Description
slexp(x,S) = exp(x) if x <= S exp(S) * (1 + r) otherwise, r = x - S for S <= 150, default S = 150. Contributor: Steve, Mar 2017
Small Model of Type : GAMS
Category : GAMS Test library
Main file : fnslexp.gms includes : fnset_xy.inc [html] fntest_xy.inc [html]
$title 'Test correctness of slexp intrinsic' (FNSLEXP,SEQ=717)
$onText
slexp(x,S) = exp(x) if x <= S
exp(S) * (1 + r) otherwise, r = x - S
for S <= 150, default S = 150.
Contributor: Steve, Mar 2017
$offText
$include fnset_xy.inc
$gdxIn fnslexp
$load aeps reps relToInput T data
$gdxIn
loop {T,
data(T, 'f') = slexp.value( data(T,'x'),data(T,'y'));
data(T, 'fx') = slexp.grad(1: data(T,'x'),data(T,'y'));
data(T, 'fy') = slexp.grad(2: data(T,'x'),data(T,'y'));
data(T,'fxx') = slexp.hess(1:1:data(T,'x'),data(T,'y'));
data(T,'fxy') = slexp.hess(1:2:data(T,'x'),data(T,'y'));
data(T,'fyx') = slexp.hess(2:1:data(T,'x'),data(T,'y'));
data(T,'fyy') = slexp.hess(2:2:data(T,'x'),data(T,'y'));
data(T, 'rc') = mathlastrc;
data(T, 'ec') = mathlastec;
};
$include fntest_xy.inc