MATLAB: How to vectorize this find function

MATLAB

for i=1:length(x)
    ind_1 = find(b <x(i), 1, 'last');
    ind_2 = ind_1+1;
    x1 = b(ind_1);
    x2 = b(ind_2);
    y1 = a(ind_1);  
    y2 = a(ind_2); 
    y(i) = (y2-y1)/(x2-x1)*(x(i)-x1) + y1;
end
where b =
0
2.49999993684469e-06
4.99999987368938e-06
7.49999981053406e-06
9.99999974737875e-06
1.24999996842234e-05
1.49999996210681e-05
1.74999986484181e-05
1.99999994947575e-05
2.25000003410969e-05
a = -3.90885305404663
-3.90826201438904
-3.90855741500855
-3.90796637535095
-3.90885305404663
-3.90855741500855
-3.90826201438904
-3.90826201438904
-3.90767097473145
-3.90826201438904
x = 0.500000000000000
1
1.50000000000000
2
2.50000000000000
3
3.50000000000000
4
4.50000000000000
5

Best Answer

y=interp1(b,y_acc,x)
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