================================== Top new questions this week: ==================================
[Inserting some zeros in a list by a rule of positions] https://mathematica.stackexchange.com/questions/154551/inserting-some-zeros-in-a-list-by-a-rule-of-positions
I have a list:
mainlist={0.23, 0.34, 0.8, 0.0, -0.2, 0.4, -0.1};
I have to extend the above list to another one finalresult with Length=17. But in finalresult the elements of the mainlist must be ...
- asked by Inzo Babaria (12 votes), answered by John Joseph M. Carrasco (14 votes)
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[How to use Streaming package in v11.1?] https://mathematica.stackexchange.com/questions/154439/how-to-use-streaming-package-in-v11-1
I am trying to use the streaming package for lazy list operations demonstrated in this post. But I found that the package was significantly changed in version 11. After some observations, I found that ...
- asked by happy fish (11 votes), answered by Leonid Shifrin (9 votes)
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[Interior of discretized region] https://mathematica.stackexchange.com/questions/154544/interior-of-discretized-region
I have some domain of interest:
r = 0.3; dom = ImplicitRegion[(x - 1/2)^2 + (y - 1/2)^2 >= r^2, {{x, 0, 1}, {y, 0, 1}}];
Now I can extract mesh of the whole domain or just boundary:
...
- asked by user16320 (9 votes), answered by C. E. (10 votes)
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[Orientation of boundary domain normals] https://mathematica.stackexchange.com/questions/154656/orientation-of-boundary-domain-normals
I would like to use BoundaryNormals provided by the ElementMesh object. To demonstrate my problem I will take my favorite domain:
dom = ImplicitRegion[(x - 1/2)^2 + (y - 1/2)^2 >= (1/4)^2, {{x, 0, ...
- asked by user16320 (8 votes), answered by user16320 (4 votes)
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[Best Practices for Creating CDF e-textbook] https://mathematica.stackexchange.com/questions/154550/best-practices-for-creating-cdf-e-textbook
I attended a talk given by Eric Schulz a few years ago. It was similar to his talk "Sharing Wisdom Gained from Publishing a CDF Ebook" given here. I am Math instructor and have been creating ...
- asked by Michael McCain (8 votes)
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[Markdown parser in Mathematica] https://mathematica.stackexchange.com/questions/154634/markdown-parser-in-mathematica
Is there already a markdown to XML parser implemented in Mathematica? I wrote a one for my pelican rewrite, but realized I should have asked here first. Mine is almost certainly faulty in a few major ...
- asked by b3m2a1 (7 votes), answered by b3m2a1 (3 votes)
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[ListContourPlot with hatched regions] https://mathematica.stackexchange.com/questions/154481/listcontourplot-with-hatched-regions
I’m using ListContourPlot on a table of data, and I’d like to hash the regions rather than colour them, so the plot works in black and white.
data = Flatten[Table[{x, y, Cos[x] + Cos[y]}, {x, 0, 3, ...
- asked by KraZug (7 votes), answered by John Joseph M. Carrasco (8 votes)
================================== Greatest hits from previous weeks: ==================================
[Creating legends for plots with multiple lines?] https://mathematica.stackexchange.com/questions/4025/creating-legends-for-plots-with-multiple-lines
So I have a graph with multiple lists, for e.g.
data = {{1,2}, {3,4}, {3,5}, {2,3} . . .} If I then do ListLinePlot[Table[{#1,Log[b,#2]}&@@@data, {b,1,10,2}]] I have no way to generate a legend ...
- asked by Eiyrioü von Kauyf (61 votes), answered by Jens (91 votes)
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[Learn Mathematica (Wolfram) Language in one day] https://mathematica.stackexchange.com/questions/138366/learn-mathematica-wolfram-language-in-one-day
Currently I am trying to learn Python. Searching for relevant material I came across
X in Y minutes
and books with titles such as Learn Python in one day, in 24 hours, etc.
Similar material exists ...
- asked by dimitris (26 votes), answered by masterxilo (11 votes)
================================== Can you answer these? ==================================
[NetTrain with External GPU?] https://mathematica.stackexchange.com/questions/154380/nettrain-with-external-gpu
I’d like to use the new Neural Networks functionalities in v11 on my Macbook Pro, unfortunately, most macs do not have the supported Nvidia cards. However, there is the option for using an external ...
- asked by M.R. (3 votes)
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[Solution (numerical or symbolic) of functional equations?] https://mathematica.stackexchange.com/questions/154515/solution-numerical-or-symbolic-of-functional-equations
Can I solve functional equations with Mathematica? How?
For example, I am trying to solve:
\[\frac {F(x)}{F(1)} = 2F\left (\frac {(1+x)^2}{4a}\right )-F(x/a)\]
for specific values of \(a\). Can ...
- asked by becko (1 vote)
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[Amplitude of a transfer function] https://mathematica.stackexchange.com/questions/154489/amplitude-of-a-transfer-function
I’m looking to calculate the amplitude of a transfer function which is defined in a symbolic way :
T=(1 + 2 I r )/(1 - r^2 + 2 I r ) I try this, i doesn't work Assuming[{ > 0, r > 0}, ...
- asked by Bendesarts (1 vote)