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7h
reviewed Close Show that $d(x,y)=\frac{|x-y|}{1+|x-y|}$ is a metric on $\mathbb{R}$ (triangle inequality)
7h
reviewed Close Problems with x/∞
1d
comment Is the Monte Hall Problem a Ludic Fallacy?
Are you familiar with conditional probability?
1d
reviewed Close special formatting for mathtype
1d
comment A dice is tossed 500 times, what is the probabioity of ‘1’ coming up 100 times?
Is the die six-sided? Is it a regular die (where 1 only appears once)?
1d
reviewed Close Banach space it isn't Hilbert space
1d
reviewed Close In the card came “Projective Set”, show that 7 cards do always contain a set.
1d
answered Solve these equations simultaneously (trig)
2d
reviewed Close Summation Proof Dealing With 3s Multiples
2d
reviewed Close For which values of the parameter $p$ the following series is convergent?
2d
reviewed Leave Open Solve these equations simultaneously (trig)
2d
comment What is the name of this book?
I'm so amused I'm upvoting the two other answers. :)
2d
comment What is the name of this book?
I used the search terms chapter 12 "affine transformations" site:www.maa.org
2d
revised What is the name of this book?
added 66 characters in body
2d
answered What is the name of this book?
2d
reviewed Leave Open $y''(X_n-(h/2)) + y''(X_n-(h/2))= 3y''_n/2+ 1/4( y''_{n+1} + y''_{n-1}) + O(h^4)$
2d
comment $y''(X_n-(h/2)) + y''(X_n-(h/2))= 3y''_n/2+ 1/4( y''_{n+1} + y''_{n-1}) + O(h^4)$
That's a nice equation. So what's your question?
2d
reviewed Close Prove $ \sum \frac{cos(n)} { \sqrt n}$ is bounded
Apr
16
reviewed Close Constructive Expectation
Apr
16
reviewed Close An example of a linear system that has a straight-line solution $[x(t), y(t)]$ such that $x(0) = -1$ and $y(t) = 2x(t)$ for all $t$