Computational Physics 2007 Rachael Padman ­ rp10001@cam.ac.uk 4-Oct-2007 Computational Physics 2007 1 Structure of the course · General advice about the course, introduction to programming · Introduction to Fortran (~1 lecture) · Numerical methods ­ 5 topics, relating to the five problems (~6 lectures) · Advanced topics (only if time) PLUS · Self study (in PWF or connect to server) 4-Oct-2007 Computational Physics 2007 2 Why... bother? ... 4-Oct-2007 program table implicit none ! ...

PROGRAM SUMMATION ! Summation forwards and backwards of 1/n^2 IMPLICIT NONE INTEGER :: N, NMAX CHARACTER :: ANSWER REAL :: SUM_SP, TEMP DOUBLE PRECISION :: SUM_DP INTEGER, PARAMETER :: QUAD = SELECTED_REAL_KIND(20,1000) REAL(KIND=QUAD) :: SUM_QUAD SUM_SP = 0.0 SUM_DP = 0.0D0 SUM_QUAD = 0.0_QUAD 1 WRITE(*,'(A)', ADVANCE='NO') 'How many numbers do you wish to add? ... 10) THEN WRITE(*,*) 'Too few numbers!' GO TO 1 ELSE IF (NMAX .GT. 100000000) THEN WRITE(*,*) 'Too many numbers!' ...

Function: ftsi_puti Purpose: Write integer data to FITS tape. Category: FITS File: fts_io.c Author: Peter Roelfsema Use: INTEGER FTSI_PUTI ( MTID input INTEGER, ARRAY input INTEGER ( >ARRLEN ), ARRLEN ) input INTEGER. ... Description: Fills tape with integers. The integers are checked to be in range as defined by bitpix. If not a BLANK is put on tape instead of the integer. Returned is the number of integers accepted for copy to tape or a negative number for an error indication. ...

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... The begining of program -- Target function: a * b with TEXT_IO ; use TEXT_IO ; procedure EXAMPLE is package IO_INT is new INTEGER_IO ( INTEGER ) ; use IO_INT ; r,b,a: INTEGER ; begin put ( Enter unsigned number 'b', please ... unsigned number 'a', please: ) ; get ( a ) ; declare VAR0 , VAR1 : INTEGER ; begin VAR0 := a; VAR1 := b; declare VAR3 , VAR2 , VAR4 : INTEGER ; begin VAR3 := 0 ; VAR2 := VAR0 ; VAR4 := VAR1 ; while VAR2 /= 0 loop begin if ...

pro save_event,event COMMON all,draw1,draw2,cont1,cont2,savename widget_control ,event.id,get_ uvalue = uvalue case uvalue of 'OK1': begin widget_control ,draw1, get_value =val1 wset,val1 x=tvrd() widget_control ,savename, get_value =name write_gif,name(0),x widget_control ,event.top,/destroy end 'OK2': begin widget_control ,draw2, get_value =val2 wset,val2 x=tvrd() ...

... PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Testing the non-universality of the low-mass end of the Initial Mass Function in massive Early-Type Galaxies . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... The stellar initial mass function (IMF) in early-type galaxies and the internal distribution of their dark and luminous mass are two of the deepest and most puzzling open issues in modern astrophysics, each of great importance to our understanding of galaxy formation. ...

... int feof(FlLE *file_pointer) - Check if end of file occurred on a stream. int ferror(FlLE *file_pointer) - Check if any error occurred during file I/0. int fflush(FlLE *file_pointer) - Write out (flush) buffer to file. int fgetc(FlLE *file_pointer) - Get a character from a stream. int fgetpos(FlLE *file_pointer, fpos_t current_pos) - Get the current position in a stream. char *fgets(char *string, int maxchar, FILE *file_pointer) - Read a string from a file. ...

pro cormdiff,list,dir ; ;procedure to take difference of R2-R1 in CorMASS file (plane002 - plane001) ;and write difference to IRAF directory with new filename. ... Required because CorMASS data is ; unsigned integer. Without making the data floating point ; the differencing of the planes cause integer overflows ; for the '00 version of NASA's readfits.pro. ...

