Fortran 77是一种编程语言,它是Fortran语言的一个版本。Do循环块是Fortran语言中的一种循环结构,用于重复执行一段代码。 概念: Do循环块是一种控制结构,用于在程序中重复执行一段代码。它由一个循环控制变量、起始值、终止值和步长组成。循环控制变量在每次循环迭代时递增或递减,直到达到终止值为止。 分类: Fortran...
FORTRAN 77 Language Reference DO TheDOstatement repeatedly executes a set of statements. DOs[,]loop-control or DOloop-control@ wheresis a statement number. The form ofloop-controlis variable=e1,e2[,e3] Parameter Description variable Variable of type integer, real, or double precision....
(i,j,k)和几乎Do-loop大约是i和j。i和j的大小大约是2000~3000,k正好是2,它意味着x,y。我的旧
y[n]'read(*,'(a1)') ynif(yn=='y'.or. yn=='Y')exityn_loopif(yn=='n'.or. yn=='N'.or. yn==' ')exitinteractive_loopenddoyn_loop!结束内嵌do循环enddointeractive_loopendprogramcylinder Fortran程序的主要结构就是这样了。一般还会有些module的部分在主函数前,函数在主函数后。 二、数据类...
The rules for theinitial-value,final-valueandstep-sizeare exactly the same as for aDOloop. An impliedDOloop may contain other impliedDOloops nested within. INTEGER NMAX PARAMETER(NMAX=10) REAL TEMPC(NMAX) WRITE(*,*)'Enter ',NMAX,' temperatures in Celsius' READ(*,*)(TEMPC(I),I=1,NMA...
A block DO loop consists of:DO statement Set of executable statements called a block Terminal statement, an END DO statement This loop is nonstandard.Execution proceeds as follows:The expressions e1, e2, and e3 are evaluated. If e3 is not present, its value is assumed to be one.The ...
1FORTRAN77四则运算符其中表示乘方在表达式中按优先级次序由低到高为:或或一一函数一2 FORTRAN7建量类型隐含约定:IN规则凡是以字母I,J,K,L,M,N六个字母开头的,即认为是整型变量,其它为实型变量。用类型说明语句确定变量
C MAIN LOOP - COMBINATION OF BISECTION AND FALSE AANX0668 C POSITION METHODS. A...
C MAIN LOOP - COMBINATION OF BISECTION AND FALSE AANX0668 C POSITION METHODS. A...
do循环,Fortran中的循环可以加标签,如d前面的interactive_loop就是标签! Prompt the user for radius and height and read them.write(*,*)'Enter radius and height.'!屏幕输出read(*,*,iostat=ierr)radius,height!键盘输入。isotat的值用判断输入成功否。! If radius and height could not be read from ...