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bicg_sparse
程序用Fortran95标准，给出了双共轭梯度法求解超大型稀疏矩阵的子程序。还给出了一个例子，例子的数据用索引存储了维数将近10万的对称稀疏正定矩阵。(Using Fortran95, a method of Biconjugate gradient for super linear sysem is provied. In addition, a example with the storage type of row-column index is also provide for test these subroutines. )
- 2013-09-09 18:31:58下载
- 积分：1
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Matrix
矩阵计算，包括加减乘，反矩阵，python源码，可以直接使用(matrix calculation)
- 2012-03-09 11:13:12下载
- 积分：1
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minfit
实现最小二乘的仿真函数，有3次和9次多项式的拟合。(Realize the simulation of least squares function, has 3 times and 9 times polynomial fitting.)
- 2007-10-26 21:32:30下载
- 积分：1
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SVSLMS
计算改进型SVSLMS算法，在初始收敛速度，时变系统分析能力等方面优于传统的LMS算法(Improved SVSLMS calculation algorithm, the initial convergence rate, time-varying systems analysis capability is superior to the traditional LMS algorithm)
- 2011-06-16 17:51:03下载
- 积分：1
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zfft
FFT+FT连续细化傅立叶变换分析校正法
还请各位多多指教。
参考自丁康老师《离散频谱校正技术》
(FFT+ FT for Fourier transform analysis of detailed correction method is also called upon the exhibitions. Ding Kang reference from the teacher, " Discrete Spectrum Correction" )
- 2009-06-30 22:41:50下载
- 积分：1
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gmres
gmres 方法。视图求解线性方程组A*x=b的解x。nXn的稀疏矩阵A必须是方程且应是大型稀疏矩阵。列向量b的长度必须为n。(gmres method. View solving linear equations A* x = b the solution x. nXn sparse matrix A must be equation and should be large sparse matrix. The length of the column vector b must be to n.)
- 2013-09-13 16:29:56下载
- 积分：1
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NearToFar
该程序用fortran90编写，时域有限差分（FDTD)中的近远场变换方法。解决了电磁波后向散射中的RCS计算(FORTRAN90 prepared with the program, finite difference time domain (FDTD) in the near field to far field transformation method. Resolved backscattering of electromagnetic waves in the RCS calculation)
- 2008-06-07 19:21:59下载
- 积分：1
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Polynomial-arithmetic-calculation
计算多项式的加减乘除求值求根
在codeblocks中c++11标准下编译通过(caculate the polynominal
use codeblocks in c++ 11 standard)
- 2016-04-05 23:19:11下载
- 积分：1
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AR
说明： 使用时间序列分析AR方法对油价进行分析，以及预测。采用BIC准则进行判阶，最小二乘法进行参数估计(AR time series analysis using the method of price analysis and forecasting. BIC criteria used sentence order, the least square method for parameter estimation)
- 2009-06-08 09:19:56下载
- 积分：1
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lanczosfilter
说明： 对时间序列进行滤波，去掉噪声，得到平滑后的数据(Filters a time series via Lanczos method (cosine filter).)
- 2020-03-23 19:41:37下载
- 积分：1
