Mathematics
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Martin R
  • Member for 9 years, 10 months
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  • Germany
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All Questions Answers
Score Newest
answer
152
Why does this matrix give the derivative of a function?
Nov 22, 2015
answer
76
If a two variable smooth function has two global minima, will it necessarily have a third critical point?
Feb 13, 2021
answer
64
Taylor series for $\sqrt{x}$?
Jan 16, 2015
answer
28
What are the coefficients in the expansion of $(x+y)(x+2y) \cdots (x+ny)$?
Nov 7, 2018
answer
26
Is the AM-GM inequality the only obstruction for getting a specific sum and product?
May 3, 2020
answer
25
How to prove that adding $n$ to the numerator and denominator will move the resultant fraction close to $1$?
Feb 6, 2019
answer
21
Are balls around a point always symmetric about the axes?
Jul 27, 2020
answer
20
Pair of functions with same values and same derivatives at distinct points
Nov 8, 2020
answer
19
Show that $f'(c) +9 \int_{0}^{1/3} f(x) \, dx = 0$ for some $c$ if $\int_{0}^{1} f(x) \, dx = 0$
Mar 9, 2020
question
18
How large must $f(f(z))-z^2$ be in the unit disk?
Aug 5, 2021
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Do we want accepted answers unpinned on Math.SE?
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Are questions caused by typographical errors in a textbook on-topic?
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How many people voted in the 2021 Moderator Election?
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Adding MathJax to the title of posts being edited - bad habit?
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How to see questions time line?
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How to check if an element is in an array
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480
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int' warning

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