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Mathematics
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Fred
  • Member for 7 years, 9 months
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  • KIT, Karlsruhe, Germany
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64
Possible definitions of exponential function
Nov 7, 2018
41
How to prove that if the determinant of the matrix is zero then at least one eigenvalue must be zero?
Jun 25, 2018
37
What is an intuitive approach to solving $\lim_{n\rightarrow\infty}\biggl(\frac{1}{n^2} + \frac{2}{n^2} + \frac{3}{n^2}+\dots+\frac{n}{n^2}\biggr)$?
Jul 27, 2017
32
Do $AB$ and $BA$ have the same eigenvalues?
Nov 25, 2016
20
If two matrices have the same determinant, are they similar?
Dec 11, 2017
20
Does the logarithm satisfy any differential equation?
Jul 26, 2019
18
Does every linear operator have a minimal polynomial?
Dec 16, 2016
14
Proving $\operatorname{rank}A =\operatorname{rank}B$ when $AB = 2A + 3B$
Jul 18, 2019
14
Can we prove "If $A = B$ then $C=D$" by assuming $C=D$ and showing $A=B$?
Oct 25, 2016
13
Calculating value of function at middle of interval, given integrals of the function on the interval.
Jun 9, 2020