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5 votes
2 answers
70 views

Where is the new System`ConvertersDump`$extensionMappings?

I used to find the extensions mapping from System`ConvertersDump`$extensionMappings, which gives a mapping like "{"*.3ds" -> "3DS"...}&...
RoderickLee's user avatar
1 vote
1 answer
133 views

Problem with "MediaTools`" in Mathematica 12

I asked here for a solution how single video images can be extracted very fast from avi files. Piotr Wendykier gave a solution for Mathematica 11.3. Now I'm using Mathematica 12 and his solution ...
mrz's user avatar
  • 11.7k
1 vote
1 answer
104 views

How can I determine how an Import/Export format works?

Questions abound on the MSE about how to get a certain import / export feature to work as desired. For instance, here's one that popped up recently: How can I standardize the coordinate origin for ...
b3m2a1's user avatar
  • 47k
5 votes
0 answers
129 views

Find Import/Export format data

Often Import related questions come up, for which I'm always wanting to inspect the proper import function used to see what ...
b3m2a1's user avatar
  • 47k
4 votes
1 answer
304 views

Fast reading, writing of png images

One of the fastest implemented mathematica function to read png images was showed here by MarcoB The code for reading a png he proposed is: ...
mrz's user avatar
  • 11.7k
6 votes
1 answer
2k views

Parsing a caffe prototxt file?

Caffe has its own visualization tools, for instance you and draw all the layers in a network easily like so: But I wanted to analyze a network structure myself in mathematica, so I started to write a ...
M.R.'s user avatar
  • 31.6k
4 votes
2 answers
248 views

Workaround for Import not supporting the \leqslant TeX macro

$\{A\leqslant x\leqslant B\}$ Copy the code into Notebook, and you'll lose the less sign, this can be rendered well in ...
HyperGroups's user avatar
  • 8,619
5 votes
0 answers
319 views

Strange behavior of undocumented RawArray and ArrayObject expressions [duplicate]

I discovered several strange results and inconsistencies while trying to understand what undocumented RawArray and ArrayObject ...
Vladimir Reshetnikov's user avatar