搜索资源列表
zxexf
- 曲线拟合的最小二乘法 实验用例： 已知函数y=f(x)的一张表： x 0 10 20 30 40 50 60 70 80 90 y 68 67.1 66.4 65.6 64.6 61.8 61.0 60.8 60.4 60 试验要求：利用曲线拟合的线性最小二乘法求被逼近函数f(x)在点x=55处的近似值，并画出实验数据和直线-Method of least squares curve fitting of the experimental cases: known func
nd
- 本程序利用牛顿插值法对函数表，求出各阶均差值并通过输入x值得到函数值。例如（课本 ） 给出 的函数表 X 0.40 0.55 0.65 0.80 0.90 y 0.41075 0.57815 0.69675 0.88811 1.02652 均差求至4阶，并由此计算 的近似值 运行环境:C-Free -This procedure for the use of Newton' s interpolation function table, find the diffe
newton
- 利用Newton插值多项式 求被插值函数f 在点65 处的近似值.-Demand has been the use of Newton interpolation polynomial interpolation function f at the point 65 of the approximation.
prog
- ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~~~ 带用户界面的计算器----可以计算加法，减法，乘法和除法，但是不能计算 带括号的四则运算，运行时，依次输入一个两位数、运算符号和第二个两位数, 就能输出计算结果,例如：计算65+79，依次输入"65"、“+”、"85",但是该 程序如果要计算一位数，必须输入两个数字，如果要输入8，必须输入08才行 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Eular-Engineering
- Euler工程，相邻元素乘积最大。 给了一个20x20的两位数矩阵，其中的红字部分的积为： 26x63x78x14=1788696 那么，任意方向上（上、下、左、右、对角）4个相邻的数的最大乘积是多少？-In the 20x20 grid below, four numbers along a diagonal line have been marked in red. 08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 7
theta_160_crushing
- 一个Abaqus inp 文件, 基于论文Axial crushing of thin-walled structures with origami patterns, Thin-Walled Structures 54 (2012) 65–71 的算例, 模拟了带纹样正方形管的轴向静态压溃-An Abaqus inp file, based on samples of the paper, Axial crushing of thin-walled structures with origam
apso
- The Accelerated Particle Swarm Optimization: For detail, section Chapter 5 (section 5.3) in the book by Xin-She Yang, Nature-Inspired Metaheuristic Algorithms, First Edition, Luniver Press, (2008). Also in Chapter 8 (section 8.3, pag
局部最大熵形函数matlab程序
- 局部最大熵近似形函数matlab程序，主要用于无网格计算。 This set of Matlab functions computes the Calculation of the local maximum-entropy shape functions with Newton's method as described in section 4.2 of [1]. The core functions are shapef.m and Gamma_.m. The rest is pro