how to realize look up function in m script

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wenchao zhang
wenchao zhang 2024-7-5
评论： wenchao zhang 2024-7-6
hello, i have x axle table and y axle table, when i set value within the range of x, how to get the output from y, may be some interpolation and curve smoothing should used. i hope it works in m script.
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wenchao zhang
wenchao zhang 2024-7-5
编辑：Walter Roberson 2024-7-5
Ran in:
use interp1 seems ok,
x = 0:pi/4:2*pi;
v = sin(x);
xq = 0:pi/16:2*pi;
figure
vq2 = interp1(x,v,xq,'spline');
plot(x,v,'o',xq,vq2,':.');
xlim([0 2*pi]);
title('Spline Interpolation');

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