Ax=b 有唯一解
用\找結果
用Matlab算出列簡梯形形式 (reduced row-echelon form)
U of [A b]
How does the last column of U compare with the solotion x?
為啥他們會一樣?
To compare the two ,compute the difference U (:,7) -x or examine both using format long.
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幫幫我吧 matlab有些語法不太懂 我怕誤解題目的意思 所以把原文打出來了:D