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. 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. 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. 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
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	0	15	November 28, 2023
Dependent Covariance Matrix in Bayesian Inversion/Multiplicative Discrepancy Error Community Q&A and How To inversion	1	94	October 26, 2023
A large Leave-One-Out error Community Q&A and How To	2	35	November 23, 2023
Sensitivity with correlated inputs Community Q&A and How To sensitivity , pce , ancova	6	56	November 16, 2023
How to determine the initial discrepancy parameter in the likelihood Community Q&A and How To inversion	2	91	November 10, 2023
UQLink: ANSYS APDL Community Q&A and How To uqlink	0	36	November 9, 2023
MSC.Nastran && UQLab Community Q&A and How To uqlink	1	81	November 2, 2023
Number of Dimensions Must be a Positive Number error Community Q&A and How To	2	221	October 17, 2023
PCE frequency-dependent output with FEM software Community Q&A and How To	2	107	October 17, 2023
Problem in creating a Sequential Polynomial Chaos kriging Community Q&A and How To	2	97	October 12, 2023
Uqlink and Nastran Community Q&A and How To uqlink	14	370	October 10, 2023
Beam problem:PCE surrogate model based calibration, how to give reasonable predictive posterior on multiple points? Community Q&A and How To inversion , pce , metamodeling	4	338	September 23, 2023
I am trying to apply different sampling methods for a function but I am only able to use the Monte Carlo method, the others do not work Community Q&A and How To pce	6	101	September 19, 2023
I got this message "Error using HC_35 (line 140) Dimensions of matrices being concatenated are not consistent." Community Q&A and How To howto	1	119	September 13, 2023
Help with understanding UQLAB application to sample case Community Q&A and How To reliability , metamodeling , sensitivity	1	164	July 26, 2023
Choice of sampling type for regression-based PCE Community Q&A and How To pce	1	161	July 24, 2023
How to correctly calculate the ODEs model in UQlab and further complete the sensitivity analysis? Community Q&A and How To model	3	205	July 24, 2023
Kriging with FEM commercial software Community Q&A and How To	5	208	July 17, 2023
Multilevel uncertainty quantification with Bayesian inversion Community Q&A and How To inversion	6	516	July 14, 2023
Impliment of calculating the skewness of PCE model Community Q&A and How To pce	1	163	July 5, 2023
RBDO error based on data-driven surrogate Community Q&A and How To	6	211	July 3, 2023
Questions about obtaining the statistical moments of PCE model Community Q&A and How To pce , metamodeling , reliability	1	137	July 1, 2023
How to show the verbosity information of creating a PCE model Community Q&A and How To pce	2	167	June 29, 2023
Inserting a Kriging model into LSF for MC reliability analysis Community Q&A and How To kriging , reliability	1	177	June 28, 2023
Theoretical doubts about PCE UQLAB Community Q&A and How To	2	174	June 28, 2023
Is it possible to use uqlink with a text editor? Community Q&A and How To	0	132	June 22, 2023
UQLink returning NaN in output: could it be because the command to execute the third party software does not explicitly specify input and output files? Community Q&A and How To uqlink	10	258	June 21, 2023
Generalised Lambda Distribution Feature Requests	1	144	June 19, 2023
UQlink with Opensees problem Community Q&A and How To uqlink	8	993	June 19, 2023
Bayesian inference: the Gelman-Rubin value Community Q&A and How To inversion	1	126	June 15, 2023