（）系统称作先进驾驶辅助系统。 A: ADAS B: APAS C: AFAS D: AHAS
（）系统称作先进驾驶辅助系统。 A: ADAS B: APAS C: AFAS D: AHAS
Outstanding salespeople like Mrs. Love （） helped make our company a leader in this field. A: Ahas B: Bhave C: Cis D: Dare
Outstanding salespeople like Mrs. Love （） helped make our company a leader in this field. A: Ahas B: Bhave C: Cis D: Dare
Tom（）since he lost his job three weeks ago. A: Ahas employed B: Bwas unemployed C: Chad been unemployed D: Dhas been unemployed
Tom（）since he lost his job three weeks ago. A: Ahas employed B: Bwas unemployed C: Chad been unemployed D: Dhas been unemployed
Which of the following statement is false? A: Ais an[img=49x19]1803b6abf33899a.png[/img]matrix.[img=66x23]1803b6abfb9f77f.png[/img]is a QR factorization ofA. The columns ofQform an orthonormal basis for the column space ofA. B: If A=QR, where Q has orthonormal columns, then[img=79x27]1803b6ac036f846.png[/img] C: Ahas a QR factorization, then A must be a square matrix. D: Any matrix can have a QR factorization. E: If a matrix A has a QR factorization, then the ranks of A and Q are the same.
Which of the following statement is false? A: Ais an[img=49x19]1803b6abf33899a.png[/img]matrix.[img=66x23]1803b6abfb9f77f.png[/img]is a QR factorization ofA. The columns ofQform an orthonormal basis for the column space ofA. B: If A=QR, where Q has orthonormal columns, then[img=79x27]1803b6ac036f846.png[/img] C: Ahas a QR factorization, then A must be a square matrix. D: Any matrix can have a QR factorization. E: If a matrix A has a QR factorization, then the ranks of A and Q are the same.