Results 141 to 150 of about 2,125 (287)

Covariance functions in least-squares collocation

open access: yes, 1976
The report consists of two parts. Part A deals with the mathematical structure of covariance functions. The properties of isotropy, harmonicity and positive definiteness are discussed, and it is suggested that a covariance function may be characterized ...
Moritz, Helmut, 1933-
core  

High‐throughput phenotyping for the prediction and quantification of flower‐related traits in sugarcane

open access: yesThe Plant Phenome Journal, Volume 9, Issue 1, December 2026.
Abstract Sugarcane (Saccharum spp.), a C4 plant, is a vital renewable biofuel and sugar source for industries worldwide. However, synchronizing flowering between parental lines often poses challenges for breeders, hindering effective crossbreeding efforts.
Paulo H. da Silva Santos   +11 more
wiley   +1 more source

Parameter Estimation of Least Squares Collocation [PDF]

open access: yesProceedings of the 2016 International Conference on Mechatronics, Control and Automation Engineering, 2016
openaire   +1 more source

Constrained least-squares methods for partial differential equations

open access: yes, 2006
Least-squares methods for partial differential equations are based on a norm-equivalence between the error norm and the residual norm. The resulting algebraic system of equations, which is symmetric positive definite, can also be obtained by solving a ...
Gerritsma, M.I.   +3 more
core  

PFAS Vadose Zone Mass Discharge at an AFFF‐Impacted Site: 1. Validation Based on a Multiple Lines‐of‐Evidence Approach

open access: yesRemediation Journal, Volume 36, Issue 2, Spring 2026.
ABSTRACT Questions have recently been raised about the suitability of using porewater samples collected with suction lysimeters to estimate per‐ and polyfluoroalkyl substances (PFAS) mass discharge in the vadose zone. Multiple lines of evidence were evaluated to determine if porewater samples collected during a data gaps investigation in the former ...
Grant R. Carey   +8 more
wiley   +1 more source

Building a Continental‐Scale Geodetic Network: The Plate Boundary Observatory (PBO)

open access: yesPerspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract The Plate Boundary Observatory (PBO) transformed the use of geodesy in North America to study crustal deformation and plate boundary processes by establishing a continental‐scale, standardized, open‐access geodetic network. Built and operated by UNAVCO between 2003 and 2018 as part of the National Science Foundation (NSF)‐funded EarthScope ...
Emily E. Zawacki   +5 more
wiley   +1 more source

AI in chemical engineering: From promise to practice

open access: yesAIChE Journal, Volume 72, Issue 7, July 2026.
Abstract Artificial intelligence (AI) in chemical engineering has moved from promise to practice: physics‐aware (gray‐box) models are gaining traction, reinforcement learning complements model predictive control (MPC), and generative AI powers documentation, digitization, and safety workflows.
Jia Wei Chew   +4 more
wiley   +1 more source

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