16 lines
345 B
Matlab
16 lines
345 B
Matlab
% power model a * x ^ b
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% y = a + b x
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clear;clc;close all;
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x = input("enter values of x:\n");
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y = input("enter values of y:\n");
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Y = log(y);
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X = log(x);
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n = length(x);
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coeff = [n sum(X);sum(X) sum(X.^2)];
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f_terms = [sum(Y);sum(X.*Y)];
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results = inv(coeff) * f_terms;
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A = results(1);
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a = exp(A);
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b = results(2);
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f = a * x.^b;
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plot(x, y,'', x, f); |