Using interpl to plot data from a vector

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sophp
sophp on 26 Nov 2018
Answered: madhan ravi on 26 Nov 2018
Say if I had a vector X of 10 different values of x, and I had a set of experimental data relating x to y:
xd=[1,2,3,4,5,6]
yd=[2.5,3.5,4.5,5.5,6.5,7.5]
How would I use interpl to interpolate this experimental data for each value of x in vector X to form vector Y and then plot each x value with each y value

Answers (1)

madhan ravi
madhan ravi on 26 Nov 2018
Read interp1() and use appropriate method that you need:
xd=[1,2,3,4,5,6]
yd=[2.5,3.5,4.5,5.5,6.5,7.5]
xx=linspace(xd(1),xd(end),1000);
yy=interp1(xd,yd,xx,'spline');
plot(xd,yd,'om',xx,yy)

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