definitions.

Subset
A set A is  a subest of set B, if and on if whatever is a member of A is also a member of B:
Subspace
(of a vector space) a subset of the elements of a vector space thqt is itself a vector space. the element has to contain the zero element of the space.
Kernal
aka - null or solution space
set of all vectors that are mapped into zero. Thus the null space of a matrix A consists of all vectors x such that Ax = 0. The dimensions of a null space is called the nullity.

wow. if only i had looked up these definitions at the start of the semester.
dear penguin dictionary of mathematics.


i love you.

nerd status suffienciently rising.