Programmer Guide/Command Reference/EVAL/nrow: Difference between revisions

From STX Wiki
Jump to navigationJump to search
m (1 revision: Initial import)
No edit summary
 
(3 intermediate revisions by 2 users not shown)
Line 1: Line 1:
{{DISPLAYTITLE:{{SUBPAGENAME}}}}
{{DISPLAYTITLE:nrow (alias: rows)}}
=====nrow=====
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]]


The number of rows in <var>x</var>.
[[../#Functions|<function list>]]


{|
 
|-
Example:
|Usage:
<pre>
|nrow(x)
#vector := eval init(100,1,0)
|-
conlog 'number of rows of $#vector: $(eval ncol($#vector))'
|
// the attribute !nrow returns the same value:
|rows(x)
conlog 'number of rows of $#vector: $#vector[!nrow]'
|-
</pre>
|Result:
|The number of rows in x (1 for scalars).
|-
|Return Type:
|scalar
|}

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

<function list>


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]'

Navigation menu

Personal tools