Mathematics
Martin R's user avatar
Martin R's user avatar
Martin R's user avatar
Martin R
  • Member for 11 years, 2 months
  • Last seen this week
  • Germany
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All Questions Answers
Score Newest
answer
156
Why does this matrix give the derivative of a function?
Nov 22, 2015
answer
86
If a two variable smooth function has two global minima, will it necessarily have a third critical point?
Feb 13, 2021
answer
72
Taylor series for $\sqrt{x}$?
Jan 16, 2015
answer
29
What are the coefficients in the expansion of $(x+y)(x+2y) \cdots (x+ny)$?
Nov 7, 2018
answer
27
How to prove that adding $n$ to the numerator and denominator will move the resultant fraction close to $1$?
Feb 6, 2019
answer
27
Is the AM-GM inequality the only obstruction for getting a specific sum and product?
May 3, 2020
question
24
How large must $f(f(z))-z^2$ be in the unit disk?
Aug 5, 2021
answer
22
Are balls around a point always symmetric about the axes?
Jul 27, 2020
answer
21
Pair of functions with same values and same derivatives at distinct points
Nov 8, 2020
answer
20
Help to understand the generalization of the Argument Principle
May 29, 2016
Top Meta posts
7
10
35
Do we want accepted answers unpinned on Math.SE?
30
Are questions caused by typographical errors in a textbook on-topic?
23
Adding MathJax to the title of posts being edited - bad habit?
23
How many people voted in the 2021 Moderator Election?
21
How to see questions time line?
Top network posts
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993
How to check if an element is in an array
848
How do I concatenate or merge arrays in Swift?
675
What is the 'open' keyword in Swift?
572
How to provide a localized description with an Error type in Swift?
483
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int' warning

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