--- title: "01-Vector-Spaces-and-Subspaces" aliases: tags: - lecture - math202 sr-due: 2022-07-14 sr-interval: 3 sr-ease: 250 --- - [pdf](https://www.maths.otago.ac.nz/webdata/resources/math202/2022_S2_Outline_Notes/Ch1.pdf?m=1657334841) - a vector space is a set whose elements conform to the eight axioms of scaling and additiveness - e.g., - ℝ², ℝ³, P₃ - In this course we focus on three main vector spaces - ℝⁿ, Pₙ, $M_{m\times n}$ - a vector subspace is a subset of a vector space whose elements (which are vectors) are additively and multipicatively closed and contain the zero vector