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  1. geometry - Calculating size of an object based on distance ...

    Then, if I solve for size using 5.7248 degrees at a distance of 3 feet I get 0.3, or 4.8 inches. The thing is is that that does not seem accurate to me. Perhaps my perception of distance is off, …

  2. Expectation of Minimum of $n$ i.i.d. uniform random variables.

    Apr 25, 2017 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …

  3. elementary set theory - Is there a "nice" measure on the rationals ...

    Apr 10, 2025 · So getting a result that we measure something the size of $\frac 19$ is not a contradiction unless we assume the "rational" size of $ [0,1]\cap \mathbb Q > \frac 19$.

  4. Is there a general formula for estimating the step size h in …

    Why should the step size depend on the point $x_0$? Two points might have the same neighborhood (e.g. for a periodic function, $f (x) = f (x + T)$ for some $T$) so their numerical …

  5. Compute the number of ways the frog can move from A to B.

    Aug 20, 2024 · A frog is travelling from point A $(0,0)$ to point B $(5,6)$ but each step can only be $1$ unit up or $1$ unit to the right. Also, the frog refuses to move three steps in the same …

  6. ordinary differential equations - Mathematics Stack Exchange

    Mar 21, 2014 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …

  7. Determining a value $k$ that gives a size = 0.05 test.

    Determine the value of k that gives a size 0.05 test. My attempt: The size of the test = significance level = $\alpha$ = 0.05 From my notes, I am told $\alpha = \pi (H_0)$, where $\pi$ signifies the …

  8. Optimal step size in gradient descent - Mathematics Stack Exchange

    May 9, 2018 · Optimal step size in gradient descent Ask Question Asked 12 years, 6 months ago Modified 7 years ago

  9. infinity - Are all infinities equal? - Mathematics Stack Exchange

    With those basic properties, and the assumption that $ (0,1)$ should have a finite size (this implies that a set consisting of a single number, i.e. a single point on the real line, has size …

  10. How many sides does a circle have? - Mathematics Stack Exchange

    My son is in 2nd grade. His math teacher gave the class a quiz, and one question was this: If a triangle has 3 sides, and a rectangle has 4 sides, how many sides does a circle have? My first