MATLAB: Interp1 find values at axis zero problem The grid vectors must contain unique points.

interp1value at zero

Voc=interp1(I,V,0);
it is a simple code, it runs with the first 2 sets of data but it doesn't run with the third.
someone help.
thanks

Best Answer

The below entry numbers ignore the header line (so they refer to array indices)
Entry #102 occurs again at #111
Entry #105 occurs again at #108
Entry #113 occurs again at #128
Entry #101 occurs again at #117 and #119