Are there optimizers where it is possible to specify ordinal ranking of parameters?Assume that I have a function of three parameters $f(\theta_1, \theta_2, \theta_3)$. Are there optimizers such that I can specify$${\arg\min}_{\theta_1 > \theta_2 >\theta_3}f(\theta_1, \theta_2, \theta_3)$$ Assume that $f$ is smooth ($n$-th order differentiable in each of the parameters).
Optimization with order constraints on parameters
optimization;constrained optimization