DEFINITIONS   YOU   NEED   TO   KNOW   FOR   MATH   360

 

A binary operation on a set S

A subset is closed under a binary operation

A binary operation is associative

A binary operation is commutative

An identity element for a binary operation

The inverse of an element under a binary operation with identity

 

A vector space

Vector subtraction

A subspace of a vector space

A line in a vector space

A plane in a vector space

 

A homogeneous system of linear equations

The trivial solution to such a system

 

A linear combination of a set of vectors

The span of a set of vectors / the subspace spanned by a set of vectors

A set of vectors spans the vector space

A set of vectors is linearly independent

A set of vectors is linearly dependent

A basis of a vector space

The dimension of a vector space

The coordinates of a vector relative to a given basis

 

Euclidean space,  Rn

M(m,n),  F(X)

C(X),  D(X),  D(n)(X),  P(X),  Pn(X)

 

An inner product

An inner product space

The norm of a vector in an inner product space

Two vectors are orthogonal

The angle between two vectors in an inner product space

The projection of one vector onto another

A unit vector

An orthogonal set of vectors

An orthonormal set of vectors

 

A linear transformation (function, map, operator)

The kernel and image of a linear transformation

The row space and column space of a matrix

The rank of a matrix

The rank and nullity of a linear transformation

An isomorphism and two vector spaces are isomorphic

 

 

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