- Timestamp:
- 09/21/07 10:14:31 (17 years ago)
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- 1 edited
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trunk/SRC/Documentation/idldoc_html_output/Utilities/undefine.html
r249 r290 89 89 <div id="file_comments"> 90 90 erase a variable 91 same thing like < proidl>delvar</proidl> but usable in a program and usable91 same thing like <a href="/Applications/rsi/idl_6.3/help/online_help/DELVAR.html">DELVAR</a> but usable in a program and usable 92 92 for one variable simultaneously 93 93 </div> … … 152 152 153 153 <h4>Version</h4><div class="preformat"> 154 $Id: undefine.pro 2 42 2007-04-06 08:35:17Z pinsard $154 $Id: undefine.pro 260 2007-08-20 15:24:57Z pinsard $ 155 155 </div> 156 156 <h4>History</h4><div class="preformat"> … … 158 158 <a href="http://www.dfanning.com"/> : 159 159 QUESTION: How do I make an IDL variable have a type "undefined"? 160 ANSWER: At the main IDL level you can use the IDL procedure < proidl>DELVAR</proidl> to160 ANSWER: At the main IDL level you can use the IDL procedure <a href="/Applications/rsi/idl_6.3/help/online_help/DELVAR.html">DELVAR</a> to 161 161 delete an IDL variable and make it undefined. Inside of procedures 162 and functions, I use this little program named <a href=". //UNDEFINE.html">UNDEFINE</a> that I got162 and functions, I use this little program named <a href="..//Utilities/undefine.html">undefine</a> that I got 163 163 from Andrew Cool at the DSTO High Frequency Radar Division in 164 164 Adelaide, Australia.
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