What's the difference between smooth and spline?

Smooth


Definition:

  • (superl.) Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain.
  • (superl.) Evenly spread or arranged; sleek; as, smooth hair.
  • (superl.) Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream.
  • (superl.) Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent.
  • (superl.) Bland; mild; smoothing; fattering.
  • (superl.) Causing no resistance to a body sliding along its surface; frictionless.
  • (adv.) Smoothly.
  • (n.) The act of making smooth; a stroke which smooths.
  • (n.) That which is smooth; the smooth part of anything.
  • (a.) To make smooth; to make even on the surface by any means; as, to smooth a board with a plane; to smooth cloth with an iron.
  • (a.) To free from obstruction; to make easy.
  • (a.) To free from harshness; to make flowing.
  • (a.) To palliate; to gloze; as, to smooth over a fault.
  • (a.) To give a smooth or calm appearance to.
  • (a.) To ease; to regulate.
  • (v. i.) To flatter; to use blandishment.

Example Sentences:

  • (1) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
  • (2) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (3) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (4) Peripheral eosinocytes increased by 10%, and tests for HBsAg, antiHBs, antimitochondrial antibody and anti-smooth muscle antibody were all negative.
  • (5) After vascular injury, smooth muscle cells proliferate, reaching a maximum rate at day 2.
  • (6) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (7) The Ta loop was a smooth, elongated ellipse in configuration and showed clockwise rotation in all planes, as did the P loop.
  • (8) This series of tests included tests for pathologic nystagmus, saccades, smooth pursuit, and optokinetic nystagmus, as well as bithermal caloric testing and rotational testing.
  • (9) It inhibits platelet and vascular smooth muscle activation by cGMP-dependent attenuation of the agonist-induced rise of intracellular free Ca2+.
  • (10) It is concluded that a Na-H antiport system in vascular smooth muscle regulates Na influx rate, contributes to intracellular pH regulation and influences basal levels of Na,K-pump activity.
  • (11) By 30 min after insemination, the surface of the egg is relatively smooth.
  • (12) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
  • (13) Distribution patterns of phosphatidylserine and phosphatidylinositol in the smooth muscle as well as in the mucosa were different from those in the liver.
  • (14) Ultrastructural study of the uterine lesion demonstrated smooth muscle cells with only a few "autophagic" facuoles to cells nearly replaced by lysosomes.
  • (15) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
  • (16) We conclude that once daily doxazosin provides smooth and effective blood pressure control throughout a 24 h post-dose period.
  • (17) It is suggested that contractile responses to electrical stimulation in isolated sheep urethral smooth muscle are mediated by the sympathetic nervous system, mainly through release of noradrenaline stimulating postjunctional alpha 1-adrenoceptors.
  • (18) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
  • (19) From the findings of this study the authors recommend wide excision of colorectal smooth-muscle tumours whenever there is a suggestion of malignancy.
  • (20) All smooth strains of Brucella bear two lipopolysaccharide (LPS) antigens in a ratio that defines the classification of strains in serovars, A (A greater than M), M (M greater than A) and A.M (A = M).

Spline


Definition:

  • (n.) A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.
  • (n.) A long, flexble piece of wood sometimes used as a ruler.

Example Sentences:

  • (1) This paper addresses the latter assumption by applying a direct and flexible approach, cubic spline functions, to two widely used models: the logistic regression model for binary responses and the Cox proportional hazards regression model for survival time data.
  • (2) After filament images were straightened by spline-fitting, several transforms showed well-defined layer-lines arising from the helical structure of the filament.
  • (3) We have compared three interpolation methods (surface splines, spherical splines and tridimensional interpolation functions).
  • (4) The smoothing B-spline function was applied to 3, 10, 25, 50, 75, 90, and 97 percentile TW2 RUS, carpal and 20-bone scores.
  • (5) The four parameter logistic method, which is based on an approximation of the mass action law, performed better than the Spline method, a procedure which makes no a priori assumptions about the data.
  • (6) The first and second derivatives of progress curves are obtained from the cubic spline function.
  • (7) To improve the qualitative and quantitative analysis of surfaces of protein, two new methods are proposed: one that smoothes the MS surface of Connolly with B-spline smoothing functions to highlight the significant features of the surface, and one that computes the density of surface neighborhood to allow quantitative comparison.
  • (8) In the model, patellofemoral joint profiles projected on a horizontal plane have been expressed as spline functions.
  • (9) It was demonstrated that by using a least-squares surface-fitting technique, the SPG data on the surface can accurately be described by a single parametric biquintic spline function.
  • (10) Approximating the signal with a linear combination of cubic B-splines with equally spaced knots, according to the linear least-squares criterion gives the desired data reduction and an elegant way to perform an automatic analysis.
  • (11) The practical implementation of a rapid Catmull-Rom (cardinal) spline is described, and its advantages with respect to speed and ease of use are discussed.
  • (12) One of these is the procedure known as one of the best automatic smoothing and differentiating techniques: generalised cross validatory spline smoothing and differentiation (GCVC).
  • (13) Splines, were invented nearly 30 years ago and have been shown to have desirable properties.
  • (14) The spline technique is superior in accuracy to sampling at eight-times the Nyquist rate and is comparable to a Fourier-transform-based interpolation algorithm.
  • (15) Lines representing linear regression, log-linear regression or quadratic regression were inferior to those described by linear splines.
  • (16) Although spline functions are by no means unknown to demographers, no simple and direct explanation of their application exists.
  • (17) The spline technique was used to analyse these data as continuous variables, and showed that the 'super-obese' group of families was too small to be of any practical importance.
  • (18) Using penalized likelihood the three curves can be fitted as cubic splines by non-linear regression, and the extent of smoothing required can be expressed in terms of smoothing parameters or equivalent degrees of freedom.
  • (19) In general, the bilinear and bicubic spline methods of interpolation perform about equally.
  • (20) The folding pathway is defined by piecewise B-spline curves and the atoms are initially positioned with respect to the local Frenet trihedra determined by the equations of the curves.