Work is a scalar quantity, even though it's calculated by using two vector quantities (force and displacement). A、正确 B、错误
Electric , magnetic , and gravitational forces are examples of forces that may be applied without actual physical contact . A great many , if not most , of the forces with which we shall be concerned occur through direct physical or mechanical contact .电力、磁力和重力是可以不需要真正的实际...
Fractal analysis of two-dimensional laser light scattering patterns for the study of spatial distribution of scalar quantities in turbulent fieldsTwo counting box techniques, used in previous works for the evaluation of fractal and multifractal properties, are presented in the perspective of use them ...
As detection PSF model, we employed the distribution of the electromagnetic field generated by a radiating dipole at the focus of a microscope with infinity-corrected objectives24, which treats the electromagnetic fields as vectors, not as scalar quantities. A refractive index mismatch between cover ...
Novel “quasi two dimensional” typically layered (semi) metals offer a unique opportunity to control the density and even the topology of the electronic matter. Along with doping and gate voltage, a robust tuning is achieved by application of the hydrostatic pressure. In Weyl semi-metals the ti...
In a hydrodynamical approach, the governing equations of the fluid (or continuous) phase are the continuity, the Navier–Stokes and the transport equations for a set of scalar fields which gathers the relevant species mass fractions ϕf(t,x)=(ϕf,l)l=1,…,Ns to which an equation for...
Four component vectors G and H are defined in equations (4) from the vectors of tangent coefficients A, B and D and scalar quantities p and q, which are defined using the column vectors r12, r23, r14 and r24 from equations (3). c1=(r13+r24)/2 c2=(r14+r23)/2 δ1=c21−c11...
In Bayesian analysis, an interval test applied to a scalar model parameter calculates the marginal posterior probability for the parameter to belong to the specified interval. Jeffreys prior. The Jeffreys prior of a vector of model parameters θ is proportional to the square root of the determinant...
Examples of multiparameter (or multidimensional) equalizers include 2-tap DFEs, which may independently control a first control parameter and a second control parameter, and 3-tap finite impulse response (FIR) filters, which may independently control a second control parameter and a third control ...
A quantity that has only a number and a unit is called a "scalar" value. Mass and temperature are examples. "Vectors" are quantities that have both a magnitude and a direction. Displacement, velocity, and acceleration are all vector quantities. In formulas, to distinguish vectors from scalar...