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hi
i need some body to help me with this.
I'm new in ti 89 and can find this essential application for my calculator.
i searched a lot but i only could find this app for ti 83-or 5point gauss for ti 89!
i badly needs 3point gauss quad for ti 89 Sad
can anybody help me with this?





Code:
(f,ξ,a,b)
Func
gauss5(f,ξ,a,b)

Simple 5-point
Gaussian quadrature
for ∫f(ξ)
over a ≤ ξ ≤ b.

Local k,m,x0,x1,x2,w0,w1,w2,i,u,v,s
0→x0
0.5384693101057→x1
0.9061798459387→x2
0.5688888888889→w0
0.4786286704994→w1
0.2369268850562→w2
(a+b)*0.5→m
(b-a)*0.5→k
w0*(f|ξ=m)→s
k*x1+m→u
2*m-u→v
s+w1*((f|ξ=u)+(f|ξ=v))→s
k*x2+m→u
2*m-u→v
s+w2*((f|ξ=u)+(f|ξ=v))→s
Return k*s
EndFunc
  
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