Programmer Guide/Command Reference/EVAL/nrow: Difference between revisions
From STX Wiki
< Programmer Guide | Command Reference | EVAL
Jump to navigationJump to search
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
{{DISPLAYTITLE:nrow (alias: rows)}} | {{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>. | ||
;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'''. | |||
;See also: [[../ncol|ncol]] | |||
[[../#Functions|<function list>]] | |||
Example: | |||
<pre> | <pre> | ||
#vector := eval init(100,1,0) | #vector := eval init(100,1,0) | ||
Line 14: | Line 15: | ||
conlog 'number of rows of $#vector: $#vector[!nrow]' | conlog 'number of rows of $#vector: $#vector[!nrow]' | ||
</pre> | </pre> | ||
Latest revision as of 11:27, 21 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.
- See also
- ncol
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]'