code_ista

abaqus子程序学习资料，欢迎大家下载学习，共同讨论~(ABAQUS subroutine learning materials)

电磁计算用的快速多级子算法，欢迎大家下载交流(Fast multilevel sub algorithm for electromagnetic computation)

说明：  一阶，二阶，三阶，四阶，显式与隐式龙格库塔方程求解常微分方程的matlab代码(Matlab code for solving ordinary differential equations of first, second, third, fourth, explicit and implicit Runge Kutta equations)

复数的四则运算完整版，包括加减乘除，阶乘，开方等。。。(The plural arithmetic full version,, including addition, subtraction, multiplication, and division factorial, prescribing, etc...)

说明：  积分公式(用锲比雪夫多项式构造积分点公式)(integral formula(using the Cheb. polynomial integral point) )

层次分析法确定权重必备，是一款实用的小软件(AHP to determine the weights necessary, is a small software utility)

Compute isotherms in quad

SPH计算泊肃叶流动,利用周期边界条件和虚拟粒子固壁条件(SPH Code for poiseuille Flow by peoriodic boundary condtion)

用SSF算法精确的求解了描述超短脉冲在光纤中传输的非线性薛定谔方程，对于光电子光通信的同行较有参考价值。(With the SSF algorithm for solving accurately describing the transmission of ultrashort pulses in optical fiber nonlinear Schrö dinger equation, for optoelectronic and optical communications counterparts more reference value.)

ANSYS 分析一座预应力连续刚构桥的命令流，很实用哦(ANSYS analysis of a prestressed continuous rigid frame bridge command stream, and very practical!)