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1h
awarded  analysis
4h
revised Problem: conservative and not conservative $F=\left( y+\frac{y}{x^2+y^2}, x-\frac{x}{x^2+y^2}\right)$
added 24 characters in body
4h
answered Problem: conservative and not conservative $F=\left( y+\frac{y}{x^2+y^2}, x-\frac{x}{x^2+y^2}\right)$
1d
comment What time should Celia aim for in her sixth race to make the team?
I meant for you to compute the sum.
1d
comment I am trying to find where $\sin ( \pi t) e ^{ -t } $ converges via secant method and I keep getting this error below with my code.
This doesn't seem to be a question about mathematics. (In fact it's not even a question, just a statement in the title and a code dump.)
1d
comment Prove that for every natural number $n > 2$ there is a prime number between $n$ and $n!$
@dc3rd Yes, that's very similar.
1d
answered Intuitive explanation of second derivative test for functions of two variables.
1d
comment What time should Celia aim for in her sixth race to make the team?
If she wants the average after six races to be less than 5 min 50 seconds, how small does she need the sum of all the times to be? (Next time, please add more context to your question, and don't just copy the problem statement.)
1d
revised Prove that for every natural number $n > 2$ there is a prime number between $n$ and $n!$
added 1 character in body; edited title
1d
answered Prove that for every natural number $n > 2$ there is a prime number between $n$ and $n!$
1d
revised Computing $\sqrt[3]{1\,}$
edited title
1d
answered Perfect numbers
1d
revised Bilinear transformations
fixed tags (and cleaned up some formulas)
1d
reviewed Close Why Zero divided by Zero is undefined and not Infinity
1d
revised Integer solutions to $ab=a+b$
added 20 characters in body; edited tags; edited title
1d
revised Verifying Cauchy-Riemann equations for $f(z) = \bar{z}^2/z$ at the origin
Capitalization and minor cleanup
1d
answered Verifying Cauchy-Riemann equations for $f(z) = \bar{z}^2/z$ at the origin
2d
comment Maximal Modulus Principle Theorem for a Compact Set
Your textbook doesn't include a proof? (There are several reasonable ways to prove this, depending on which order the author prefers to do things.)
Aug
25
comment How do you work out ABSI using it calculations
This seems to have nothing at all to do with complex-analysis, and without additional details it seems hard to tag it correctly.
Aug
21
answered Showing an analytic function on the unit disk is identically zero