Difference between revisions of "LeftSum Command"

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{{command|function}}
 
{{command|function}}
 
;LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ]
 
;LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ]
:Calculates the left sum of the function in the interval [''a, b''] using ''n'' rectangles.
+
:Calculates the left sum of the function in the interval using ''n'' rectangles.
 
:{{example|1=<code><nowiki>LeftSum[x^2 + 1, 0, 2, 4]</nowiki></code> yields ''a'' = 3.75}}
 
:{{example|1=<code><nowiki>LeftSum[x^2 + 1, 0, 2, 4]</nowiki></code> yields ''a'' = 3.75}}
 
:{{Notes|1=<br>
 
:{{Notes|1=<br>
 
:*This command draws the rectangles of the left sum as well.
 
:*This command draws the rectangles of the left sum as well.
 
:*See also the commands: [[RectangleSum Command|RectangleSum]], [[TrapezoidalSum Command|TrapezoidalSum]], [[LowerSum Command|LowerSum]] and [[UpperSum Command|UpperSum]]}}
 
:*See also the commands: [[RectangleSum Command|RectangleSum]], [[TrapezoidalSum Command|TrapezoidalSum]], [[LowerSum Command|LowerSum]] and [[UpperSum Command|UpperSum]]}}

Revision as of 08:23, 26 March 2013



LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ]
Calculates the left sum of the function in the interval using n rectangles.
Example: LeftSum[x^2 + 1, 0, 2, 4] yields a = 3.75
Notes:
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