stackexchange.com/questions/135022/how-to-cross-compile-librarylink-code-for-multi-platform-distribution
I am running Mathematica on a Windows 10 machine and I would like to develop a package for public distribution. Most of the package will be Mathematica code, but some timing-critical parts should be ...
- asked by Ben Niehoff (8 votes)
—————————-
[Plotting difference between two Half Normal Distributions] http://mathematica.stackexchange.com/questions/134824/plotting-difference-between-two-half-normal-distributions
I am new to Mathematica, and this question may reflect that.
I am trying to plot the probability density function of a random variable which equals the difference between two independent random ...
- asked by user120911 (8 votes), answered by Jim Baldwin (9 votes)
================================== Greatest hits from previous weeks: ==================================
[How to create a fascinating QR code like this?] http://mathematica.stackexchange.com/questions/120041/how-to-create-a-fascinating-qr-code-like-this
Check the facinating QRCode in my profile page here
You can find that this QRCode is some sort of intriguing as the QRCode is a IMAGE ITSELF!!!
So my question is, how to create such a QRCode ...
- asked by Wjx (24 votes), answered by Wjx (19 votes)
—————————-
[Find the 5566th digit after the decimal point of 7/101] http://mathematica.stackexchange.com/questions/125025/find-the-5566th-digit-after-the-decimal-point-of-7-101
I want to find the 5566th digit after the decimal point of 7/101. I input the following code into Mathematica 11:
Mod[IntegerPart[7/101*10^5566], 10]
The output is 6, which is the correct answer. ...
- asked by Wei-Cheng Liu (17 votes), answered by yarchik (19 votes)
================================== Can you answer these? ==================================
[Inset thickness and ImageResolution] http://mathematica.stackexchange.com/questions/134738/inset-thickness-and-imageresolution
I have noticed that when I export something with an Inset objects,
pp[t_] := Plot[Sin[x], {x, -10, 10}, Epilog -> {Inset[ Framed[ Text[Style[HoldForm["t=" t], ...
- asked by usumdelphini (4 votes)
—————————-
[Find the parameter values for my matrix for it to have imaginary eigenvalues] http://mathematica.stackexchange.com/questions/134909/find-the-parameter-values-for-my-matrix-for-it-to-have-imaginary-eigenvalues
Say I have a matrix that depends on a parameter \(u\). The following may be an example:
a = {{1, u^3 + 2, 1}, {0, 1, u}, {1/u^2, 0, 1}};
My real problem is 12x12 matrix with difficult parametric ...
- asked by Mirko Aveta (1 vote)
—————————-
[NotebookEvaluate breaks notebook’s context] http://mathematica.stackexchange.com/questions/135025/notebookevaluate-breaks-notebooks-context
Here is an example of a notebook with local context:
nb = CreateDocument[{ ExpressionCell[Defer @ CurrentValue[EvaluationNotebook[], CellContext], "Input"], ExpressionCell[Defer @ $Context, ...
- asked by Kuba (2 votes)