; IDL Version 5.3 (OSF alpha) ; Journal File for hahn@mithra.physics.montana.edu ; Working directory: /home/hahn ; Date: Tue Jun 8 13:21:00 2004 a=30000 print, a ; 30000 b=20000 c=a+b print,c ; -15536 a=4.5 print,a ; 4.50000 b=double(4.5) print,b ; 4.5000000 arr=[1,2,3,4] arr2=[4,3,2,1] print, arr[2] ; 3 print, arr+arr2 ; 5 5 5 5 print, arr*arr2 ; 4 6 6 4 stars={star_name, Name:'alpha centauri a', $ spec_type: 'g2 V', coords:['14 38', '-60 44'], Distance: double(1.31)} help, stars, /struct print, stars.name ;alpha centauri a print, stars.coords[1] ;-60 44 replicate stars.name(3) ; % Syntax error. f=replicate(stars.name,3) print,f ;alpha centauri a alpha centauri a alpha centauri a arr2d=findgen(3,3) print, arr2d ; 0.00000 1.00000 2.00000 ; 3.00000 4.00000 5.00000 ; 6.00000 7.00000 8.00000 print,[2,1] ; 2 1 print, arr2d[2,1] ; 5.00000 ? x=5*3-16 print,x ; -1 xdoc