第1个回答 2013-01-16
这是个线性映射
T(X1,X2)=X1(1,2,3)+X2(4,5,6)
T(Y1,Y2)=Y1(1,2,3)+Y2(4,5,6)
从而T(aX1+bY1,aX2+bY2)=(aX1+bY1)(1,2,3)+(aX2+bY2)(4,5,6)=a(X1(1,2,3)+X2(4,5,6))+b(Y1(1,2,3)+Y2(4,5,6)); 从而是线性映射
设A1=(1,2,3)A2=(4,5,6)
T(X1,X2)=X1A1+X2A2=(X1,X2)(A1;A2)
从而对应的变换矩阵是(A1;A2)