fft

INfix to postfix implementation in java

说明：  详细描述了通过卡尔曼滤波算法对GSP和imu数据进行融合(merge the gps and imu with the kalman)

DOA估计：最大熵算法、最小模算法、最小方差算法。输入： 快拍数据协方差矩阵R，观察范围内各方向导向矢量，三维矩阵phiyz。输出：最小方差谱估计矩阵P。(DOA Estimation: maximum entropy algorithm, the minimum norm algorithm, the minimum variance algorithm. Input: snapshot of the data covariance matrix R, the steering vector of each direction in the observed range of three-dimensional matrix phiyz. Output: the minimum variance spectral estimation matrix P.)

高斯消元法、高斯列主元消元法解线性方程组。程序由本人独立完全独立完成。版权所有！(Gaussian elimination method out PCA Gaussian elimination method for solving linear equations. I am independent program consists entirely independently. All rights reserved!)

浙江大学何晓飞写的数据降维基本算法，对初学者很有帮助(Zhejiang university HeXiaoFei wrote down the wiki data algorithm for beginners helpful )

用fortran编写的计算水凝胶变形的UEL(Written using fortran calculated deformation of the hydrogel UEL)

施威德勒球壳在ansys中的建模分析，APDL语言(Of Schwedler shell modeling in ansys, APDL language)

用三元组表为结构，实现稀疏矩阵的加法并输出。(Achieve sparse matrix addition)

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) )

ANSYS水压试验疲劳apdl，对学习apdl的人有很打帮助(ANSYS the hydrostatic test fatigue apdl, learning apdl there are playing to help)