Is there a notation for element-wise (or pointwise) operations? For example, take the element-wise product of two vectors x and y (in Matlab, x .* y, in numpy x*y), producing a new vector of same ...

Submatrix Notation Ask Question Asked 13 years, 8 months ago Modified 13 years, 8 months ago

The notation ln to distinguish this special case is helpful especially for beginners. Two different set of rules for two different scenarios (log=log_10 and ln=log_e). Later on the can perhaps understand the …

Mar 5, 2011 · It's one common notation for stating that the left-hand side is defined as (in contrast to equal to) the expression on the right-hand side.

Sep 12, 2019 · What is the mathematical notation for rounding a given number to the nearest integer? So like a mix between the floor and the ceiling function.

Apr 2, 2017 · I usually write "for $i = 1,\dotsc, n$". I was always taught to try to avoid using $\forall$ when possible.

In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators Block.

They are integral parts of larger notations which don't have any individual formal meaning -- the fact that expressing the entire notation in English sometimes involves saying "such that" between the things …

Jun 23, 2015 · $\\mathbb Q$ is used to represent rational numbers. $\\mathbb R$ is used to represent reals. Is there a symbol or convention that represents irrationals. Possibly $\\mathbb R - \\mathbb Q$?

Jun 24, 2021 · I'm writing an assignment right now and getting into some quite lengthy derivations, which caused me to wonder about bracket notation in math and what is best practice. There are three …