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I'm doing my PhD in Computational Mathematics, Linear Algebra and Visualisation in Australia. Basically, I spend a lot of my day trying to find out what space I am in.


Dec
9
comment use fundamental theorem of calculus to find a function $f(x)$ and a number $a$
@Devin Since $a$ is constant, $a=4$ for all $x$ as described in the answer below.
Dec
9
comment use fundamental theorem of calculus to find a function $f(x)$ and a number $a$
Hint: To find $a$, what happens at $x=4$?
Dec
8
awarded  Caucus
Dec
1
awarded  Nice Answer
Nov
26
reviewed Reopen Markov chain Conditional Probability in stready state behavior
Nov
26
reviewed Reopen Do prove in vector space (about span and subspace)
Nov
26
reviewed Leave Closed Find the center and radius of polar circle equation
Nov
26
reviewed Leave Open How prove this diophantine equation $x^2+y^2+z^3=n$ always have integer solution
Nov
26
reviewed Reject Show that $\int_0^\infty \frac{\sin (\lambda x)}{e^x} \, \mathrm dx =\frac{\lambda}{1+{\lambda^2}}$
Oct
10
answered How do I find the normal equation for a plane in 4 dimensions
Oct
8
reviewed Leave Open Set of zeros of derivate - Lebesgue measure
Oct
8
reviewed Close How to solve a linear stochastic differential equation?
Oct
8
reviewed Leave Open Actually playable games based on graphs?
Oct
8
reviewed Close Consequences of irrationality of e
Oct
8
reviewed Leave Open Null of linear map, range of linear map in polynomial
Oct
8
reviewed Leave Closed How do I compute the determinant of (AA^T) where A is a not square
Oct
6
answered I need to find the smallest lambda for which $P(X\ge 2)=0.99$ when $X\sim \text{Poisson}(λ)$
Oct
6
answered Approximation of $T10$ for integral $\int_0^1\sin(x^2) dx$ Trapezoid Approximation
Sep
30
awarded  Explainer
Sep
24
awarded  Autobiographer