全参数模板在FDTD数值算法下．微带天线方向系数、半空间方向函数、输入阻抗、驻波比、固定方位角的极化轴比的计算方法。-template parameters in the whole FDTD numerical algorithm under. Microstrip antenna factor, half-space direction function, input impedance, VSWR, fixed azimuth of polarization axis ratio calc

半正定矩阵cholesky方法将其分解为两个上下三角矩阵相乘的形式。matlab自带的函数只能分解正定矩阵。并且给出例子。-Semi-definite matrix cholesky method be decomposed into two upper and lower triangular matrices form. matlab built-in function can only be positive definite matrix decomposition.