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BUG: COBYQA repeatedly calls for non-linear constraint evaluations at points which have already been evaluated

Status: Open.

#206 In cobyqa/cobyqa;

· RichardTKBC opened on May 14, 2026

BUG: The COBYQA optimizer doesn't seem to respect boundaries

Status: Open.

#201 In cobyqa/cobyqa;

· GijsB opened on Mar 30, 2026

Tough test, stress test, recursive test, and parallel test

Status: Open.

#127 In cobyqa/cobyqa;

· zaikunzhang opened on Oct 5, 2023

Make a backup of each comparison including the results and information about how to reproduce them

enhancementNew feature or requestNew feature or request

Status: Open.

#93 In cobyqa/cobyqa;

· zaikunzhang opened on Dec 22, 2022

Investigate the strategy for switching derivative-free PSB updated Hessian to least Frobenius norm Hessian

enhancementNew feature or requestNew feature or request

Status: Open.

#60 In cobyqa/cobyqa;

· zaikunzhang opened on Aug 29, 2022

Add an option called honour_bounds (default to true), and decide whether to respect bounds accordingly

enhancementNew feature or requestNew feature or request

Status: Open.

#53 In cobyqa/cobyqa;

· zaikunzhang opened on Aug 28, 2022

Sometimes, although rarely, a "poor" trust-region trial point should not be included in the next interpolation point

enhancementNew feature or requestNew feature or request

Status: Open.

#51 In cobyqa/cobyqa;

· zaikunzhang opened on Aug 28, 2022

More careful geometry step

enhancementNew feature or requestNew feature or request

Status: Open.

#49 In cobyqa/cobyqa;

· zaikunzhang opened on Aug 28, 2022

Initialization with less points

enhancementNew feature or requestNew feature or request

Status: Open.

#47 In cobyqa/cobyqa;

· zaikunzhang opened on Aug 28, 2022