for test unconstrained nonlinear leas

lib	uncon/data

for	test problems: unconstrained optimization, nonlinear least squares.

#	Problems from More, Garbow, and Hillstrom;  Fraley, matrix square

#	root;  Hanson, Salane;  McKeown;  De Villiers and Glasser;

#	Dennis, Gay, and Vu.

editor	Chris Fraley

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