Max Malysh
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 Oct 22 awarded Popular Question Oct 14 revised Must a monotone function have a monotone derivative? fixed grammar Sep 15 accepted Algebraic structure for the floating-point arithmetic. Jul 22 revised Must a monotone function have a monotone derivative? Reworded Jul 18 comment Algebraic structure for the floating-point arithmetic. Well, nothing could be added to this?.. Jul 17 asked Algebraic structure for the floating-point arithmetic. Jun 3 accepted How many ways are there to represent the number $N$? Jun 3 comment How many ways are there to represent the number $N$? Ouch, that was a mistake. Fixed it. Jun 3 revised How many ways are there to represent the number $N$? added 8 characters in body Jun 3 revised How many ways are there to represent the number $N$? added 20 characters in body Jun 3 comment How many ways are there to represent the number $N$? But what about the 2nd or the 3rd part? I can try to reformulate these questions(if needed). Jun 3 comment How many ways are there to represent the number $N$? Well, that's what I got: rewrote equation $(1)$ in this way: $1091=10(100a_3+a_1)+(100a_2+a_0)$. $x=100a_3+a_1$, $y=100a_2+a_0$. Thus, $1091 = 10x+y. \ \ 0 \leq x \leq 109$. For every $x$ there is only one $y$, so we get $110$ ways to represent $N$. Jun 2 asked How many ways are there to represent the number $N$? Mar 18 accepted Find positive and negative indecies of inertia of a quadratic form Mar 17 revised Find positive and negative indecies of inertia of a quadratic form added 2 characters in body; edited title Mar 17 asked Find positive and negative indecies of inertia of a quadratic form Feb 23 comment A basis for a vector space Thank you for your answers and sorry for any inconvenience. My English isn't perfect at all as it is not my native language. Feb 23 accepted A basis for a vector space Feb 23 revised A basis for a vector space Rephrased Feb 23 asked A basis for a vector space