设A为n阶正定矩阵,a1,a2.am为n维非零列向量,且ai^TAaj=0,证明:a1,a2.am线性无关
设A为n阶正定矩阵,a1,a2.am为n维非零列向量,且ai^TAaj=0,证明:a1,a2.am线性无关
设A为n阶正定矩阵,a1,a2.am为n维非零列向量,且ai^TAaj=0(i≠j),证明:a1,a2.am线性无关(大
设a1,a2,a3,b均为n维非零列向量,a1,a2,a3线性无关且b与a1,a2,a3分别正交,试证明a1,a2,a3
设A使MN矩阵,秩A=n-4,a1,a2,a3,a4为齐次线性方程组AX=0的四个线性无关的解向量,证明a1,a1+a2
设a1,a2为n维列向量,A为n阶正交矩阵,证明[Aa1,Aa2]=[a1,a2]
设A为n阶矩阵,a1,a2,a3是n维列向量,且a1不等于0,Aa1=a1,Aa2=a1+a2,A
设n维向量组a1,a2,...,am线性无关,a1,a2,...,am,B线性相关,试用两种不同方法证明B可由,
a1.a2.a3为n维向量,向量组a1+a2.a2+a3.a1+a3线性无关,证明向量组a1.a2.a3线性无关
设a1,a2为n维列向量,A为n阶正交矩阵,证明:(1)[Aa1,Aa2]=[a1,a2] (2){Aa1}={a1}
设A为三阶矩阵,三维列向量a1,a2,a3线性无关,
线性代数证明题A为n阶矩阵,a1,a2,a3是n维向量,且a1不等于0,Aa1=a1,Aa2=a1+a2,Aa3=a2+
设A为三阶矩阵,三维列向量a1,a2,a3线性无关,且满足Aa1=2a1+a2+a3,Aa2=2a2,Aa3=-a2+a