10 lines
342 B
Matlab
10 lines
342 B
Matlab
% Данные
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x = [0.1; 0.2; 0.3; 0.4; 0.5];
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y = [0.0130993528; 0.00648460863; 0.00379571458; 0.00300260726; 0.00203630934];
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y = y + 0.0019364;
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% Экспоненциальная аппроксимация: y = a * exp(-b*x)
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logY = log(y);
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p = polyfit(x, logY, 1); % ln(y) = ln(a) - b*x
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a = exp(p(2));
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b = -p(1);
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y0 = a % при x=0: y = a |