插值函數 interp1 interp2

一、一維插值 interp1 clc; clear; close all; x0=0:1:2*pi; y0=sin(x0); x=0:0.5:2*pi; y = interp1(x0,y0,x,'spline'); figure(1); plot(x0,y0);hold on;plot(x,y); grid on; xlabel('x0');ylabel('y0');title("һά²喵

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