' - - File: XVIe :   Solve Boundary Value Problem (BVP) 

'  Given: X"(t) - 0.2 Sqrt[1 +( X'(t))^2] = 0
 
F{t,x,y} = y
G{t,x,y}=  0.2 Sqrt[1 + y^2]

to = -5 : xo = 5 : tb = 5  : xb = 5 : a1 = -1  :  a2 = 5: fa = 1.00:  er = 0.001
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BVP[F, G, {to,xo,tb,xb} {a1, a2} {fa, er, 0}]    ' <-- set to zero.

'  Note: Use "," and not ";" between a1 & a2 when a single "best" fit (above) is requested.

' This nonlinear DEQ models a hanging rope where the 0.2 coefficient is a combination
'   of rope density, tension, etc. This DEQ is sensitive to this coefficient.


