登录界面,输入用户名，如过用户名不正确则重新输入用户名，正确后进入密码输入；如果密码不正确则重新显示输入密码，正确后显示welcome！-Login screen, enter a user name, such as the username is incorrect, re-enter your user name, enter the correct password input if the password is incorrect, re-enter the password co

matlab里直接运行函数relase(a)就行了，a为系数 未修改的数据格式： 25 318.7293E+03 -1.473298E+03 3.298E+05 26 338.4979 -869.7491E+03 3.120E+03 修改后变为： 25,1,3.1873e+005 25,2,-1473.3 25,3,3.120E+01 26,1,338.5 26,2,-8.6975e+005 26,3,-5.6255e+00