Difference between revisions of "LeftSum Command"

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;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 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}}
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:{{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 08:30, 9 October 2017


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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