https://echo.ishian.me/categories/concrete-math/Recent content in Concrete Math on IshianHugoenFri, 01 Nov 2024 00:00:00 +0000https://echo.ishian.me/2024/11/01/concretemath-special-coefficient/Fri, 01 Nov 2024 00:00:00 +0000https://echo.ishian.me/2024/11/01/concretemath-special-coefficient/讲解二项式系数的性质、母函数运算及第二类斯特林数等特殊系数https://echo.ishian.me/2024/10/16/concretemath-rounding/Wed, 16 Oct 2024 00:00:00 +0000https://echo.ishian.me/2024/10/16/concretemath-rounding/讲解上下取整函数的性质、区间整数计数、谱系划分及均分分组等应用https://echo.ishian.me/2024/10/02/concretemath-summation/Wed, 02 Oct 2024 00:00:00 +0000https://echo.ishian.me/2024/10/02/concretemath-summation/讲解和式的表示方法与清单法、求和因子法、扰动法等求和技巧及多重和式https://echo.ishian.me/2024/09/21/concretemath-recursion/Sat, 21 Sep 2024 00:00:00 +0000https://echo.ishian.me/2024/09/21/concretemath-recursion/讲解递归函数与数学归纳法，分析汉诺塔、直线划分平面等经典递归问题