Analysis of human crystalline lens curvature as a function of accommodative state and age. Vision Res. 24, 1141-51.Koretz JF, Handelman GH, Brown NP. Analysis of human crystal- line lens curvature as a function of accommodative state and age. Vision Res. 1984;24:1141-1151....
Curvature of a Plane Curve Definition: If T is the unit vector of a smooth curve, the curvature function of the curve is κ=|dTds|. 曲率的意义是曲线扭曲的程度,如图,直线“不曲”,因此曲率为0. 曲率越大,曲线就越弯。 曲率的计算方法:一般情况下,用定义是不方便计算 κ 的值的,所以我们找一...
cost functiondifferentiabilityexpenditure functionHotelling's lemmaown-price effectprofit functionstrict quasi convexityThe author establishes a property of supply for a competitive firm: Assuming differentiability of the production frontier, linearly independent price vectors have disjoint image sets under the ...
curvature - the rate of change (at a point) of the angle between a curve and a tangent to the curve derivative, derived function, differential, differential coefficient, first derivative - the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df...
Curvature of the Probability Weighting Function When individuals choose among risky alternatives, the psychological weight attached to an outcome may not correspond to the probability of that outcome. In... WR Gonzalez - 《Management Science》
The circumference of a Euclidean circle of radius R is 2πR. This one belongs to the local-to-global theorem. Curvature The curve cannot be described by one or two numbers such as length or radius. So we need curvature, defined in Calculus, and is a function of position on the curve,...
It involves a carefully designed optimal transport problem between sets of vertices. While the definition looks somewhat complex, in the end we shall be able to express our curvature in a very simple formula, \(\kappa =\mu _0-\mu _2-2\mu _3\). This formula simply counts the fraction ...
Finding the normal n to a smooth surface and calculating the directional derivative of a given function of three independent variables, forms a useful exercise in the application of the gradient operator in vector calculus. This exercise can be helpfully extended by taking the divergence ▽·[n...
Let p≥2, n<2m and v0 be a smooth function with (V1) v0 is symmetric with respect to θ=0 and θ=mπn, (V2) v0′(θ)<0 if 0<θ<mπn, (V3) There exists ε0>0 such that v0(θ)≥ε0 in [−mπ,mπ]. Consider a solution v of (2.3) satisfying (V4) maxθ∈[...
,Flynn-Smith,Jennifer,A.摘要: Herzog and Miller (1998) reported that people judged alleys with sharper curves as less dangerous than straighter alleys. The authors investigated the role of perceived alley length as a possible confounding influence. Raters judged a large sample of urban alleys for...