- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
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 B
- What does versus mean in the context of a graph?
I would agree with the rule " [dependent] versus [independent] " The word "versus" can mean "compared with," and it more frequently makes sense to compare a dependent value with its associated independent value, because well, the independent variable doesn't really "care" about the existence of the dependent variable, but the converse relationship is by definition
- multivariable calculus - The meaning of $\lambda$ in Lagrange . . .
The meaning of $\lambda$ in Lagrange Multipliers Ask Question Asked 11 years, 7 months ago Modified 5 years, 7 months ago
- What is the meaning of $\exp (\,\cdot\,)$? - Mathematics Stack Exchange
What is the meaning of $\exp (\,\cdot\,)$? Ask Question Asked 13 years, 7 months ago Modified 2 years, 7 months ago
- What does the dot product of two vectors represent?
I know how to calculate the dot product of two vectors alright However, it is not clear to me what, exactly, does the dot product represent The product of two numbers, $2$ and $3$, we say that i
- inequality - Meaning of $\geqslant$, $\leqslant$, $\eqslantgtr . . .
What do slanted inequality signs mean? Specifically, these are $\\geqslant$, $\\leqslant$; and the variation: $\\eqslantgtr$, $\\eqslantless$ Is there any place I can look this up? I've searched Wik
- What is the meaning of Hermitian? - Mathematics Stack Exchange
Google search-bar gives the definition of Hermitian as: Hermitian: denoting or relating to a matrix in which those pairs of elements that are symmetrically placed with respect to the principal di
- integration - What is the meaning of $dA$ in double integrals . . .
What is the meaning of $dA$ in $\iint_E\dots dA$, where $E$ is a region in the $xy$ plane? In some integrals we use $dA=dx\,dy$, but in others $dA=\hat {k}\,dx\,dy$
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