r_slice - Function

Get a slice of a record array

Synopsis
r_slice(v, ...)

Arguments

v	in	a record array from which to extract elements
		Allowed:	record (array)
...	in	slicing dimensions
		Allowed:	integers, an index record, integer vectors

Returns
record array

Description
r_slice creates an array of records as a slice from another array of records. Slice indexing is identical to all the normal Glish options (including using a record index). The result will be another array of records (a scalar if 1 element is selected) with the id preserved.

Example

- print a := r_array(1:5, 2, 3)			# create array
[*31=1, *32=2, *33=3, *34=4, *35=5, *36=1]
- a::						# its shape
[shape=[2 3] ] 
-  r_slice(a,5)					# one element index
5 
- r_slice(a,5)::				# gives a scalar
[=] 
- r_slice(a,1,)					# a slice
[*39=1, *40=3, *41=5] 
- r_slice(a,1,)::				# gives a vector
[shape=3] 
- r_slice(a,1,2:3)				# and another
[*49=3, *50=5] 
- r_slice(a,1,2:3)::
[shape=2] 
[*17=1, *18=2] 
- r_slice(a,1:2,)::				# an array slice
[shape=[2 3] ]

Next: r_fill - Function Up: quanta - Module Previous: r_array - Function Contents Index

	Package	general
	Module	quanta