MATH 33A Lecture Notes - Lecture 1: Cartesian Coordinate System, Thx, If And Only If
Document Summary
A rectangle array of number is called matrix hxm n rows m columns ( one row row vector ) A matrix with only one column is called vector of entries. The set of all column vectors with n component is denoted by r " Cartesian space space ) representation of is arrow an a vector from the. L } ) in the origin to ex , y. Divide a row on the augmented matrix by a non zero or subtract a multiple of a row rows. I to 908,1341 reduced now - echelon form scalar from another row rrefc at. Theorem 1 solution ( infitdy many / exactly one) consistent. : at least one inconsistent no solutions iff. )=rref[" go: "g) =/ a matrix a is the number of leading. 143%1=26 (cid:15482) infinitely many ino solution exactly one (cid:15482) solution ran kca) hem men m n. Rank l alen rank ca ) em rank cai = h rank (a)
