TY - JOUR T1 - Regularisation and the least squares problem in the analysis of echo state networks JO - Physica Scripta UR - https://doi.org/10.1088/1402-4896/ae082f PY - 2025/09/17 AU - Lu Y AU - Winkler J ED - DO - DOI: 10.1088/1402-4896/ae082f PB - IOP Publishing Y2 - 2025/10/11 ER -