Programmer Guide/Command Reference/EVAL/nrow: Difference between revisions
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{{DISPLAYTITLE:{{SUBPAGENAME}}}} | {{DISPLAYTITLE:{{SUBPAGENAME}}}} | ||
Returns the number of rows of the argument <var>x</var>. | |||
;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'''. The function '''rows(''x'')''' can be used as alias for '''nrow'''. | |||
;Example: | |||
<pre> | |||
#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]' | |||
</pre> | |||
| | ;See also: [[Programmer_Guide/Command_Reference/EVAL/ncol|ncol]] | ||
| | |||
[[Programmer_Guide/Command_Reference/EVAL#Functions|<function list>]] | |||
Revision as of 10:10, 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. The function rows(x) can be used as alias for nrow.
- 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
