6自由度机器人Jacobian(雅克比)矩阵计算类！MLGetIdentityMat为获得单位矩阵 cvInvert取逆 MLMatMulti_3矩阵相乘没有给出定义请大家自己完成，其中cvInvert为OpenCV库函数！-A computal class for 6 degree of freedom robot Jacobian Matrix.MLGetIdentityMat is the function to get a Identity Matri.MLMatMulti_3 is to Multiply Matrix and cvInvert is to get a inverse Matrix.The three of these function was not gave. Please do it yourself!