Programmer Guide/Command Reference/EVAL/vvget - Revision history

Christian at 18:04, 21 April 2011

2011-04-21T18:04:06Z

← Older revision		Revision as of 20:04, 21 April 2011
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	;Usage: <code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>		;Usage: <code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>
	:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1		:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1
	:;<var>o</var>: the first element to be extracted, 0 <= ''o'' < l<sub>x</sub> (default='''0''')		:;<var>o</var>: the first element to be extracted, 0 ≤ ''o'' < l<sub>x</sub> (default='''0''')
	:;<var>d</var>: the index increment (default='''1''')		:;<var>d</var>: the index increment (default='''1''')
	:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')		:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')
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	#a := eval vv(1,2,4,8,16,32)		#a := eval vv(1,2,4,8,16,32)
	#b := eval vvget($#a, 0, 2, 3)		#b := eval vvget($#a, 0, 2, 3)
	// -> #b = { 1 , 4 , 16 }		// → #b = { 1 , 4 , 16 }
	#c := eval vvget($#a, 5, -1, 4)		#c := eval vvget($#a, 5, -1, 4)
	// -> #c = { 32, 16, 8, 4 }		// → #c = { 32, 16, 8, 4 }

193.171.195.48 at 11:16, 21 April 2011

2011-04-21T11:16:10Z

← Older revision		Revision as of 13:16, 21 April 2011
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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	Extract elements from a vector.		Extract elements from a vector.
	;Usage: ~~'''~~<code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>~~'''~~		;Usage: <code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>
	:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1		:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1
	:;<var>o</var>: the first element to be extracted, 0 <= ''o'' < l<sub>x</sub> (default='''0''')		:;<var>o</var>: the first element to be extracted, 0 <= ''o'' < l<sub>x</sub> (default='''0''')
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	::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub></code>; with i=0..''n''-1		::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub></code>; with i=0..''n''-1
	:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function fails.		:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function fails.
	;See also: [[~~Programmer_Guide/Command_Reference/EVAL~~/vv\|vv]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vvset\|vvset]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vvcat\|vvcat]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vmcol\|vmcol]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vmrow\|vmrow]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vsubn\|vsubn]], [[~~Programmer_Guide/Command_Reference/EVAL~~/vsubc\|vsubc]]		;See also: [[../vv\|vv]], [[../vvset\|vvset]], [[../vvcat\|vvcat]], [[../vmcol\|vmcol]], [[../vmrow\|vmrow]], [[../vsubn\|vsubn]], [[../vsubc\|vsubc]]

			[[../#Functions\|<function list>]]


	Example:		Example:
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	#c := eval vvget($#a, 5, -1, 4)		#c := eval vvget($#a, 5, -1, 4)
	// -> #c = { 32, 16, 8, 4 }		// -> #c = { 32, 16, 8, 4 }

	~~[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]~~

Christian at 14:49, 6 April 2011

2011-04-06T14:49:45Z

← Older revision		Revision as of 16:49, 6 April 2011
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	;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements		;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements
	::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub></code>; with i=0..''n''-1		::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub></code>; with i=0..''n''-1
	:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function ~~failes~~.		:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function fails.
	;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]

Christian at 14:48, 6 April 2011

2011-04-06T14:48:29Z

← Older revision		Revision as of 16:48, 6 April 2011
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	:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')		:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')
	;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements		;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements
	::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub>; with i=0..''n''-1		::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub></code>; with i=0..''n''-1
	:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function failes.		:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function failes.
	;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]

	Example:		Example:
	~~<pre>~~		#a := eval vv(1,2,4,8,16,32)
	#a := eval vv(1,2,4,8,16,32)		#b := eval vvget($#a, 0, 2, 3)
	#b := eval vvget($#a, 0, 2, 3)		// -> #b = { 1 , 4 , 16 }
	// -> #b = { 1 , 4 , 16 }		#c := eval vvget($#a, 5, -1, 4)
	#c := eval vvget($#a, 5, -1, 4)		// -> #c = { 32, 16, 8, 4 }
	// -> #c = { 32, 16, 8, 4 }
	~~</pre>~~

	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

193.171.195.48 at 07:23, 6 April 2011

2011-04-06T07:23:34Z

← Older revision		Revision as of 09:23, 6 April 2011
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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	Extract elements from a vector.		Extract elements from a vector.