OSSERVATORIO ASTROFISICO DI ARCETRI CENTRO PER L'ASTRONOMIA INFRAROSSA E LO STUDIO DEL MEZZO INTERSTELLARE LARGO ENRICO FERMI, 5 -- I­50125 FIRENZE Firenze, September 30, 1994 FROM: C. Baffa TO: Tirgo Staff SUBJECT: Data handling with Tirgo Nicmos3 instruments All data taken with Tirgo Nicmos3 instruments (Arnica and Longsp) are stored directly as standard FITS files at 16 bits integer format. ... The acquisition program never rewrites over an old file. ... An example in table 1. ...

... serial . ... my $ ret ; open(SP, system_profiler $SPtype -xml| ); while( SP ) { if (/^\s* \?xml /) { next; } if (/^\s* !DOCTYPE /) { next; } if (/^\s* plist /) { next; } if (/^\s* \/ plist /) { next; } $ ret = makeobj($_); # print ret =$ ret -- $_\n ; } close(SP); return $ ret ; } sub makeobj { local ($_)=shift(@_); if (/\s* array /) { return ( array ); } elsif (/\s* dict /) { ...

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Next: ATLAS - A General Search Service for Complex Data Collections . ... The archive data is stored in databases that are published online as SkyNodes. ... If we would like to load this data in a database, we'll have to create a representation of the survey data types suitable for our database system. ... The Data Release includes 3 different type of ``catalog" (Point Source Catalog, Extended Source Catalog, ScanInfo), which makes the database schema more complex (Fig. ... 2QZ (full catalog) . ...

|Disc number |Angle between the disc and the "?" | | |line | |1 | | |2 | | |3 | | |4 | | |5 | | |6 | | |7 | | |8 | | |9 | | |10 | | Measuring angles Using the Orrery, look at one of the planet discs. Putting one end of a ruler or stick on the centre of the Sun disc and the other end in the centre of the planet disc, measure the angle between the line with the symbol: Write your angles in the table below. The planet I have chosen to measure is .....................

... Сегодня: 10 апреля 2016 г. Компания "ParallelGraphics" ( www.parallelgraphics.com) будет следить за последними часами существования орбитальной станции "Мир", одного из самых успешных космических проектов в истории, когда 20 марта она завершит свой пятнадцатилетний полет вокруг Земли. ... Компания ParallelGraphics разработала проект The End of MIR, используя новейшие научные данные, полученные из НАСА. ... Тремерный интернет-проект компании ParallelGraphics: The End of MIR . ...

Astronomy Picture of the Day . NGC 3603: From Beginning To End . ... You-Hua Chu ( UIUC ), NASA Explanation: From beginning to end, different stages of a star's life appear in this exciting Hubble Space Telescope picture of the environs of galactic emission nebula NGC 3603 . ... Publications with keywords: nebula - star formation - planet formation - supernova . Publications with words: nebula - star formation - planet formation - supernova . ... Star Formation in the Tarantula Nebula . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... этих параметров графическое изображение и наблюдение за маятником неудобны (+ защита от дурака ) Поскольку интервал времени между двумя ближайшими расчетными точками в 300 раз меньше среднего периода колебаний ( T (300мс), то можно утверждать о достаточно ... высокой степени совпадения вычисленной и реальной кривых. [pic] Dim dx, g, sx, sy, xi, yi, vy, vx, xx, k, m, cosa, sina, Fy, Fx, i As Integer Dim Ind As Boolean 'Определяем переменные Private ...

... Задача 2 uses crt; var Glavi, Tomi ,I, Max , Maxx ,J,Ng,S:longint; Glav , Tom :array[1..100] of longint; procedure Tur; var I,S,J:longint; begin if Tom [1]=Glavi- Tomi +1 then Tom [1]:=0 else begin I:= Tomi ; S:=0; while Tom [I]=1 do begin S:=S+ Tom [I]; dec(I); end ; S:=S+ Tom [I]; dec(S); inc( Tom [I-1]); for J:=I to Tomi -1 do Tom [I]:=1; Tom [ Tomi ]:=S- Tomi +I; end ; ...

UFO Forum Message . ... End Times, UFO's, World Powers Deals With The Devil! ... We urge those who wish to obtain Eternal Life in Christ's Kingdom to read the following very important message: An Important End Times Message . For additional End Times information also visit: End Times Truths Revealed . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...