Integrate a Polynomial
Find the integral of a univariate polynomial.
## S3 method for class 'polynomial' integral(expr, limits = NULL, ...)
expr |
an object of class |
limits |
numeric vector of length 2 giving the integration limits. |
... |
further arguments to be passed to or from methods. |
If limits is not given, the integral of p from 0 to
‘x’'. Otherwise, the integral with the given integration
limits.
p <- poly.calc(1:5) p ## -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5 deriv(p) ## 274 - 450*x + 255*x^2 - 60*x^3 + 5*x^4 integral(deriv(p)) - 120 ## -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5
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