Interactive Fortran 77
The aim of this book is to introduce the concepts and ideas involved in problem solving with Fortran 77 using an interactive timesharing computer system. The.
fortran 77 tutorial.pdf
Most lines in a Fortran 77 program starts with 6 blanks and ends before column 72 i.e. only the statement field is used. Note that Fortran 90 allows free
Professional Programmers Guide to Fortran77
07-Jun-2005 Fortran which make programming easier and programs more reliable. One of the attractions of Fortran77 is that a good free compiler exists in ...
Introduction to programming in Fortran 77 for students of Science
In this course we will use g77 (GNU Fortran) compiler which can be downloaded from the Internet for both Windows and MacOS. If you intend to use Linux
FORTRAN 77 4.0 Users Guide
Some of the material in this manual is based on the Bell Laboratories document entitled “A Portable Fortran 77 Compiler” by S. I. Feldman.
Numerical Recipes in FORTRAN 77
06-Feb-2017 Numerical recipes in Fortran 77 : the art of scientific computing ... Forman Acton whose 1970 textbook Numerical Methods that Work (New ...
Introduction to Fortran 90
At present an ANSI standard Fortran 77 program should compile successfully with any Fortran 90 compiler without change. However the structure of a Fortran
Introductory Fortran Programming
Gentle introduction to Fortran 77 and 95 programming. File I/O. Arrays and loops This course just get you started - use textbooks reference manuals.
Fortran 90 Handbook.pdf
Fortran 90 including those familiar with programming language concepts but unfamiliar with Fortran. Experienced Fortran 77 programmers will be able to.
Introduction to Programming with Fortran
18-Nov-2004 Another problem is backwards compatibility with Fortran 77. Existing Fortran 77 ... for many teachers to expand it into valuable textbooks.
IntroductiontoprogramminginFortran77
forstudentsofScienceandEngineeringRomanGrÄoger
Revision1.2(September27,2004)
1Introduction
bookisborrowedfromalibrary. guages: code. needthem. 1 lookslike. underLinuxorontheMacinyourlab. problemcanbesolvedmanydi®erentways. 22Settingupyourcommand-lineterminal
Terminal.Openupyourterminalwindow.
3Downloadandsetup
distributionofemacsforWindows. 3 thecommand renameemacs-*emacs oftheasterisk.Windows95/98/NT:
setPATH=%PATH%;c:\emacs\bin;c:\g77\bin setLIBRARY_PATH=c:\g77\libRestartyourmachine.
Windows2k/Me/XP:
on(underWindowsXP). c:\emacs\bin\runemacs.exe know.X(Jaguar/Panther)system.
4Introductiontoemacs
4 contextsensitiveindentationandlayout.4.1Notation
whichyoucan¯ndontheInternet.C-x=presstheCtrlkey,holditandpressx.
theend.RET=EnterorReturnkey.
SPC=thespacebar
ESC=theescapekey
4.2BasicEmacscommands
like:Emacs.
5Enter{newline
C-xC-s{savesthebu®er
C-xC-c{quitsemacs
C-a{jumptothebeginningofthecurrentline
C-e{jumptotheendofthecurrentline
M-f{moveforwardoneword
M-b{movebackwardoneword
M-<{movetothetopofthebu®er
M->{movetothebottomofthebu®er
C-d{deletethecharacteratthecursor
M-%{replaceforward
C-w{cutthetextfrombu®ertotheclipboard
C-_{undothelastchange
byclickingonfolders.4.3Emacsdocumentation
65IntroductiontoFortran77
5.1F77indentationrules
writingyourF77codes. understandwhatthecodereallydoes.Examplesofcommentedlines:
res=res*i enddo156res=res*i
Exampleofthelinebreak:
write(*,'("Factorialof",I3,"is",I5)') +number,res 7 choiceisuptoyou!5.2The¯rstF77program
mkdirc:\work cdc:\work mkdirwork cdworkFindfile:c:\work\
yourscreenshouldlookasfollows:Findfile:c:\work\fact.f
8 theFortranmode. programFACTORIAL !definitionofvariables integeri,res,number parameter(number=5) res=1 res=res*i enddo write(*,'("Factorialof",I3,"is",I5)') +number,res end above;moreonthisshortly. 9 partand,therefore,leavethenextlineblank. multiplicationstoredinres.Wrotec:\work\fact.f
section.5.3Compilingandrunningthecode
g77fact.f-ofact.exeFactorialof5is120
5.4Fortran77documentation
106FundamentalconstructionsofF77
6.1Structureoftheprogrampart
programMY_PROGRAM declarationofvariables de¯nitionofparameters initialde¯nitionofvariables instructionpart end6.2Declarationofvariables
11 integernumber,val realresult usedinyourcalculations. symbolicnamesizedescription byte1byteintegralnumbersfrom-128to127 character1byteonealphanumericcharacter character*NNbytesNalphanumericcharacters declaring: integervect(5) realmat(4,10),tmat(2,5,9) accordingly,e.g.tmat(1,3,7).6.3Implicitdeclarationofvariables
implicitnone 126.4De¯nitionofvariables
younottocountonit! count=0 result=5.3 flag=.false. univ='upenn'6.5De¯nitonofparameters
realpi,e parameter(pi=3.2415927,e=2.7182818)6.6Intrinsicfunctions
13 functiondescriptionSQRT(x)calculatesthesquarerootofx
EXP(x)raisesbaseetothexpower(ex)
REAL(x)convertstheargumenttoarealvalue
NINT(x)roundsxtothenearestintegervalue
ABS(x)calculatestheabsolutevalueofx
Á(x)=1
p2¼e¡x2=2 inarrayphi.Displaytheresults.Solution:
realphi(50),x,pi parameter(pi=3.1415927) x=-3.0 dowhile(x.le.3.0) phi(idx)=1.0/SQRT(2*pi)*EXP(-x**2/2.0) +x,phi(idx) x=x+0.2 enddo thecorrectaverageifsumwereoftypereal. 146.7do-enddoloops
F77automaticallysubstitutesstep=1.
Solution:
don=1,1e4,100 eval=(1+1.0/n)**n write(*,'("n=",I5,",e=",F6.4)') +n,eval enddo6.8dowhile-enddoloops
individualloop. dowhile(logicalexpression) statements enddo 15 accuracy"·10¡6.Solution:
eps=1.0e-6 xleft=0.0 xright=1.0 fmid=eps+1.0!executethefirstcycle dowhile(ABS(fmid).gt.eps) xmid=(xleft+xright)/2.0 fleft=xleft**3+4*xleft**2-1 fmid=xmid**3+4*xmid**2-1 fright=xright**3+4*xright**2-1 if(fleft*fmid.le.0)then xright=xmid else xleft=xmid endifquotesdbs_dbs3.pdfusesText_6[PDF] fortran 90
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