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[Fortran] 纯文本查看 复制代码 003 | integer :: i , j , n , status , m , f , k |
004 | real * 8 Xmin , Ymin , px , px 1 , average , yy , dt 1 , dt 2 , dt 3 , z , d 1 , p , c , d 2 , g , q , dt , err |
005 | real * 8 , allocatable :: X ( : ) , Y ( : ) , d ( : ) , h ( : ) , a ( : ) |
006 | real s ( 20 ) , t ( 20 ) , b ( 20 ) |
007 | open ( 10 , file = "E:\Fortran\task\2017.8.3\Console1\Console1\11.dat" , status = "old" ) |
010 | read ( 10 , * , iostat = status ) |
037 | px 1 = ( ( real ( n ) +1.0 ) / sum ( x * * ( ( 2.0 ) * f ) ) ) * * ( ( 1.0 ) / ( 2.0 * f ) ) |
041 | call hpir 1 ( x , y , a , n , m , dt 1 , dt 2 , dt 3 ) |
042 | write ( 9 , * ) ( i , a ( i ) , i = 1 , m ) |
044 | average = sum ( x ) / real ( n ) |
048 | h ( j ) = h ( j -1 ) + a ( i ) * ( ( x ( j ) - average ) * * ( i -1 ) ) |
050 | yy = max ( yy , abs ( y ( j ) - h ( j ) ) ) |
052 | if ( y ( j ) > h ( j ) + yy / real ( 2.0 ) ) then |
053 | y ( j ) = h ( j ) + yy / real ( 2.0 ) |
054 | elseif ( y ( j ) < h ( j ) - yy / real ( 2.0 ) ) then |
055 | y ( j ) = h ( j ) - yy / real ( 2.0 ) |
057 | call RMS ( i , y , d , n , err ) |
058 | if ( err < 1.0e-6 .or. j == 999 ) then |
064 | open ( 9 , file = "result01" ) |
065 | write ( 9 , 400 ) j , m , n , err , dt 1 , yy |
066 | 400 format ( 3 ( i 3.3 , 2 x ) , es 12.4 , 2 x , es 12.4 , 2 x , f 12.4 ) |
069 | subroutine RMS ( i , y , d , n , err ) |
072 | real * 8 , intent ( in ) :: d ( i ) , y ( i ) |
077 | err = err + ( d ( i ) - y ( i ) ) * * 2 |
083 | subroutine hpir 1 ( x , y , a , n , m , dt 1 , dt 2 , dt 3 ) |
084 | real * 8 x ( n ) , y ( n ) , a ( m ) , s ( 20 ) , t ( 20 ) , b ( 20 ) |
085 | double precision dt 1 , dt 2 , dt 3 , z , d 1 , p , c , d 2 , g , q , dt |
125 | s ( j -1 ) = - p * t ( j -1 ) + t ( j -2 ) |
128 | 40 s ( k ) = - p * t ( k ) + t ( k -1 ) - q * b ( k ) |
162 | if ( abs ( dt ) > dt 3 ) dt 3 = abs ( dt ) |
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