Hello everybody
I need to approximate the amount of integral by using
legendre quadrature. I have written a program which doesn't give me a
logical answer; Can anybody help me and send the correct program? For
example the approximated amount of integral of ( x ^2) on (-1,1) based
on legendre quad rule.
integrand<-function(x) {x^2}
rules <- legendre.quadrature.rules( 50 )
order.rule <- rules[[50]]
chebyshev.c.quadrature(integrand, order.rule, lower = -1, upper = 1)
Thank you
Diba
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