FAQ: Difference between revisions

8 bytes removed ,  20 December 2012
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→‎do xxxx?: use lookfor as command
m (→‎do xxxx?: use lookfor as command)
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You are probably looking for the function ''lookfor''. This function searches the help text of all functions for a specific string and returns a list of functions. Note that by default it will only search the first line of the help text (check ''help lookfor'' at the octave prompt for more). The following example helps to find the function to calculate correlation coefficient in a matrix:
You are probably looking for the function ''lookfor''. This function searches the help text of all functions for a specific string and returns a list of functions. Note that by default it will only search the first line of the help text (check ''help lookfor'' at the octave prompt for more). The following example helps to find the function to calculate correlation coefficient in a matrix:


   octave:1> lookfor ("correlation")
   octave> lookfor correlation
   corr2              Returns the correlation coefficient between I and J.
   corr2              Returns the correlation coefficient between I and J.
   cor                Compute correlation.
   cor                Compute correlation.
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Also, there's a high chance that the function name has a suggestive name, and so you can try auto-completion to get some hints. For the previous example, typing ''corr'' at the octave promp followed by pressing [Tab] twice would suggest the following:
Also, there's a high chance that the function name has a suggestive name, and so you can try auto-completion to get some hints. For the previous example, typing ''corr'' at the octave promp followed by pressing [Tab] twice would suggest the following:


   octave:2> corr
   octave> corr
   corr2    corrcoef
   corr2    corrcoef