Programmer Guide/Command Reference/EVAL/nrow: Difference between revisions
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{{DISPLAYTITLE: | {{DISPLAYTITLE:nrow (alias: rows}} | ||
Returns the number of rows of the argument <var>x</var>. | Returns the number of rows of the argument <var>x</var>. | ||
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;Usage: '''<code>ncol(<var>x</var>)</code>''' | ;Usage: '''<code>ncol(<var>x</var>)</code>''' | ||
;Result: The result of this function is the number of rows of <var>x</var>. If <var>x</var> is a scalar, the result is '''1 | ;Result: The result of this function is the number of rows of <var>x</var>. If <var>x</var> is a scalar, the result is '''1'''. | ||
;Example: | ;Example: | ||
Revision as of 11:16, 4 April 2011
Returns the number of rows of the argument x.
- Usage
ncol(x)
- Result
- The result of this function is the number of rows of x. If x is a scalar, the result is 1.
- Example
#vector := eval init(100,1,0) conlog 'number of rows of $#vector: $(eval ncol($#vector))' // the attribute !nrow returns the same value: conlog 'number of rows of $#vector: $#vector[!nrow]'
- See also
- ncol
