jkn

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Brilliant answers:

Is $dy/dx$ not a ratio?


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1d
 comment Which real functions have their higher derivatives tending pointwise to zero?
@JohnBentin yes you are right - I dunno what I was thinking.
2d
 revised I want help with $4\times 4$ symmetric matrix
Grammar, spelling, math formatting.
2d
 suggested suggested edit on I want help with $4\times 4$ symmetric matrix
May
18
 suggested suggested edit on How do I work out what percent of my customers will be girls and what percent will be boys?
May
17
 comment What are the two main ways to prove that a matrix $\Bbb R^{n\times n}$ is definite positive.
Have you had a look at the entry of wikipedia about this?
May
17
 revised What are the two main ways to prove that a matrix $\Bbb R^{n\times n}$ is definite positive.
Improving grammar.
May
17
 suggested suggested edit on What are the two main ways to prove that a matrix $\Bbb R^{n\times n}$ is definite positive.
May
17
 answered Please help finishing the calculation to find the Entropy of Pareto distribution.
May
17
 revised Please help finishing the calculation to find the Entropy of Pareto distribution.
Math formatting.
May
17
 suggested suggested edit on Please help finishing the calculation to find the Entropy of Pareto distribution.
May
17
 comment Please help finishing the calculation to find the Entropy of Pareto distribution.
don't worry about it - we all had learn how to use it at some point!
May
17
 comment Please help finishing the calculation to find the Entropy of Pareto distribution.
Do you know about MathJax?
May
17
 revised Hypothesis testing from negative binomial data
General tidying up.
May
17
 reviewed Reviewed Hypothesis testing from negative binomial data
May
17
 suggested suggested edit on Hypothesis testing from negative binomial data
May
17
 awarded  Constituent
May
17
 comment Second order differential equation question.
Glad it was of any use.
May
17
 revised Find $y$-Lipschitz constant
I believe that the author wrote $\geq$ where they meant to write $\leq$.
May
17
 suggested suggested edit on Find $y$-Lipschitz constant
May
17
 revised Basic question about $\sup_{x\neq 0}{} \frac{\|Ax\|}{\|x\|} = \sup_{\|x\| = 1}{\|Ax\|} $, $x \in\mathbb{R}^n$
deleted 21 characters in body
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