[問卦] 工數微方的grouping method到底是啥?消失
安安 工數真他馬有夠難
Google了一下發現reddit的mathwork分區有個解微方的文章
除了代公式一個一個測試找積分因子之外 還有一個grouping method
可是這個grouping method我看三大名書Kreyszig、Zill、O'Neil
都沒有grouping阿
都馬帶公式慢慢找積分因子
阿這樣解一題帶3~4個公式找積分因子
不就噴10分鐘起跳?
到底grouping method是三小啊?
有沒有八卦
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