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Código para graficar función de activacion tipo sigmoidal
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#!/usr/bin/env octave | |
% funcion de activacion -> sigmoidal | |
function answer = sigmoidal(a, v) | |
answer = 1 / (1 + exp(-a*v)) | |
return | |
endfunction | |
x = linspace(-5,5,10000); | |
y1 = arrayfun(@(f) sigmoidal(1, f), x); | |
y2 = arrayfun(@(f) sigmoidal(5, f), x); | |
y3 = arrayfun(@(f) sigmoidal(10, f), x); | |
y4 = arrayfun(@(f) sigmoidal(100, f), x); | |
% sentencias para graficado | |
figure; | |
s(1) = subplot(4,1,1); | |
s(2) = subplot(4,1,2); | |
s(3) = subplot(4,1,3); | |
s(4) = subplot(4,1,4); | |
plot(s(1), x, y1, 'r','LineWidth',1.5); | |
plot(s(2), x, y2, 'g','LineWidth',1.5); | |
plot(s(3), x, y3, 'b','LineWidth',1.5); | |
plot(s(4), x, y4, 'm','LineWidth',1.5); | |
xlabel('V'); | |
ylabel('Phi(V)'); | |
ylim([-0.2 1.2]); |
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