2.13.1 Top new questions this week

2.13.1.1 Display hexagon grid to visualize Langton’s ant
2.13.1.2 Position function error
2.13.1.3 Mathematica 12.1.0.0 exporting low quality images at high ImageResolution
2.13.1.4 How can I count the color pixels in each partition of the image
2.13.1.5 Why does Nearest not return both equally distant values?
2.13.1.6 BarChart does not display asymmetric error bars correctly
2.13.1.7 Pattern-matching complex numbers as a + bi
2.13.1.1 Display hexagon grid to visualize Langton’s ant

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230017

I am looking to recreate the following image from this reference as

using Mathematica’s Polygon documentation under "Applications" as a starting point. I want to eventually use Mathematica ...

asked by C. Fuhrman https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60593 10 votes

answered by flinty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72682 8 votes

2.13.1.2 Position function error

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230018

I recently upgraded from Mathematica 6 to the most recent version. In my new version the Position function returns strange results that were not present in the old ...

asked by Peter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74626 8 votes

answered by ciao https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=11467 11 votes

2.13.1.3 Mathematica 12.1.0.0 exporting low quality images at high ImageResolution

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=229973

I recently upgraded from Mathematica 11 to Mathematica 12.1.0.0 . I understand there were some UI changes to accommodate high resolution monitors. I’m not sure if this issue is related to that. I am ...

asked by user3556814 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74618 8 votes

answered by Piotr Wendykier https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9239 1 vote

2.13.1.4 How can I count the color pixels in each partition of the image

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230060

I have a image of 1000 x 1000 pixels of which I have made 5 x 5 partitions. After that I am looking for a way to count number of color pixels in each partition. Thanks in advance for help.

asked by Atique Khan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=59972 7 votes

answered by flinty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72682 4 votes

2.13.1.5 Why does Nearest not return both equally distant values?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230082

Define the following three vectors:

a = {0., 0., 0.}; 
b = {-0.5`, 0.4330127018922193`, 0.25`}; 
c = {-0.5`, 0.`, 0.`};

Note that the distance from a to c is the ...

asked by abwatson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1709 7 votes

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 5 votes

2.13.1.6 BarChart does not display asymmetric error bars correctly

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230145

BarChart seems to read the uncertainty in elements the other way around. The object: Around[5, {1, 10}] is evaluated as . However, when you use it in a BarChart, the uncertainties are swapped:

asked by Luis https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=24933 6 votes

2.13.1.7 Pattern-matching complex numbers as a + bi

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=230013

I just started working with Mathematica and am toying with pattern matching. There may be something obvious I’m missing in this, but I can’t figure it out by myself. I want to write down a function ...

asked by ppln https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69266 6 votes

answered by eyorble https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=52935 5 votes