發送短信 : Rectangular coordinates state estimation of electrical power system using singular value decomposition

  _____      ___      ______     ___              
 |__  //    / _ \\   /_   _//   / _ \\      ___   
   / //    / //\ \\  `-| |,-   | / \ ||    /   || 
  / //__  |  ___  ||   | ||    | \_/ ||   | [] || 
 /_____|| |_||  |_||   |_||     \___//     \__ || 
 `-----`  `-`   `-`    `-`'     `---`       -|_|| 
                                             `-`