electronpusher's user avatar
electronpusher's user avatar
electronpusher's user avatar
electronpusher
  • Member for 7 years, 2 months
  • Last seen more than a week ago
  • psi_dz^2
34 votes
4 answers
14k views

How can a mug and a torus be equivalent if the mug is chiral?

6 votes
2 answers
133 views

Can a tripod table be placed upon any surface?

5 votes
2 answers
5k views

Second derivative of absolute value function proportional to Dirac delta function?

5 votes
1 answer
498 views

Is the total derivative defined for a function of multiple independent variables?

2 votes
0 answers
52 views

Moving averages: a field of golden crosses?

2 votes
4 answers
140 views

Discrete formula for "special angle" outputs? Why is pi/5 not one of them?

1 vote
1 answer
101 views

Taylor Series of Complex Rational Function

1 vote
1 answer
1k views

Tan(theta) = derivative?

1 vote
2 answers
2k views

Divergence of Vector Field: Maximizing, Normalizing, Singularities, Interpretation

1 vote
1 answer
172 views

Limit of a series with upper bound in the summand?

1 vote
0 answers
52 views

Carpenter's trick to portion board into thirds - Approximation or Exact?

0 votes
2 answers
22 views

Linear System of 2 ODEs: Real Distinct Root Condition Proof?