587 reputation
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bio website artscitech.blogspot.com
location Los Angeles, CA
age
visits member for 3 years, 7 months
seen 6 hours ago

Engineer by education, and an avid learner of higher mathematics, albeit an amateur.


1d
comment Find the derivative of $y = x^{\ln(x)}\sec(x)^{3x}$
Show some of your work. Where are you getting stuck?\
Sep
26
comment Would Evaluating a polynomial at uniformly random points outputs random values?
A polynomial exists over the entire real line. Is your uniform distribution bounded?
Sep
24
awarded  Autobiographer
Sep
23
comment Find the largest $\delta \gt 0$ such that $|{\sqrt{x - x^2} - 0}| \lt\epsilon$ when $1 - \delta \lt x \lt 1$.
Are we assuming that $f: \mathbb{R} \rightarrow \mathbb{R}$?
Sep
15
comment Proof of Laplace expansion using minors
Just curious, which book is this proof from?
Sep
15
answered $\vec{a} \times \vec{b} = \vec{c} \times \vec{d}$ . what can you say about the direction of $\vec{b} \times \vec{c}$?
Sep
5
comment Finding inverse of a general linear transform
@MattL. Good find. I think this is essentially a dupe then. Should I close it?
Sep
5
asked Finding inverse of a general linear transform
Sep
3
awarded  Nice Question
Aug
5
revised Linear Independence of Secant-squared or tangent-squared
Edited mathjax
Aug
5
suggested suggested edit on Linear Independence of Secant-squared or tangent-squared
Jul
31
accepted Why generalize the derivative for multivariable functions?
Jul
30
asked Why generalize the derivative for multivariable functions?
Jul
24
comment How to further simplify this equation?
A diagonal matrix is square by definition. What do you mean by $\Sigma$ is a diagonal $m \times n$ matrix?
Jul
9
comment Series for reciprocal of polylogarithm?
This is a very elegant approach, and very simple. Thank you!
Jul
9
accepted Series for reciprocal of polylogarithm?
Jul
8
comment Problematic Permutation Problem
@ThomasAndrews Is means that it ends up in the 696th place.
Jul
8
asked Series for reciprocal of polylogarithm?
Jul
7
comment Expectation and convolution question.
That are $e$ and $r$? And what does the double asterisk mean on the last line? Convolution with conjugate?
Jul
7
answered Nonlinear Matrix Equations