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%% Spline Interpolation of Distribution and Specify Endpoint Slopes % This illustrates the use of clamped or complete spline interpolation % where end slopes are prescribed. Zero slopes at the ends of an % interpolant to the values of a certain distribution are enforced. % Copyright 2015 The MathWorks, Inc. x = -4:4; y = [0 .15 1.12 2.36 2.36 1.46 .49 .06 0]; cs = spline(x,[0 y 0]); xx = linspace(-4,4,101); plot(x,y,'o',xx,ppval(cs,xx),'-');