- Timestamp:
- 07/23/09 11:18:49 (15 years ago)
- File:
-
- 1 edited
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trunk/SRC/Documentation/idldoc_html_output/Matrix/make_selection.html
r338 r402 220 220 221 221 <h3>Examples</h3><div class="preformat"> 222 names = [ 'Alfred','Anton','Peter','John','Mary'] 223 index = MAKE_SELECTION(names,['Peter','Mary']) 224 print,index 225 ; prints 2 4 226 227 vals = indgen(20) 228 index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9]) 229 print,index 230 ; prints 9 -1 8 7 7 8 9 231 232 index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9],/ONLY_VALID) 233 print,index 234 ; prints 9 8 7 7 8 9 235 236 index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9],/REQUIRED) 237 print,index 238 ; prints -1 222 223 IDL> names = [ 'Alfred','Anton','Peter','John','Mary'] 224 IDL> index = MAKE_SELECTION(names,['Peter','Mary']) 225 IDL> print,index 226 2 4 227 228 IDL> vals = indgen(20) 229 IDL> index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9]) 230 IDL> print,index 231 9 -1 8 7 7 8 9 232 233 IDL> index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9],/ONLY_VALID) 234 IDL> print,index 235 9 8 7 7 8 9 236 237 IDL> index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9],/REQUIRED) 238 IDL> print,index 239 -1 240 241 IDL> index = MAKE_SELECTION(vals,[9,-5,8,7,7,8,9],/REQUIRED,/QUIET) 242 % MAKE_SELECTION: Selected name not found in names array (-5)! 243 IDL> print,index 244 -1 239 245 </div> 240 246 <h3>Version history</h3> 241 247 242 248 <h4>Version</h4><div class="preformat"> 243 $Id: make_selection.pro 3 25 2007-12-06 10:04:53Z pinsard $249 $Id: make_selection.pro 372 2008-08-08 12:31:53Z pinsard $ 244 250 </div> 245 251 <h4>History</h4><div class="preformat">
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