Posts Tagged ‘matlab’

Thermal numerical method:Improved Euler method

The idea of Euler method is to use an approximation yn stands for the real y(xn) and then use the inverse multiply  a step to calculate the yn+1. When we use a small step ‘h’, we will gain a curve similar to the real line. For more accurate, we improve the Euler method and it let us calculate with less works. » Read more

热工数值方法-改进尤拉方法

首先,什么是尤拉方法?尤拉方法的思想是利用近似值yn代替y(xn)的值,然后利用曲线倒数乘以一个设定的步长得出yn+1的值,当我们设定的步长比较小的时候,所得的拟合曲线便会有足够的精度,然而为进一步提高计算的精度,结合梯形方法即可以形成改进尤拉格式,这样在进行热工数值计算时能够使精度足够且计算量较小。

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