Trapezoidal formula for numerical integration
Numerical integration via trapezoidal formula.
trapzc(step, f)
step |
step of the grid |
f |
grid evaluation of density |
|
The value of integral computed numerically by trapezoidal formula. |
R. Talskatalskarenata@seznam.cz, K. Hronkarel.hron@upol.cz
# Example (zero-integral of fcenLR density) t = seq(-4.7,4.7, length = 1000) t_step = diff(t[1:2]) mean = 0; sd = 1.5 f = dnorm(t, mean, sd) f.fcenLR = fcenLR(t,t_step,f) trapzc(t_step,f.fcenLR)
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