Programmer Guide/Command Reference/EVAL/npow2 - Revision history

Christian at 18:12, 21 April 2011

2011-04-21T18:12:57Z

← Older revision		Revision as of 20:12, 21 April 2011
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	;Usage: '''<code>npow2(<var>x</var>)</code>'''		;Usage: '''<code>npow2(<var>x</var>)</code>'''
	:;<var>x</var>: a scalar, vector or matrix		:;<var>x</var>: a scalar, vector or matrix
	;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.		;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N≥''x''.
	:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.		:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.
	;See also: [[../fft\|fft]], [[../ifft\|ifft]], [[Programmer Guide/Command Reference/INT\|command INT]], [[Programmer Guide/Command Reference/NUM\|command NUM]]		;See also: [[../fft\|fft]], [[../ifft\|ifft]], [[Programmer Guide/Command Reference/INT\|command INT]], [[Programmer Guide/Command Reference/NUM\|command NUM]]
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	Example:		Example:
	~~<pre>~~		#n := eval npow2(1000)
	#n := eval npow2(1000)		// #n = 1024 = 2^10
	// #n = 1024 = 2^10
	~~</pre>~~

193.171.195.48 at 10:26, 21 April 2011

2011-04-21T10:26:59Z

← Older revision		Revision as of 12:26, 21 April 2011
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	;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.		;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.
	:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.		:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.
	;See also: [[~~Programmer_Guide~~/~~Command_Reference~~/~~EVAL~~/~~fft~~\|~~fft~~]], [[Programmer_Guide/Command_Reference/EVAL~~/ifft~~\|~~ifft~~]]		;See also: [[../fft\|fft]], [[../ifft\|ifft]], [[Programmer Guide/Command Reference/INT\|command INT]], [[Programmer Guide/Command Reference/NUM\|command NUM]]

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


	Example:		Example:
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	// #n = 1024 = 2^10		// #n = 1024 = 2^10
	</pre>		</pre>

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

Toni at 13:14, 6 April 2011

2011-04-06T13:14:00Z

← Older revision		Revision as of 15:14, 6 April 2011
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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	Compute the next power of 2.		Compute the next power of 2.
	;Usage: '''npow2(<var>x</var>)</code>'''		;Usage: '''<code>npow2(<var>x</var>)</code>'''
	:;<var>x</var>: a scalar, vector or matrix		:;<var>x</var>: a scalar, vector or matrix
	;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.		;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.

Toni at 13:13, 6 April 2011

2011-04-06T13:13:39Z

← Older revision		Revision as of 15:13, 6 April 2011
Line 3:		Line 3:
	;Usage: '''npow2(<var>x</var>)</code>'''		;Usage: '''npow2(<var>x</var>)</code>'''
	:;<var>x</var>: a scalar, vector or matrix		:;<var>x</var>: a scalar, vector or matrix
	;Result: If ''x'' is a scalar, the result ~~''r''~~ is the integer number ''N'', which is the smallest value with <code>''N''=2<sup>''M''</sup></code> (''M'' is an integer greater/equal 0) and ''N''>=''x''.		;Result: If ''x'' is a scalar, the result is the integer number N, which is the smallest value with <code>N=2<sup>M</sup></code> (M is an integer greater/equal 0) and N>=''x''.
	:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.		:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.
	;See also: [[Programmer_Guide/Command_Reference/EVAL/fft\|fft]], [[Programmer_Guide/Command_Reference/EVAL/ifft\|ifft]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/fft\|fft]], [[Programmer_Guide/Command_Reference/EVAL/ifft\|ifft]]

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Compute the next power of 2. ;Usage: '''npow2(`x`)''' :;`x`: a scalar, vector or matrix ;Result: If ''x'' is a scalar, t…'

2011-04-06T13:12:15Z

Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Compute the next power of 2. ;Usage: '''npow2(<var>x</var>)</code>''' :;<var>x</var>: a scalar, vector or matrix ;Result: If ''x'' is a scalar, t…'

New page

{{DISPLAYTITLE:{{SUBPAGENAME}}}}
Compute the next power of 2.
;Usage: '''npow2(<var>x</var>)</code>'''
:;<var>x</var>: a scalar, vector or matrix
;Result: If ''x'' is a scalar, the result ''r'' is the integer number ''N'', which is the smallest value with <code>''N''=2<sup>''M''</sup></code> (''M'' is an integer greater/equal 0) and ''N''>=''x''.
:If ''x'' is a vector or a matrix, the function returns <code>npow2(nrow(''x''))</code>.
;See also: [[Programmer_Guide/Command_Reference/EVAL/fft|fft]], [[Programmer_Guide/Command_Reference/EVAL/ifft|ifft]]

Example:
<pre>
#n := eval npow2(1000)
// #n = 1024 = 2^10
</pre>

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

Programmer Guide/Command Reference/EVAL/npow2 - Revision history

Christian at 18:12, 21 April 2011

193.171.195.48 at 10:26, 21 April 2011

Toni at 13:14, 6 April 2011

Toni at 13:13, 6 April 2011

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Compute the next power of 2. ;Usage: '''npow2(x)''' :;x: a scalar, vector or matrix ;Result: If ''x'' is a scalar, t…'

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Compute the next power of 2. ;Usage: '''npow2(`x`)''' :;`x`: a scalar, vector or matrix ;Result: If ''x'' is a scalar, t…'