total variation

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total variation

[′tōd·əl ‚ver·ē′ā·shən]
(mathematics)
For a real function defined on an interval, the least upper bound of the function's variation relative to all possible partitions of the interval.
References in periodicals archive ?
w]) to measure variation within a single recording and among-male coefficients of variation ([CV.
Galton's zeal for quantification turned to efforts to measure variation among humans.
The differences among risks within individual classifications caused the establishment of a means to measure variation in hazard, i.
The key to predict what will happen in each individual is to measure variation in the expression of both types of gene.
The multispectral GOES Imager surveys the Earth on a continuous basis, allowing for increased sensitivity to detect temperature fluctuations, to measure variation in low-level moisture, and to track hurricanes from their inception.
communities to 1) investigate the etiology and natural history of atherosclerosis, 2) investigate the etiology of clinical atherosclerotic diseases and 3) measure variation in cardiovascular risk factors, medical care and disease by race, sex, place and time.
The research team used what is known as the Immunochip array to measure variation in the genes (DNA) coding for components of the immune system for 2,816 JIA patients in the study.
The goal is to measure variation in operator speed and lane deviation by monitoring eye, foot and hand movement while they are completing various tasks.
Under the auspices of the Critical Path, the FDA and stakeholders will work together to develop the tools necessary to usher in the new era of personalized medicine, such as new validated safety and efficacy biomarkers and new ways to measure variation in patient response," Greenwood said.
Perceptron supplies more than 20 GM automotive and truck and bus plants with datacameras that use laser technology to measure variation in the assembly process.
On March 6, Dawn will enter into orbit around Ceres to capture detailed images and measure variations in light reflected from Ceres, which should reveal the planet s surface composition.