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Mathematics
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K.K.McDonald's user avatar
K.K.McDonald's user avatar
K.K.McDonald
  • Member for 8 years, 8 months
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  • USA
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"Life can only be understood backwards; but it must be lived forwards."

Søren Kierkegaard

When you are that much badass in philosophy, that you trivially discover dynamic programming through it!

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question
7
constraints on the sum and product of roots of quadratic equation assuming less than unity roots
May 14
answer
5
Integral $\int_{0}^{\pi}\cot\left(at\right)\cot\left(bt\right)\cot\left(ct\right)\left(\sin\left(abct\right)\right)^{3}dt$
Aug 30, 2023
answer
5
How do I prove that $\det A_{n+2} = a \det A_{n+1} + b \det A_n$ for matrix $A$?
Apr 24, 2016
question
5
Approximating Lambert W-function as a fraction of logarithm
Dec 30, 2021
answer
5
Let $\mathbb{F}_2 \cong \mathbb{Z}/2\mathbb{Z}$. Is $x^4+x^2+1$ irreducible in $\mathbb{F}_2[x]$?
Mar 28, 2016
answer
4
Question involving de Moivre identity and writing $\cos4\theta$ in terms of complex numbers
Dec 25, 2019
answer
4
How do I solve this, do I have to continue calculating with rational fractions?
Feb 7, 2023
answer
4
Solution of the first order differential equation $y'=\frac{x(x^2+y^2)^2}{4y}$.
Mar 28, 2016
question
4
Expressing the convolution integral of scaled and translated arguments
May 18, 2022
answer
3
Calculate $\lim\limits_{x\rightarrow 0^+}x\log(1+x^{-1})$
Feb 18, 2020