31 lines
1.1 KiB
Matlab
31 lines
1.1 KiB
Matlab
function plotGaussianFit(Positions, TrappingPotential, popt, pcov)
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extracted_waist = popt(2);
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dextracted_waist = sqrt(pcov(2,2));
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gapprox = gaussian_potential(Positions, popt);
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figure('Position', [100, 100, 1200, 600])
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subplot(1,2,1)
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title('Fit to Potential')
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plot(Positions, gapprox, '-r', 'DisplayName', sprintf('waist = %.1f \\pm %.2f \\mum', extracted_waist, dextracted_waist))
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hold on
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plot(Positions, TrappingPotential, 'ob', 'DisplayName', 'Gaussian Potential')
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xlabel('Distance (\mum)', 'FontSize', 12, 'FontWeight', 'bold')
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ylabel('Trap Potential (\muK)', 'FontSize', 12, 'FontWeight', 'bold')
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ylim([min(TrappingPotential), max(TrappingPotential)])
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grid on
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legend('FontSize', 12, 'FontWeight', 'bold')
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subplot(1,2,2)
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title('Fit Residuals')
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plot(Positions, TrappingPotential - gapprox, 'ob')
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xlabel('Distance (\mum)', 'FontSize', 12, 'FontWeight', 'bold')
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ylabel('$U_{trap} - U_{Gaussian}$', 'Interpreter', 'latex', 'FontSize', 12, 'FontWeight', 'bold')
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xlim([-10, 10])
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ylim([-1, 1])
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grid on
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tight_layout()
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hold off
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end
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