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22h
awarded  Nice Question
Apr
18
awarded  Notable Question
Apr
18
revised $2\ln(-x) \neq \ln(-x^2) ? $
deleted 107 characters in body
Apr
17
awarded  Nice Answer
Apr
5
comment How to plot figure on specific time on Matlab
I'm voting to close this question as off-topic because it belongs on Stack Overflow.
Apr
5
comment How to plot figure on specific time on Matlab
Hmm, I just realized this is math.stackexchange - this question should probably be moved to stack overflow
Apr
5
answered How to plot figure on specific time on Matlab
Apr
5
revised How to plot figure on specific time on Matlab
added 7 characters in body
Apr
4
comment Examples of results failing in higher dimensions
Sensitivity to initial conditions, topological mixing and dense periodic orbits.
Apr
1
answered What does it mean for two vector spaces to be equal?
Feb
21
awarded  Enlightened
Feb
21
awarded  Nice Answer
Jan
27
awarded  Generalist
Jan
5
comment What is the geometric interpretation of the transpose?
@mcb You need to read the rest of the sentence - "can be regarded as a rotation to a new basis, then scaling in this new basis, and finally rotating back to the new basis". The effect of the two rotations cancels out, and the net effect is just a scaling (the magnitudes of the scaling are described by the eigenvalues of the symmetric matrix).
Dec
17
awarded  Yearling
Dec
15
revised Simulation of 2-dimensional Brownian motion
added 1 character in body
Dec
1
comment Amount become $9$ times in $12$ years at Compound interest. In what time it will become $27$ times
Try taking the square root of both sides.
Nov
30
revised Particular case of a differential equation
added 3 characters in body
Nov
11
awarded  Good Answer
Oct
21
awarded  Nice Answer