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5h
revised Can different quaternions represent the same orientation?
added 286 characters in body
14h
reviewed Approve suggested edit on probability, birthday paradox: need help to understand the solution
15h
comment Ruling out orders when applying Sylow's theorems
You can also use the fact that in a group of order $p^n$, every subgroup of order $p^{n-1}$ is normal. That would cover both of your examples.
16h
answered Ruling out orders when applying Sylow's theorems
16h
reviewed Approve suggested edit on Solving Equation Problem
17h
revised Can different quaternions represent the same orientation?
added 565 characters in body
17h
answered Can different quaternions represent the same orientation?
2d
reviewed Edit suggested edit on Continuity and simplification of a function
2d
revised Continuity and simplification of a function
improved format
2d
reviewed Approve suggested edit on Continuity and simplification of a function
2d
reviewed Approve suggested edit on Need help finding probability distribution
Apr
17
revised Prove determinant of $n \times n$ matrix is $(a+(n-1)b)(a-b)^{n-1}$?
deleted 289 characters in body; edited title
Apr
17
comment Common perpendicular
What's a "type $I$" line?
Apr
8
reviewed Approve suggested edit on show that $f(x,y) =2x^2 + 3y$ is differentiable at $(0,0)$ by producing a linear function
Apr
5
revised Explanation and validation of point adding/doubling on elliptic curves
deleted 13 characters in body
Apr
5
comment Explanation and validation of point adding/doubling on elliptic curves
@gkovacs90 Oh you're right, didn't read carefully enough. Still only one of them can be correct, but both points are on the curve. I changed the answer now.
Apr
5
answered Explanation and validation of point adding/doubling on elliptic curves
Apr
4
revised Series is convergent but it seems it is divergent?
deleted 191 characters in body
Apr
4
comment Series is convergent but it seems it is divergent?
@RyanReich Yes you're right.
Apr
4
answered Series is convergent but it seems it is divergent?