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 Jun 7 asked What are some results that shook the foundations of one or more fields of mathematics? Jun 2 awarded Popular Question May 4 awarded Popular Question Apr 28 awarded Popular Question Feb 19 revised Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$? edited body Feb 19 revised Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$? added 694 characters in body Feb 18 revised Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$? added 55 characters in body Feb 18 comment Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$? @ThomasAndrews yes that's right Feb 18 asked Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$? Feb 10 comment Is closed unit disk in $R^2$ be a vector space ? @RobertIsrael what if we consider the open unit disc? Feb 9 comment What kind of algorithm might solve this type of optimization problem? Very nice. I like to think I would have eventually made the observation about the sum of the terms, but thank you very much for being smarter than me. Feb 9 accepted What kind of algorithm might solve this type of optimization problem? Feb 6 revised What kind of algorithm might solve this type of optimization problem? added 156 characters in body Feb 6 asked What kind of algorithm might solve this type of optimization problem? Feb 2 awarded Popular Question Jan 23 awarded Notable Question Dec 15 accepted How can I recursively approximate a moving average and standard deviation? Dec 11 revised How can I recursively approximate a moving average and standard deviation? added 10 characters in body Dec 11 asked How can I recursively approximate a moving average and standard deviation? Nov 25 asked Are these two definitions of the natural numbers equivalent?