推 wayne2011 : detA=-2,detB=3,det(BA)=det(B)det(A)=3*(-2)=6 05/07 14:46
→ wayne2011 : det(A^t)=det(A),det(B^t)=detB,det(A)det(B)=det(A 05/07 14:48
→ wayne2011 : ^t)det(B^t)=det(A^tB^t)=det[(BA)^t]=det(BA). 05/07 14:49
推 wayne2011 : 頭推為-6才ok,總之兩矩陣"行列互換,其值不變." 05/07 15:22
→ joyfound : 感謝~ 05/09 13:20