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Mar
25
comment Euler characteristic equation for circle
i wonder if approximating the circle with a regular $n$-gon will work...
Mar
25
revised Find the volume of the areas bounded by following:
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Mar
25
revised Find $\lim_{a\to \infty}\frac{1}{a}\int_0^{\infty}\frac{x^2+ax+1}{1+x^4}\cdot\arctan(\frac{1}{x})dx$
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Mar
25
comment Counting nonidentity elements in a group
@snulty thanks, corected
Mar
25
revised Counting nonidentity elements in a group
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Mar
25
revised Which book or website do you recommend for self-learning calculus?
edited tags
Mar
25
answered Which book or website do you recommend for self-learning calculus?
Mar
25
answered Counting nonidentity elements in a group
Mar
23
revised Welch's procedure proof
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Mar
23
comment Proving Discreteness of the Harmonic numbers
@almagest we were using a different definition. I was taught that discrete means countable. You are using a different definition...
Mar
23
revised Proving Discreteness of the Harmonic numbers
added 7 characters in body; edited tags
Mar
23
answered Proving Discreteness of the Harmonic numbers
Mar
22
comment Can Levenberg-Marquardt be used to find a local minimum of a function?
MATLAB certainly uses Levenberg-Marquardt for straight minimization
Mar
22
revised determine the centre points of the circle
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Mar
22
answered determine the centre points of the circle
Mar
22
revised Sturm-Liouville operator with Dirichlet BC
edited tags; edited tags
Mar
22
revised Sturm-Liouville operator with Dirichlet BC
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Mar
22
comment Sum of $\sum \limits_{n=0}^{\infty} \frac{1}{(kn)!}$
sum diverges at $k=0$ and conveges to $\cos (ix)$ for $k=2$
Mar
22
comment a minoration of $P(X>x)$ with $X~N(0,1)$
could you please update the question with your own thoughts on the problem and we will be happy to guide you further.
Mar
22
revised a minoration of $P(X>x)$ with $X~N(0,1)$
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