[理工] [線代]-求Az=b的解
T T
x = [x1 x2 .... xn] y= [y1 y2 ... yn] , A = xy
find all b for Az=b has solutions , find z
答案 y = yh + yp
yh 為 z = c1U1+c2U2+....+Cn-1Un-1
取b=αx , α = 任意常數
T
特解是[α/y1 , 0 , 0 .... , 0] ,yi≠0
請問特解怎麼來的呢..?!
謝謝
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