2018年7月21日 · This answer is a bit like Q “what does etc. mean” being answered with “etc. means et cetera.” I.e. factually correct but not really what the OP was seeking. If the OP knew …

2013年7月13日 · inf is infinity - a value that is greater than any other value. -inf is therefore smaller than any other value. nan stands for Not A Number, and this is not equal to 0. …

2020年3月7日 · Just wondering over here, what is the point of having a variable store an infinite value in a program? Is there any actual use and is there any case where it would be preferable …

2012年8月30日 · In R, I have an operation which creates some Inf values when I transform a dataframe. I would like to turn these Inf values into NA values. The code I have is slow for …

2019年10月2日 · I see it often in solution of some questions: $$ \\inf_x f(x,y) $$ as a next step of the solution usually I see something like this: $$ \\nabla_xf=0 $$ and then return $ x $ that …

2008年9月16日 · In Java, you often see a META-INF folder containing some meta files. What is the purpose of this folder and what can I put there?

2013年11月5日 · This means that WEB-INF resources are accessible to the resource loader of your Web-Application and not directly visible for the public. This is why a lot of projects put …

2022年9月6日 · For subsets of R R the only way for the inf to be ∞ ∞ is for the set to be empty, in which case any real number is a lower bound and so the supremum of all the lower bounds is …

2013年1月11日 · Most idiomatically consistent would be nan and inf but MATLAB offers you the alternative way of capitalizing NaN and Inf, the way you will find it everywhere else, like in …

2009年3月28日 · As far as I know, "INF" stands for "Information", as you said. It probably was named WEB-INF for similarity with the META-INF directory in JAR files. Sometimes the …