Python - Pasar un codigo de Matlab a python

   
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Pasar un codigo de Matlab a python

Publicado por de mathlab a python (1 intervención) el 10/03/2016 21:16:41
Por favor, quien puede pasar este código de Matlab a python.


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clc clear all close all
% ----- Initialize Molecular Populations ----- %
Y_1_i = 1000.0; Y_2_i = 1000.0;
% ----- FoodStuff Population(Quantity) ----- %
X = 10.0 ^ (1.0);
% ----- The Number of Reactions ----- %
M = 3;
% ----- Initialize Chemical Reaction Coefficients ----- %
c1 = 10.0 / X; c2 = 0.01; c3 = 10.0;
% -- Place coefficients in Vector C -- %
C = [c1;c2;c3];
tau = 0.1; %The Waiting Time.
% Initialization of Evolutionary Variables;
Y = [Y_1_i;Y_1_i];
time = 0.0; n = 1;
t = 0;
t_max = 10.0;
while time <= t_max
% C(1) = 10.0/X; % Uncomment if you allow X
% to change with time.
A = C .* Reaction_Combination_Functions([X;Y(:,n)]);
A_sum = sum(A); % COEFFICIENT a_o
u = rand(2); % The two uniform (0,1) random variables.
tau = ( 1 / A_sum ) * log ( 1 / u(1) ); % The next waiting time.
time = time + tau % Update the time
t(n+1) = time ; % Store time for plotting
seek_value = u(2) * A_sum; % next reaction threshold
% --- Find the Reaction to Enact -- %
seek_truth = 1;
seek_test = A(1);
seek_mu = 1;
while (seek_truth == 1)
if (seek_value < seek_test)
mu = seek_mu;
seek_truth = 0;
elseif (seek_mu < M)
seek_mu = seek_mu + 1;
seek_test = seek_test + A(seek_mu);
else
mu = M;
seek_truth = 0;
end
end
n = n + 1; % Update the reaction counter
if (mu == 1) % Reaction 1 (X + Y1 --> 2*Y1)
Y(1,n) = Y(1,n-1) + 1.0;
% X = X - 1.0; % Uncomment if X can change
% with time
Y(2,n) = Y(2,n-1);
elseif (mu == 2) % Reaction 2 (Y1 + Y2 --> 2*Y2)
Y(1,n) = Y(1,n-1) - 1.0;
Y(2,n) = Y(2,n-1) + 1.0;
elseif (mu == 3) % Reaction 2 (Y2 --> Z)
Y(1,n) = Y(1,n-1);
Y(2,n) = Y(2,n-1) - 1.0;
end
end
figure(1)
plot(t,Y(1,:),’k’)
axis tight
xlabel(’Time’,’FontSize’,20)
ylabel(’Y_1’,’FontSize’,20)
figure(2)
plot(t,Y(2,:),’k’)
axis tight
xlabel(’Time’,’FontSize’,20)
ylabel(’Y_2’,’FontSize’,20)
figure(3)
plot(t,Y(1,:),’k’)
hold on
plot(t,Y(2,:),’r’)
axis tight
xlabel(’Time’,’FontSize’,20)
ylabel(’Y_i’,’FontSize’,20)
legend(’Y_1’,’Y_2’)
figure(4)
plot(Y(1,:),Y(2,:),’k.,’MarkerSize’,1)
axis tight
xlabel(’Y_1’,’FontSize’,20)
ylabel(’Y_2’,’FontSize’,20)
title(’Dot Plot’)
figure(5)
plot(Y(1,:),Y(2,:),’k’,’MarkerSize’,1)
axis tight
xlabel(’Y_1’,’FontSize’,20)
ylabel(’Y_2’,’FontSize’,20)
title(’Continuous Plot’)
size(Y)
% ----------------------------------------------------------------------- %
function [H] = Reaction_Combination_Functions(Var)
% The Reaction Function for all Reactions in a Vectorized Form.
Var2 = [Var(2:3);1.0];
H = Var .* Var2;
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