jaxglobal.problems¶

Nonconvex test problems written as ordinary JAX functions (no equations).

gramacy_lee ¶

gramacy_lee(x)

1-D, many local minima, division by a variable.

shubert(x)

Product of trigonometric sums; 760 local minima, 18 global.

shekel10(x)

Sum of reciprocals: 10 deep, narrow wells.

piecewise(x)

Nonsmooth: jnp.where / max / abs on top of a nonconvex smooth part.