线性代数 基础题 主要是看不懂题目啊..... 求高人指点?
Asetofmlinearequationsinnunknownshasthem*nmatrixAofcoefficientsandthem×l(column)vecto...
A set of m linear equations in n unknowns has the m*n matrix A of coefficients
and the m×l (column)vector h^T of right-hand sides. (Later We shall write this as Ax^T=h^T)
In each of cases (a) to (d) below,ansWer as many as possible of the following questions。
Can the situation occur?
If so, is the set of equations consistent?
If so, how many parameters has the solution?
a.m=9 n=r(A)=r(A:h^T)=4
b.m=n=7 r(A)=5 r(A:h^T)=6
c.m=5 n=7 r(A)=5 r(A:h^T)=3
d. m=3 n=4 r(A)=r(A:h^T)=5 展开
and the m×l (column)vector h^T of right-hand sides. (Later We shall write this as Ax^T=h^T)
In each of cases (a) to (d) below,ansWer as many as possible of the following questions。
Can the situation occur?
If so, is the set of equations consistent?
If so, how many parameters has the solution?
a.m=9 n=r(A)=r(A:h^T)=4
b.m=n=7 r(A)=5 r(A:h^T)=6
c.m=5 n=7 r(A)=5 r(A:h^T)=3
d. m=3 n=4 r(A)=r(A:h^T)=5 展开
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