UQ with UQLab

Developers Corner Learn more about the UQLab project with news, updates, and stories from inside the development team. Feature Requests Category for discussing improvements of the existing UQLab features and any new ideas for the upcoming features. FAQ Here you can find more detailed answers to the frequently asked questions (FAQ) on the UQLab software. Read this post further for an index of the FAQ. Benchmarks Library of test functions and data sets to test your uncertainty quantification (UQ) algorithms. You know additional test functions or data sets? Share them by creating a new topic here! Read this post further for an index of the benchmark cases. Community Q&A and How To This is where you can ask any questions if you’re experiencing problems with UQLab. By and for the community. Follow the community guidelines for posting questions and answers. Find UQLab tutorial, tips, tricks, hacks and share your workflow here!

Topic	Replies	Views	Activity
Have there been any changes to uq_createAnalysis lately? Community Q&A and How To inversion	4	35	April 17, 2024
RBDO: RBDO with two stages of enrichment Community Q&A and How To rbdo	1	208	April 17, 2024
How to get the analytical formula of the model? Feature Requests	4	289	April 17, 2024
Calculating the PCE coefficients with Gaussian quadrature using existing data Community Q&A and How To pce , metamodeling	2	24	April 15, 2024
RBDO analysis design variable range Community Q&A and How To rbdo , metamodeling	0	25	April 11, 2024
Uq[py]lab v0.95 - trouble connecting to a UQ cloud session Community Q&A and How To	10	46	April 10, 2024
Probability of failure of 10^{-16} with MCS on an HPC server Community Q&A and How To uqlab , reliability	6	47	April 9, 2024
Sensitivity: MC-based Sobol's indices Community Q&A and How To sensitivity	2	78	March 25, 2024
How to define a custom correlation function with unitary variance in Kriging metamodel Community Q&A and How To howto , kriging	0	35	March 21, 2024
Correlation lengthscale returned by Kriging module seems to be wrong Community Q&A and How To uqlab-bug , howto , kriging	0	32	March 21, 2024
Error of indexing in uq_eval_uq_default_model using RIA, SORA and SLA Community Q&A and How To rbdo	2	69	March 18, 2024
Criteria for selecting the maximum interaction (r) in adaptive methods Community Q&A and How To pce , metamodeling	0	56	March 8, 2024
How to interpret the PCE display? Community Q&A and How To pce	2	114	February 21, 2024
How to consider our multiple forward models equally to update likelihood? Community Q&A and How To inversion , model	0	104	January 28, 2024
Problems in the time-dependent reliability calculation with MCS Community Q&A and How To	0	141	January 17, 2024
Help: out of memory problem when variable dimension is large Community Q&A and How To	2	130	January 14, 2024
Error using xlim in uq_display_uq_rbdo within RIA (Reliability Index Approach) Community Q&A and How To rbdo	5	163	December 19, 2023
Memory error from Matlab Community Q&A and How To	3	108	December 15, 2023
Bayesian inference - truncated lognormal distribution Community Q&A and How To	0	109	December 6, 2023
Bayesian inversion for multiple parameter calibration (some questions on the example problem of sec 2.3 of the user manual) Community Q&A and How To inversion	2	236	December 1, 2023
Dependent Covariance Matrix in Bayesian Inversion/Multiplicative Discrepancy Error Community Q&A and How To inversion	1	214	October 26, 2023
A large Leave-One-Out error Community Q&A and How To	2	143	November 23, 2023
Sensitivity with correlated inputs Community Q&A and How To sensitivity , pce , ancova	6	186	November 16, 2023
How to determine the initial discrepancy parameter in the likelihood Community Q&A and How To inversion	2	223	November 10, 2023
UQLink: ANSYS APDL Community Q&A and How To uqlink	0	124	November 9, 2023
MSC.Nastran && UQLab Community Q&A and How To uqlink	1	184	November 2, 2023
Number of Dimensions Must be a Positive Number error Community Q&A and How To	2	317	October 17, 2023
PCE frequency-dependent output with FEM software Community Q&A and How To	2	200	October 17, 2023
Problem in creating a Sequential Polynomial Chaos kriging Community Q&A and How To	2	185	October 12, 2023
Uqlink and Nastran Community Q&A and How To uqlink	14	488	October 10, 2023