[R] Solve an Equation Including Integral
Steven Stoline
sstoline at gmail.com
Thu Jan 7 13:24:42 CET 2016
Dear All: I submitted this post to the R-sig-Teaching List too
I am trying to solve an equation including an integral for unknown
parameter.
Is this can be done in R? if so, any helps will be highly appreciated
### The following function is a function of t, given exi, nu, and alpha.
fun<-function(exi,nu,alpha)
(nu+t^2)^(-(nu+1)/2)*exp(((nu+1)*exi*t)/((nu+t^2)^0.5))
### I want to solve "[Integral(-Inf,100) fun(exi,nu,alpha)]-(1-alpha)=0"
for t.
### That is, find the value of t which satisfy the equation:
[Integral(-Inf,100) fun(exi,nu,alpha)]-(1-alpha)=0
### for example given: alpha = 0.05, nu = 20 , exi = 0.5, Solve for t.
with many thanks
steve
--------------------------
Steven M. Stoline
1123 Forest Avenue
Portland, ME 04112
sstoline at gmail.com
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