Hi,
I am trying to get a polyfit with only odd powers – so polyfit will not work because it has odd and even.
I do not have the curve fitting toolbox.
Is there another function of lines of code that will do this? I've searched around and read topics but cant seem to get it working…
x = [-50 -49.9 -49.7 -49.6 -49.4 -49.3 -49.1 -49 -48.8 -48.7 -48.6 -48.4 -48.3 -48.1 -48 -47.8 -47.7 -47.5 -47.4 -47.2 -47.1 -47 -46.8 -46.7 -46.5 -46.4 -46.2 -46.1 -45.9 -45.8 -45.7 -45.5 -45.4 -45.2 -45.1 -44.9 -44.8 -44.6 -44.5 -44.3 -44.2 -44.1 -43.9 -43.8 -43.6 -43.5 -43.3 -43.2 -43 -42.9 -42.8 -42.6 -42.5 -42.3 -42.2 -42 -41.9 -41.7 -41.6 -41.4 -41.3 -41.2 -41 -40.9 -40.7 -40.6 -40.4 -40.3 -40.1 -40 -39.9 -39.7 -39.6 -39.4 -39.3 -39.1 -39 -38.8 -38.7 -38.5 -38.4 -38.3 -38.1 -38 -37.8 -37.7 -37.5 -37.4 -37.2 -37.1 -37 -36.8 -36.7 -36.5 -36.4 -36.2 -36.1 -35.9 -35.8 -35.6 -35.5 -35.4 -35.2 -35.1 -34.9 -34.8 -34.6 -34.5 -34.3 -34.2 -34.1 -33.9 -33.8 -33.6 -33.5 -33.3 -33.2 -33 -32.9 -32.7 -32.6 -32.5 -32.3 -32.2 -32 -31.9 -31.7 -31.6 -31.4 -31.3 -31.2 -31 -30.9 -30.7 -30.6 -30.4 -30.3 -30.1 -30 -29.8 -29.7 -29.6 -29.4 -29.3 -29.1 -29 -28.8 -28.7 -28.5 -28.4 -28.3 -28.1 -28 -27.8 -27.7 -27.5 -27.4 -27.2 -27.1 -26.9 -26.8 -26.7 -26.5 -26.4 -26.2 -26.1 -25.9 -25.8 -25.6 -25.5 -25.4 -25.2 -25.1 -24.9 -24.8 -24.6 -24.5 -24.3 -24.2 -24 -23.9 -23.8 -23.6 -23.5 -23.3 -23.2 -23 -22.9 -22.7 -22.6 -22.5 -22.3 -22.2 -22 -21.9 -21.7 -21.6 -21.4 -21.3 -21.1 -21]; y = [-24.75097 -24.67164 -24.4801 -24.3577 -24.16221 -24.07226 -23.8446 -23.74222 -23.54947 -23.44198 -23.34674 -23.1479 -23.02214 -22.84665 -22.73298 -22.54093 -22.42616 -22.22016 -22.12129 -21.92824 -21.83178 -21.72892 -21.51621 -21.42578 -21.21406 -21.11511 -20.91655 -20.82348 -20.60448 -20.51302 -20.41675 -20.21547 -20.11611 -19.92628 -19.81589 -19.62125 -19.51582 -19.31288 -19.21443 -19.01194 -18.91046 -18.82235 -18.62306 -18.52276 -18.31691 -18.21565 -18.01884 -17.91986 -17.7219 -17.62982 -17.53392 -17.32261 -17.22725 -17.02708 -16.92875 -16.72639 -16.62719 -16.42994 -16.32574 -16.12839 -16.03569 -15.93901 -15.73049 -15.62979 -15.44024 -15.33308 -15.14062 -15.04554 -14.83767 -14.74988 -14.64451 -14.44684 -14.34319 -14.14475 -14.05439 -13.85229 -13.75652 -13.55815 -13.45882 -13.25949 -13.17189 -13.06923 -12.8671 -12.77876 -12.57822 -12.48735 -12.29286 -12.19462 -12.00186 -11.91447 -11.81787 -11.63201 -11.54073 -11.34952 -11.27196 -11.0899 -11.00039 -10.82415 -10.74487 -10.57193 -10.49104 -10.40562 -10.24737 -10.16286 -10.00381 -9.92581 -9.77272 -9.70086 -9.53765 -9.47072 -9.39156 -9.24676 -9.17277 -9.02883 -8.96238 -8.82083 -8.75691 -8.62635 -8.5598 -8.44304 -8.38449 -8.32837 -8.21934 -8.16412 -8.05312 -8.00186 -7.90721 -7.85077 -7.74586 -7.69695 -7.63831 -7.53163 -7.48072 -7.37289 -7.32272 -7.21067 -7.15707 -7.05749 -7.01419 -6.9207 -6.88097 -6.84193 -6.77068 -6.74107 -6.6824 -6.65511 -6.60911 -6.58551 -6.54557 -6.51723 -6.503 -6.46382 -6.44574 -6.39763 -6.38649 -6.34661 -6.33092 -6.29201 -6.27877 -6.2389 -6.22502 -6.20754 -6.17015 -6.15153 -6.11958 -6.10592 -6.06368 -6.05479 -6.023 -6.00659 -5.99346 -5.96016 -5.94925 -5.9124 -5.90166 -5.87321 -5.85589 -5.82928 -5.82597 -5.7912 -5.77671 -5.76612 -5.73985 -5.731 -5.71439 -5.70532 -5.67559 -5.66804 -5.6418 -5.63944 -5.63151 -5.61857 -5.60494 -5.58464 -5.58045 -5.55205 -5.54998 -5.52862 -5.52516 -5.50865 -5.50969];
Please can someone assist
Best Answer