摘要
本文提出了归一化主成份的概念和计算方法，并介绍了它的性质． 利用归一化主成份可以解决一类带有约束条件的降维问题． 最后给出了一个应用实例．
Thisarticle proposestheconceptofprincipalcom ponentofw eightsum foroneand com putational m ethod and introduces its quality as w ell. One type of dim ension reduced problem w ith bound condition can be solved by using the principalcom ponentofw eightsum for one. Finally, a practicalexam ple is given.
