optimization

此程序为用于主成分分析的matlab程序，可以输出贡献率及画出二维散点图(this procedure for the Principal Component Analysis Matlab procedures can export contribution rate and the two-dimensional plot paint)

nearestSPD works on any matrix, and it is reasonably fast. As a test, randn generates a matrix that is not symmetric nor is it at all positive definite in general.

Matlab入门指导书，英文版，高级读者也可以参考。mathwork公司权威认可(Matlab Getting Started instructions, in English, advanced readers can refer to. mathwork company recognized authority)

在进行利用蒙地卡罗方法进行期权定价的时候，我们有很多减小方差的方法，下面是其中的两种。(During the use of Monte Carlo methods for option pricing, we have a lot of variance reduction method, the following two.)

一个简单的电力系统仿真计算程序，利用MATLAB语言中的SIMULINK来进行相关的仿真计算。(A simple program for power system simulation of power systems, It can be used for power system calculation.)

分别在射线理论和简正波理论下利用Bellhop和kraken模型计算声场分布，此程序可以修改所在模型中的场参数(And using respectively Bellhop kraken ray theory model in normal mode and the theoretical distribution of the sound field, this field can modify the parameters in the model where)

matlab实现huffman编码 1. norm2huff.m (encoder function) 2. huff2norm.m (decoder function) 3. frequency.m (private function) 4. huffcodes2bin.m (binary rapresentation of huffman codes) 5. huffman_bench1.m (benchmark) 6. huffman_demo1.m (demo file) 7. huffman_demo2.m (demo file) 8. huffman_test1.m (test file) 9. huffman_test2.m (test file) 10. huffman_docs.zip (documentation) 11. Disclamer.txt (this is the disclamer)(huffman coding matlab realize 1. norm2huff.m (encoder function) 2. huff2norm.m (decoder function) 3. frequency.m (private function) 4. huffcodes2bin.m (binary rapresentation of huffman codes) 5. huffman_bench1.m (benchmark ) 6. huffman_demo1.m (demo file) 7. huffman_demo2.m (demo file) 8. huffman_test1.m (test file) 9. huffman_test2.m (test file) 10. huffman_docs.zip (documentation) 11. Disclamer.txt (this is the disclamer))

monte carlo power flow in power system with the matpower

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潮流计算C++程序，计算ieee4 5 14 30 57 118 300(Power Flow calculation program)