Hello, i'm new with matlab and i have a problem with my code, i got this
my first tried was with the third order polynomial and then i tried it with the second order one. when i got the graph it looked like 2 parallel lines , i know they have to be close. i dont know what is the problem with my code
the curious part is that when i plot the best_y by itself it looks good upside-down parabola) , same with the normal_y which looks like half of the normal curve. but as soon as i plotted them together one is on top semi-curve and the other one is a line at the bottom. is that ok ?
thanks a lot
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