El'endia Starman
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 Aug 28 answered Show that from a group of seven people whose (integer) ages add up to 332 one can select three people with the total age at least 142. Aug 3 asked On the hyperboloid model, if the point $\mathbf{v}$ gets translated to the origin, then where does the point $\mathbf{x}$ go? Jul 26 asked Why does the Pythagorean Theorem have its simple form only in Euclidean geometry? Jul 21 answered What's the right way to calculate hyperbolic distance on the hyperboloid model? Jul 21 asked What's the right way to calculate hyperbolic distance on the hyperboloid model? Apr 16 asked When (and why) did the convention that exponents are evaluated from right to left arise? Jan 7 asked How can I prove whether a $9\times 9$ square can be filled with L-shaped pieces in a completely “regular” way? Nov 29 asked What would a Steiner tree look like for the vertices of a heptagon? Nov 13 asked Is there any way to use a Fourier Transform or a variant to find periodic increases? Aug 15 asked Which is greater, $20 \uparrow\uparrow\uparrow\uparrow 20$ or $4 \uparrow\uparrow\uparrow\uparrow\uparrow 4$? Jul 29 asked Is the non-existence of a general quintic formula related to the impossibility of constructing the geometric median for five points? Jul 8 asked Subgroups of Sufficiently Large Symmetric Groups / Cayley's Theorem explanation Apr 3 asked What multigraphs are isomorphic to their dual graph? Nov 22 asked How can the trefoil knot be expressed in polar coordinates? Oct 30 asked Why am I getting half the correct answer by using Green's Theorem? Feb 1 asked Solutions of $\frac{1}{\cos \theta} = a \sin \theta - b$ Oct 3 asked How can the equation of a Bézier curve be transformed from a Bézier basis function to a bivariate function? Mar 16 answered Graph Theory - How can I calculate the number of vertices and edges, if given this example Feb 14 asked HAKMEM 39: Repetition-less digit strings Feb 2 answered Does the graph of $\cos x$ intersect the unit circle other than the point (0,1)?