2011年9月8日 · I think linear refers to the fact that vector spaces are not curved. For instance, the wikipedia page for linear spaces gets redirected to the page on vector spaces. So does the one at …

2011年3月18日 · For future reference, the table of mathematical symbols at wikipedia is fairly extensive and has a number of further references.

5 What exactly does 'linear' mean. For example, Hilbert space is a linear space. What is the difference between a linear and a 'non-linear' space. I am starting a self-study of linear algebra so this word is …

2013年12月14日 · What does it mean for a function to be well-defined? I encountered this term in an exercise asking to check if a linear transformation is well-defined.

2022年9月3日 · Now, what exactly does undefined mean? Because I've also noticed that most mathematicians tend to use "undefined" when interpreting a value that is approaching both infinity …

In programming terms, parameter is a name for a variable in function definition. When using the function, you give arguments. I tend to think that the general syntax in math is funcname (variable …

Taking the maximal number amongst the parameters. $\max\ {x_1,x_2\} = \cases {x_1, \text {if }x_1 > x_2\\x_2, \text {otherwise}}$ You can define like that the maximum of any finitely many elements. …

2014年12月28日 · In this language, I would define a definition to be a finitely generated formula (would you accept an infinitely long definition of something?) of set theory that is legitimate according to the …

2015年7月24日 · There is no standard meaning of "between"; either of the two definitions you suggest is possible. Sometimes "strictly between" is used to mean the version with strict inequalities. The word …

2020年5月16日 · "Kernel" is an old-fashioned term for the function you use to define certain integral operators. (I assume this is the sense you mean, not the more common modern sense, which is …