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diff --git a/tests/general_tests/fmincon/fmincon_logical21.sce b/tests/general_tests/fmincon/fmincon_logical21.sce
new file mode 100644
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+++ b/tests/general_tests/fmincon/fmincon_logical21.sce
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+// Example with log objective function, inequality constraints
+
+function y=fun(x)
+   y = -prod(log(x))
+endfunction
+
+x0 = repmat(1,1,20);
+lb = repmat(0,1,20);
+
+A=[-1,-5,-3 repmat(0,1,17); -0.5,-2.5 -1.5 repmat(0,1,17);];
+b=[-100 -50]';
+
+function [c,ceq]=nlc(x)
+    c = [ sum(log(x)) + 1];
+    ceq = [];
+endfunction
+
+[xopt,fopt,exitflag,output,lambda,gradient,hessian] = fmincon (fun, x0,A,b,[],[],lb,[],nlc)