13-1概述(Introduction) 13-2杆件变形能的计算( Calculation of strain energy for various types of loading 13-3互等定理(Reciprocal theorems) 13-4单位荷载法·莫尔定理(Unit-load method mohr's theorem) 13-5卡氏定理(Castigliano's' Theorem) 13-6计算莫尔积分的图乘法(The meth od of moment areas for mohr's integration)
一、多项式(Polynomial) 1.多项式的表达与创建(Expression and Creating of polynomial) (1)多项式的表达(expression of polynomial) Matlab用行矢量表达多项式系数(Coefficient),各元素按变量的降幂顺序排列,如多项式为: