Vector lengths

Vector Analysis, a textbook on vector calculus by Wilson, first published in 1901, which did much to standardize the notation and vocabulary of three-dimensional linear algebra and vector calculus
Vector bundle, a topological construction that makes precise the idea of a family of vector spaces parameterized by another space
Vector calculus, a branch of mathematics concerned with differentiation and integration of vector fields
Vector decomposition, a technique to convert a vector of Rn into several vectors, each linearly independent
Vector differential, or del, a vector differential operator represented by the nabla symbol ? \nabla
Vector Laplacian, the vector Laplace operator, denoted by ? 2 \nabla ^{2}, is a differential operator defined over a vector field
Vector notation, common notation used when working with vectors
Vector operator, a type of differential operator used in vector calculus
Vector product, or cross product, an operation on two vectors in a three-dimensional Euclidean space, producing a third three-dimensional Euclidean vector
Vector projection, also known as vector resolute or vector component, a linear mapping producing a vector parallel to a second vector
Vector-valued function, a mathematical function that maps real numbers to vectors
Vectorization (mathematics), a linear transformation that converts a matrix into a column vector

Other uses in mathematics and physics

Vector autoregression, an econometric model used to capture the evolution and the interdependencies between multiple time series
Vector boson, a boson with the spin quantum number equal to 1
Vector measure, a function defined on a family of sets and taking vector values satisfying certain properties
Vector meson, a meson with total spin 1 and odd parity
Vector quantization, a quantization technique used in signal processing
Vector soliton, a solitary wave with multiple components coupled together that maintains its shape during propagation
Vector synthesis, a type of audio synthesis
Witt vector, an infinite sequence of elements of a commutative ring