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 Yearling
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  • 0 posts edited
  • 1 helpful flag
  • 24 votes cast
Jul
8
awarded  Yearling
Jul
8
comment How does $|g(z)-k|<1/2|k|\Rightarrow |g(z)|>1/2|k|?$
Thanks, I feel so stupid ;)
Jul
8
accepted How does $|g(z)-k|<1/2|k|\Rightarrow |g(z)|>1/2|k|?$
Jul
8
asked How does $|g(z)-k|<1/2|k|\Rightarrow |g(z)|>1/2|k|?$
Jun
21
answered The limit of a product of functions equals the product of the limits: Is this proof rigorous?
Jun
19
asked The limit of a product of functions equals the product of the limits: Is this proof rigorous?
May
11
asked Must the definition of the limit of a complex function be an inequality?
Apr
16
asked How should the Calculus of Variations deal with $\delta(t-t_0)$ variations?
Mar
2
awarded  Good Question
Sep
4
asked How has the definition of a tensor changed since Tullio Levi-Civita's definition?
Aug
31
comment Is a linear transformation just a mathematical description of a straight line?
@CameronWilliams ah, I can see you're right; so I should have said that a linear transformation maps the independent untransformed variables lying on a straight line; to the transformed variable also lying on a straight line.
Aug
31
asked Is a linear transformation just a mathematical description of a straight line?
Jul
2
awarded  Curious
Jun
27
comment what's a homogeneous transformation?
@PeterFranek I've edited in the context of the question
Jun
27
revised what's a homogeneous transformation?
clarify context of question
Jun
27
asked what's a homogeneous transformation?
Apr
23
awarded  Tumbleweed
Apr
7
awarded  Popular Question
Mar
1
asked Can the Euler-Lagrange equations be derived from a variation over a time of order $dt$ rather than $t$?
Feb
22
comment Does every continuous function have a left and right derivative?
I wouldn't have believed it was possible at the time