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how to find the area under a graph
i need help in finding the area under the graph in excel as it is a complicated curve for the pressure vs volume of a combustion chamber -- chogga ------------------------------------------------------------------------ chogga's Profile: http://www.excelforum.com/member.php...o&userid=27227 View this thread: http://www.excelforum.com/showthread...hreadid=467394 |
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#2
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How does your curve look like please?
"chogga" wrote: i need help in finding the area under the graph in excel as it is a complicated curve for the pressure vs volume of a combustion chamber -- chogga ------------------------------------------------------------------------ chogga's Profile: http://www.excelforum.com/member.php...o&userid=27227 View this thread: http://www.excelforum.com/showthread...hreadid=467394 |
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#3
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See
http://www.stfx.ca/people/bliengme/E...UnderCurve.htm for a couple of simple approaches to numerical integration. If you know the formula for the curve, you might try integrating it analytically. Similarly, you could integrate a polynomial (or other) approximation to the curve. Jerry chogga wrote: i need help in finding the area under the graph in excel as it is a complicated curve for the pressure vs volume of a combustion chamber |
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