	;Usage: '''<code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>'''		;Usage: '''<code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>'''
	:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1		:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1

Toni at 12:44, 4 April 2011

2011-04-04T12:44:31Z

← Older revision		Revision as of 14:44, 4 April 2011
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	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]



	~~{{DISPLAYTITLE:{{SUBPAGENAME}}}}~~
	~~=====vvget=====~~

	{\|
	\|-
	~~\|vvget(x, <var>o</var>, <var>d</var>, <var>n</var>)~~
	~~\|Result: res[i = 0..n-1] = <var>x</var>[<var>o</var> + i*<var>d</var>]~~
	\|}

Toni at 12:43, 4 April 2011

2011-04-04T12:43:45Z

← Older revision		Revision as of 14:43, 4 April 2011
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	:;<var>d</var>: the index increment (default='''1''')		:;<var>d</var>: the index increment (default='''1''')
	:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')		:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')
	;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements.		;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements
	::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub>; with i=0..''n''-1		::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub>; with i=0..''n''-1
	::Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function failes.		:Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function failes.
	;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]

Toni at 12:42, 4 April 2011

2011-04-04T12:42:58Z

← Older revision		Revision as of 14:42, 4 April 2011
Line 1:		Line 1:
			{{DISPLAYTITLE:{{SUBPAGENAME}}}}
			Extract elements from a vector.

			;Usage: '''<code><var>vvget(x</var> {, <var>o</var> {, <var>d</var> {,<var>n</var> }}})</code>'''
			:;<var>x</var>: the source vector, l<sub>x</sub>=nrow(''x'') must be greater/equal 1
			:;<var>o</var>: the first element to be extracted, 0 <= ''o'' < l<sub>x</sub> (default='''0''')
			:;<var>d</var>: the index increment (default='''1''')
			:;<var>n</var>: the number of elements to extract, ''n''>0 (default='''l<sub>x</sub>''')
			;Result: A numerical object ''r'' (scalar or vector) with ''n'' elements.
			::<code>''r''<sub>i</sub> = x<sub>''o''+i*''d''</sub>; with i=0..''n''-1
			::Note: For all i, the source index ''o''+i*''d'' must be in the range 0 to l<sub>x</sub>-1, otherwise the function failes.
			;See also: [[Programmer_Guide/Command_Reference/EVAL/vv\|vv]], [[Programmer_Guide/Command_Reference/EVAL/vvset\|vvset]], [[Programmer_Guide/Command_Reference/EVAL/vvcat\|vvcat]], [[Programmer_Guide/Command_Reference/EVAL/vmcol\|vmcol]], [[Programmer_Guide/Command_Reference/EVAL/vmrow\|vmrow]], [[Programmer_Guide/Command_Reference/EVAL/vsubn\|vsubn]], [[Programmer_Guide/Command_Reference/EVAL/vsubc\|vsubc]]

			Example:
			<pre>
			#a := eval vv(1,2,4,8,16,32)
			#b := eval vvget($#a, 0, 2, 3)
			// -> #b = { 1 , 4 , 16 }
			#c := eval vvget($#a, 5, -1, 4)
			// -> #c = { 32, 16, 8, 4 }
			</pre>

			[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]



	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	=====vvget=====		=====vvget=====

Admin: 1 revision: Initial import

2010-11-18T16:31:37Z

1 revision: Initial import

← Older revision	Revision as of 18:31, 18 November 2010
(No difference)

193.171.195.8: initial import

2010-05-17T13:05:27Z

initial import

New page

{{DISPLAYTITLE:{{SUBPAGENAME}}}}
=====vvget=====

{|
|-
|vvget(x, <var>o</var>, <var>d</var>, <var>n</var>)
|Result: res[i = 0..n-1] = <var>x</var>[<var>o</var> + i*<var>d</var>]
|}