數(shù)學(xué)專業(yè)畢業(yè)論文--常數(shù)變易法的幾個(gè)常見應(yīng)用(參考版)
2025-01-19 16:07本頁面
【正文】 First order nonlinear differential equations。 例（在方根中的應(yīng)用）解方程解：把“4”看作是變量t，則原方程可化為 運(yùn)用十字相乘法解得 把“4”代回去得 ①當(dāng)，解得②當(dāng)，無解原方程的解為參考文獻(xiàn)：[1] 王高雄、周之銘、[M].北京:高等教育出版社,[2] 鐘益林、彭樂群、MATLAB求解[M].[3] 劉九方，[J] .[4]王輝、[J].中學(xué)數(shù)學(xué)月刊..2004年第4期Constant Variation Method Of Several Common ApplicationChenXiaoPing TUTOR： ChenShiPing(Dept of Teachers College Quanzhou 362000)Abstract: well known, constant variation method is used to solve the linear differential equation of a kind of effective method, then, what is constant variation method? In simple terms, is the constant variation for the method of undetermined function. Constant variation method is us
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