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David Zhang's user avatar
David Zhang's user avatar
David Zhang's user avatar
David Zhang
  • Member for 10 years, 8 months
  • Last seen more than a week ago
29 votes
3 answers
2k views

Generating 250 random points crashes the kernel, but not 249

27 votes
3 answers
696 views

Can Mathematica edit large binary files in-place?

25 votes
1 answer
681 views

Why is SatisfiabilityCount faster than SatisfiableQ?

18 votes
4 answers
472 views

Does Mathematica have an equivalent of C's nextafter?

14 votes
2 answers
1k views

What is the fastest way to get the nth distinct permutation of a list?

11 votes
2 answers
934 views

Recursive Integral for Volume of $n$-Ball

11 votes
2 answers
891 views

Does Mathematica have an equivalent of Python's float.as_integer_ratio?

9 votes
1 answer
192 views

Deleting zero edges from a graph causes bizarre behavior

7 votes
1 answer
545 views

Why does this simple sum function fail to compile?

6 votes
1 answer
509 views

Does Mathematica support an unordered set (e.g. hashset) data structure?

6 votes
1 answer
1k views

How do I directly read the Nth byte from a binary file?

5 votes
1 answer
138 views

How do I perform exact unit conversions with irrational conversion factors?

4 votes
2 answers
170 views

Generating compiled functions from inactive expressions

4 votes
2 answers
265 views

Can I modify Ctrl-- to insert Indexed expressions?

3 votes
2 answers
1k views

How do I apply a ColorDataFunction[] to a grayscale image? [duplicate]

3 votes
1 answer
128 views

Check that a relational expression is true for all complex numbers

3 votes
0 answers
152 views

Does Mathematica support out-of-core Associations?

3 votes
2 answers
622 views

How do I find all cut vertices (aka articulation points) in a graph?

1 vote
0 answers
102 views

Mathematica refuses to integrate a function it knows how to integrate [closed]

1 vote
1 answer
98 views

Use boundaries of one plot for another

1 vote
2 answers
397 views

Why does using ReplaceAll twice produce a different result?

1 vote
2 answers
1k views

Equating coefficients in a non-power-series equation