Returns the number of characters in a string, the number of elements in a list, the dimensions of an array, the number of objects in a unit object or algebraic object, or the dimensions of a graphics object.
Level 1 | -> | Level 2 | Level 1 |
---|---|---|---|
"string" | -> | n | |
{ list } | -> | n | |
[ vector ] | -> | { n } | |
[[ matrix ]] | -> | { n m } | |
'symb' | -> | n | |
grob | -> | #nwidth | #mheight |
PICT | -> | #nwidth | #mheight |
x_unit | -> | n |