Quandaries and Queries



I have a set of XY co-ordinates(say 49 points),I want to find the area enclosed by the curve joining them and the axes.I do not have an equation for the curve and I am not able to fit a curve given the points.I use the trapezoidal rule
Is it right? can I do this with any other method?

thank you



Hi Prashanth,

The trapezoidal rule is the appropriate method to use, however I don't like the way you have written the expression. Y1+Y2/2 is Y1 plus one half of Y2, but you need one half of the sum of Y2 and Y1. The expresion should be



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