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  • 33 votes cast
Apr
29
comment $\int_{-\infty}^{\infty}pe^{-tp^2} = 0$?
Ok thanks. Would it also be ok to say the $p$ is odd, $e^{-tp^2}$ is even, and hence the integrand is odd. Therefore the integral over $-\infty$ to $\infty$ is $0$?
Apr
29
asked $\int_{-\infty}^{\infty}pe^{-tp^2} = 0$?
Feb
23
awarded  Popular Question
Jan
10
comment How does Matlab, Maple, etc…solve algebraic and differential equations internally?
I don't see anything in that link about differential equations are solved.
Jan
10
asked How does Matlab, Maple, etc…solve algebraic and differential equations internally?
Dec
18
awarded  Yearling
Nov
2
revised $E[X_n|X_{n-1}] = E[E[X] \cdot X_{n-1}]?$
added 110 characters in body
Nov
2
comment $E[X_n|X_{n-1}] = E[E[X] \cdot X_{n-1}]?$
Fixed the typo(s).
Nov
2
asked $E[X_n|X_{n-1}] = E[E[X] \cdot X_{n-1}]?$
Sep
23
comment Maximum value for $x(t)$ in $x(t) = -\frac{1}{2}gt^2 + vt$
Well $v$ is a function of $t$ is it not? Ie. velocity...
Sep
23
revised Maximum value for $x(t)$ in $x(t) = -\frac{1}{2}gt^2 + vt$
added 194 characters in body
Sep
23
asked Maximum value for $x(t)$ in $x(t) = -\frac{1}{2}gt^2 + vt$
Sep
18
accepted Intuition behind divergence?
Sep
18
comment Intuition behind divergence?
Cheers, I see it now, obviously there was a little bit more going on that I first thought. Would you mind posting the code for the flow diagrams so I could try out some variations myself to get a feel for them?
Sep
18
asked Intuition behind divergence?
Sep
15
awarded  Popular Question
Sep
11
asked $\nabla \times \underline{v}$ - Results in a vector perpendicular to these two vectors?
Sep
11
comment $(1, 1) \cdot (6, 0) = 6?$ Intuition?
Well it scales it, but what is the intuition behind the scaling? It seems we are no longer dealing with straightforward projection of $a$ onto $b$...
Sep
11
comment $(1, 1) \cdot (6, 0) = 6?$ Intuition?
Well I already have that from above, it gives 6. I don't know what this means thought.
Sep
11
asked $(1, 1) \cdot (6, 0) = 6?$ Intuition?