# \#optimization **URL:** https://uqworld.org/tag/optimization/5.md [Latest](https://uqworld.org/latest.md) · [Categories](https://uqworld.org/categories.md) · [Tags](https://uqworld.org/tags.md) --- ## [RBDO Using PCE Metamodel: Optimal Design Changes with Different Optimization Bounds](https://uqworld.org/t/rbdo-using-pce-metamodel-optimal-design-changes-with-different-optimization-bounds/3724)
**Author:** [@Barbara\_Oliveira\_Men](https://uqworld.org/u/Barbara_Oliveira_Men)\ **Replies:** 2\ **Last updated:** [July 3, 2024, 10:46am UTC](https://uqworld.org/t/rbdo-using-pce-metamodel-optimal-design-changes-with-different-optimization-bounds/3724 "2024-07-03T10:46:27Z")
Hi everyone, I appreciate the UQLab software and the literature resources available. Thank you very much. I have a question regarding the optimal design point in RBDO using PCE metamodels. First condition: My code run… --- ## [Double-Loop /Two-Level RBDO](https://uqworld.org/t/double-loop-two-level-rbdo/1562)
**Author:** [@aokoro](https://uqworld.org/u/aokoro)\ **Replies:** 2\ **Last updated:** [April 20, 2022, 5:02pm UTC](https://uqworld.org/t/double-loop-two-level-rbdo/1562 "2022-04-20T17:02:01Z")
Hi All, Thanks for the useful software and forum to share. Please I need a quick clarification and appreciate help from the forum or the Uqlab team / @moustapha . Is the double loop approach for RBDO same as Two-Level a… --- ## [Branin Function](https://uqworld.org/t/branin-function/53)
**Author:** [@damarginal](https://uqworld.org/u/damarginal)\ **Replies:** 0\ **Last updated:** [January 24, 2019, 3:00pm UTC](https://uqworld.org/t/branin-function/53 "2019-01-24T15:00:13Z")
The Branin function is commonly used as a test function for metamodeling in computer experiments, especially in the context of optimization (Forrester et al., 2008; Picheny et al., 2012). Description The analytic expr… --- ## [Rosenbrock's Function](https://uqworld.org/t/rosenbrocks-function/57)
**Author:** [@damarginal](https://uqworld.org/u/damarginal)\ **Replies:** 0\ **Last updated:** [January 24, 2019, 6:43pm UTC](https://uqworld.org/t/rosenbrocks-function/57 "2019-01-24T18:43:04Z")
The Rosenbrock’s function, also known as the valey or banana function, is commonly used as a test function for optimization algorithms, particularly for gradient-based algorithms since convergence towards its optimum i… --- ## [Robust optimization based on data driven PCE](https://uqworld.org/t/robust-optimization-based-on-data-driven-pce/539)
**Author:** [@Chemicaleng](https://uqworld.org/u/Chemicaleng)\ **Replies:** 1\ **Last updated:** [April 15, 2020, 4:44pm UTC](https://uqworld.org/t/robust-optimization-based-on-data-driven-pce/539 "2020-04-15T16:44:04Z")
Hi, UQLab :slight\_smile: First of all, really really thank you for your interesting software. I am majoring in Chemical Engineering, and since most of the data in Chemical Engineering is strong or complex, it is very d… --- ## [\[Additional question of below question\] PCE function extract](https://uqworld.org/t/additional-question-of-below-question-pce-function-extract/552)
**Author:** [@Chemicaleng](https://uqworld.org/u/Chemicaleng)\ **Replies:** 1\ **Last updated:** [April 15, 2020, 3:48pm UTC](https://uqworld.org/t/additional-question-of-below-question-pce-function-extract/552 "2020-04-15T15:48:29Z")
Hi, uqlab :slight\_smile: first of all, thanks to the developers who created the nice package. After creating a data driven PCE model, i want to proceed with robust optimization after extracting the PCE function. Thu… --- ## [RBDO using PCE](https://uqworld.org/t/rbdo-using-pce/535)
**Author:** [@Chemicaleng](https://uqworld.org/u/Chemicaleng)\ **Replies:** 5\ **Last updated:** [March 23, 2020, 11:29am UTC](https://uqworld.org/t/rbdo-using-pce/535 "2020-03-23T11:29:55Z")
Hi, UQLab!! :slight\_smile: My major is chemical engineering and I am using data simulation programs. However, data extraction takes a long time because it uses a CFD program that includes formulas such as hydrodynamics. … --- ## [How to access fmincon settings inside of HGA/BFGS](https://uqworld.org/t/how-to-access-fmincon-settings-inside-of-hga-bfgs/542)
**Author:** [@ShuaiGuo](https://uqworld.org/u/ShuaiGuo)\ **Replies:** 2\ **Last updated:** [March 17, 2020, 6:16pm UTC](https://uqworld.org/t/how-to-access-fmincon-settings-inside-of-hga-bfgs/542 "2020-03-17T18:16:02Z")
Hi! I want to tune fmincon settings within HGA algorithm to estimate Kriging hyperparameters. It seems that I can access MaxIter, etc, but others like MaxFunctionEvaluations, I cannot directly set. I am wondering if I c…