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用迭代法在MATLAB中实现（赫姆霍兹）Helmholtz方程组的求解(Solving Helmholtz equation set by iterative method in MATLAB)

求解工程结构动力反应的Welson-theta法的Matlab程序,包含实例(Matlab programs to solve engineering structural dynamic response using Welson-theta method，including an example)

spxy，用于校正集验证集划分，基于X、Y矩阵的校正集及验证的划分(Correction set verification set partition)

有两个代码文件，是分别计算微带贴片天线设计时背馈和侧馈两种情况下的天线尺寸的，很全很精确！(There are two code files, which separately calculate design of microstrip patch antenna fed back and the side-fed both cases, the antenna size, it is all very precise!)

TDOA定位定位Chan算法,CHAN算法,假设移动台与各基站位置较近,需进行三四WLS计算 输入参数: R(N-1×1): TDOA测量值 Pbs(N×2): 基站的坐标,第一列为X,第二列为Y 参考基站坐标位于第一行 输出参数: POS_ref(2X1):第一次WLS的估计结果,作为参考作最终定位结果的判决 POS1(2X1) :定位结果1 POS2(2X1) :定位结果2 POS3(2X1) :定位结果3 POS4(2X1) :定位结果4(TDOA Location positioning Chan algorithm)

MATLAB数值计算，matlab实现，与《matlab数值计算》一书配套使用。(MATLAB numerical calculation, matlab realize, with " matlab numerical calculation," a book supporting the use of.)

kalman滤波的实现,是关于二维内的实现(the output of kalman filter)

sparse in frequency domain

pegasis protocol for wsn

color to black white convertor