* Test problem 10.2.1 in the web page
* Test problem 10.3.1 in test problem collection
* Test problem from Dirkse and Ferris 1995

PARAMETER s;
s = 10;

POSITIVE VARIABLES x1;
EQUATIONS f1;

f1.. arctan(x1 - s) =g= 0;


MODEL DIRKSE /f1.x1/;

x1.l = 9;
SOLVE DIRKSE using mcp;