[理工] [工數] 矩陣

[gn00648013 (大偉)]

請問這題怎麼算???感恩>_<

Find out what type of conic section the following quadratic form
                                                          T
represents.Transform it to principal axes.express [X1  X2]  in terms
                                     T
of the new coordinate vector [Y1  Y2]
      2           2
Q=17X1-30X1X2+17X2  =128



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→ iyenn:題意應該是要轉成標準式,看它是拋橢圓雙哪種.
推 kagato:i大!!!!!!!!@_@
→ honestonly:i大已經準備好明天當榜首了!!
→ iyenn:哪來的榜首.-,-
→ iyenn:交大都沒考到榜首了...
→ gn00648013:能不能解答案給我~我還是沒頭緒= ="
→ QQkimi:i大爆猛阿m(_ _)m 他電動打瘋了= ="
→ gn00618777:其他人都無意要幫原po...
→ honestonly:我有回文了..