Linked Questions

6
votes
1answer
178 views

Searching for literal strings with TextSearch

The documentation indicates that TextSearch can be used to look for a "literal string" inside documents, but it appears Mathematica may be applying a regex-style ...
8
votes
0answers
1k views

Poor CUDALink performance, when calling a kernel multiple times

When working on a project of mine I noticed that CUDALink shows very poor performance when calling CUDA kernels multiple times in a loop-construct. To demonstrate this I put together this little ...
6
votes
3answers
182 views

Why does adding 6.1 seconds display as having added 6.099?

Why does adding 6.1000000 seconds to a DateObject display as having added 6.099? If I copy the Out[20] element from this picture, it contains the correct value: ...
8
votes
1answer
381 views

How to know the internal pre-processing of automatic machine learning function `Classify`?

In the Highly automatic machine learning page, it is said the function like Classify and Predict will do things like automatic ...
2
votes
1answer
480 views

How to get the meaning of a Mathematica symbol you don't know ? [closed]

I would like to know how can I get help on a Mathematica symbol that I don't know ? There is often this case when I read some codes from forum or collegues. Thank you for your help.
7
votes
1answer
356 views

Actual bins used for Pearson Chi Square Test

PearsonChiSquareTest[data, dist] computes bins for data as a step towards calculating the test statistic. For continuous ...
7
votes
2answers
121 views

Custom graph distribution

I am working with random graphs a lot. It's quite easy to describe random graph using, adjacency matrix or just a list of edges. However I am thinking that I might benefit from describing random ...
4
votes
1answer
257 views

Sow only if different from zero

I am trying to collect elements with Reap and Sow, where I am interested only in non-zero elements, that is I am trying something like that ...
2
votes
1answer
246 views

Access properties in Mathematica

This may seem a trivial question but I am coming to Mathematica from object oriented programming languages. The results of many analyses are composite datatype. I want to access part of the result. ...
5
votes
1answer
137 views

Sorting list of Chinese strings

I have a list of Chinese strings; for example, like this: list1 = StringPartition[Import["http://text-share.com/view/c652fa55", "Data"][[-1]], 4] Now I want to ...
4
votes
1answer
98 views

? (Definition) versus ?? (Information)

What is the difference between ? Definition and ?? ...
3
votes
1answer
193 views

Handling of non-file URI

According to the manual, Hyperlink “represents a hyperlink that jumps to the specified URI when clicked”. OneNote produces hyperlinks that begin with onenote://. In Mathematica, creating a hyperlink ...
5
votes
0answers
516 views

Code formatting

This question is a follow up from Formatting notebook files In Programmatic formatting for Mathematica code - possible? masterxilo proposed to use ...
6
votes
1answer
225 views

Image compose coordinate problem

Am I missing something or this is a bug? Why I get different results by just adding a bracket? ...
8
votes
1answer
182 views

AndersonDarlingTest and DistributionFitTest Leaking Memory

I believe AndersonDarlingTest and probably all other tests are keeping a copy of data somewhere and not freeing it: ...

15 30 50 per page