Boltzmann

用Monte-Carlo方法解决二维Ising模型(Monte-Carlo method used to solve two-dimensional Ising model)

求解非线性方程。调用格式x=fmincon（fun，x0,A,b,Aeq,beq,VLB,VUB)(For solving nonlinear equations. Call the format x = fmincon (fun, x0, A, b, Aeq, beq, VLB, VUB))

信号提取，fft变换，模态分析，互相关分析(fft)

一些关于数学思想应用的matlab代码，以供大家学习分享；(The application of mathematical ideas about matlab code for them to learn to share )

牛顿迭代求根法和牛顿-steffensen加速法(Newton method for root-solving problems. Newton-Steffenson is also included.)

MATLAB的希尔伯特谱分析，导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)

Vortex flow around a square cylinder function method of numerical simulation

频谱分析,用于对等时间间距的序列进行频谱分析 很好的(Spectrum analysis for equivalent time interval sequence spectrum analysis is very good)

多项式拟合，最小二乘法，c++版本实现，运行环境vc6(Polynomial fitting)

c++运算符程序编写运用，包括+，-，*，/，>>,<<(c++ operator programming use, including+,-,*, /, > > , < < )