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2
votes
0answers
197 views
+100

Finding local minima of an energy defined by integration

This question is also asked here and here. I would like to reproduce the two solid curves in Fig. 1a of this paper. The total energy is given in Appendix A, and the curve is obtained by minimizing ...
13
votes
1answer
207 views
+250

Tracking cells as they move under a microscope

I have a video (tiff file) of cells under a microscope and I'd like to segment and track the location and sizes of them across time: It has a hundred frames: I've uploaded it here (now it is public):...
4
votes
0answers
80 views
+50

How to find multi-word synonyms?

I’m looking to write a semantic distance function for phrases (5 words or less) that can map multi-word synonyms together. Here are some examples: “Red shoes” would be close to “Orange sandals” “...
10
votes
1answer
154 views
+200

Hold attributes vs performance

Is there a reason to use Hold* attributes for functional code (e.g. no intention to mutate input)? I'd expect performance gains as in pass by value vs pass by ...
3
votes
2answers
156 views
+100

Where is the numerical solving breaking down?

I am working with a set of three coupled reaction-diffusion PDEs, and for some parameter values I am getting some not so great solutions. I have been searching documentation and tutorials, and I have ...