COMMENT --------------------------------------- Beta - chwirut2 ---------------------------------------
INPATH C:\Projects\Code\Beta\Benchmarks\Nonlinear
OPEN chwirut2_NIST.PRN
USE 1 54
NLS Y exp(-b1*x)/(b2+b3*x)  / INPUTB B1=0.1 B2=0.01 B3=0.02
NLS Y exp(-b1*x)/(b2+b3*x)  / INPUTB B1=0.15 B2=0.008 B3=0.010


COMMENT --------------------------------------- NIST - chwirut2 ---------------------------------------
'Source is http://www.itl.nist.gov/div898/strd/nls/data/chwirut2.shtml
COMMENT 
COMMENT           Starting values                  Certified Values
COMMENT 
COMMENT         Start 1     Start 2           Parameter     Standard Deviation
COMMENT   b1 =   0.1         0.15          1.6657666537E-01  3.8303286810E-02
COMMENT   b2 =   0.01        0.008         5.1653291286E-03  6.6621605126E-04
COMMENT   b3 =   0.02        0.010         1.2150007096E-02  1.5304234767E-03
COMMENT 
COMMENT Residual Sum of Squares:                    5.1304802941E+02
COMMENT Residual Standard Deviation:                3.1717133040E+00
COMMENT Degrees of Freedom:                                51
COMMENT Number of Observations:                            54
COMMENT