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tobias
  • Member for 11 years, 1 month
  • Last seen more than a month ago
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question
7
Sum of $\sin$ when angles shrink by $1/n$
Jan 17, 2021
question
6
Natural number solutions for equations of the form $\frac{a^2}{a^2-1} \cdot \frac{b^2}{b^2-1} = \frac{c^2}{c^2-1}$
May 5, 2020
question
5
Getting out a system of linear ODEs by knowing the Magnus expansion
Oct 5, 2015
question
5
Analytic approximations of smooth vector fields
Aug 12, 2020
question
5
Analytic functions where all derivatives vanish at infinity and which are bounded
Oct 4, 2020
question
5
What is the fastest algorithm for multiplying one given number with many others?
Oct 31, 2023
question
4
Is there a nice way to express a matrix exponential when rows are proportionally scaled?
Jun 25, 2017
question
4
Injectivity of product functions on natural number sequences
Sep 14, 2018
question
4
Higher-order derivatives of $(e^x + e^{-x})^{-1}$
Oct 4, 2020
question
3
Selecting the best choice for the smallest single appearing natural number
Sep 1, 2016
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8
R function solve.QP error "constraints are inconsistent, no solution!"
7
Most efficient way for general state generation