Sentence examples for calculate a gradient. from inspiring English sources

iFR uses high frequency sampling to calculate a gradient across a coronary lesion during a period of diastole.

These stretch values were used to calculate a gradient of residual stress ranging from −230±22 kPa of compression at the inner AF to 54±0.2 kPa of tension at the outer AF.

The wICP algorithm that has been proven to converge monotonically to a local minimum, allows the optimization of the component position and orientation without the need to calculate a gradient of an objective function.

First, this method calculates a gradient image on which a 'seed' is placed in the tumour and another one in the background.

First, this method calculates a gradient image on which one 'seed' is placed in the tumour and another one in the background.

In contrast with CAI metric where we built histograms, all the gradient vectors within a compartment were summed to calculate a net gradient vector to be assigned to the cell in the particular Voronoi cell.

We follow a technique using a Fourier transform to calculate a gravity gradient tensor from a Bouguer anomaly proposed by Mickus and Hinojosa (2001), as indicated below.

The air concentrations of NH3 at two heights (2 and 6 m from the ground surface) were measured using a filter-pack method, and the exchange fluxes of NH3 of the whole paddy field were calculated using a gradient method.

In this algorithm, the demixing matrix is calculated using a gradient descent.

The effective potential field E eff is calculated as a gradient of the effective potential V eff, which in turn is a scalar function of coordinates, defined by the local intensity of the RF electric field E RF : The ion mass m is expressed in SI units; the angular frequency ω is related to the RF frequency f (Hz) as ω = 2πf.

The model itself is very simple to implement: it is based on a gas diffusion model that uses a vector representation of the building plan for calculating a local diffusion gradient from each point which is then used for computing the angular weighting function.