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The phrase "a weighted sum of" is correct and usable in written English.
It is typically used in mathematical or statistical contexts to describe a sum where each term is multiplied by a weight before being added together.
Example: "The final score is calculated as a weighted sum of the individual scores, taking into account the importance of each component."
Alternatives: "a sum with weights" or "a sum adjusted by weights".
Exact(60)
Each PC is a weighted sum of microsatellites, the weights representing the strength of the microsatellite contributions to the PC.
The random measure is thus a weighted sum of M particles and their weights.
A multiplexer computes a weighted sum of its input probabilities, with the weights given by the selection inputs.
A weighted sum of linear RGB is not computed.
We show that policies end up maximizing a weighted sum of domestic and foreign welfare.
The mixture fitness is evaluated by a weighted sum of property performances.
It is shown that the FPF can be written as a weighted sum of sample values.
A weighted sum of gray gases model is used for the gas radiative properties.
The goal errors are described as a weighted sum of local model errors.
These schemes equate a weighted sum of the nodal derivatives of a smooth function to a weighted sum of the function on both the grid points (cell boundaries) and the cell-centers.
Multi-objective approaches, recently proposed, in most cases lead to the maximisation of a weighted sum of score functions.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com