題組內容

Problem 3 (25%) 本問題共有(a)~(d)四個子題,除了(b)子題裡的 discus 之外,每個題都只要寫出提問的答案即 可(不須寫出答案背後的推導)。

(a) Describe the set of all 630880aea2b17.jpg vectors [a β y]T that satisfy the two conditions 630880e2eebe7.jpg, where N(●) and R(●) indicate the null space and the range of a matrix, respectively. (5%)