algebraic operations

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21: 2.6 Distributional Methods

… ►It is easily seen that $K^{+}$ forms a commutative, associative linear algebra. …

22: 1.6 Vectors and Vector-Valued Functions

… ►Much vector algebra involves summation over suffices of products of vector components. … ►

Del Operator

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1.6.19 $$\nabla =𝐢\frac{\partial }{\partial x}+𝐣\frac{\partial }{\partial y}+𝐤\frac{\partial }{\partial z}.$$

ⓘ

Symbols:

$\frac{\partial f}{\partial x}$: partial derivative of $f$ with respect to $x$ , $\partial x$: partial differential of $x$ , $z$: variable, $𝐢$: unit vector, $𝐣$: unit vector and $𝐤$: unit vector

Permalink:

http://dlmf.nist.gov/1.6.E19

Encodings:

pMML, png, TeX

See also:

Annotations for §1.6(iii), §1.6(iii), §1.6 and Ch.1

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