Generated Code
The following is matlab code generated by the CellML API from this CellML file. (Back to language selection)
The raw code is available.
function [VOI, STATES, ALGEBRAIC, CONSTANTS] = mainFunction()
% This is the "main function". In Matlab, things work best if you rename this function to match the filename.
[VOI, STATES, ALGEBRAIC, CONSTANTS] = solveModel();
end
function [algebraicVariableCount] = getAlgebraicVariableCount()
% Used later when setting a global variable with the number of algebraic variables.
% Note: This is not the "main method".
algebraicVariableCount =29;
end
% There are a total of 9 entries in each of the rate and state variable arrays.
% There are a total of 45 entries in the constant variable array.
%
function [VOI, STATES, ALGEBRAIC, CONSTANTS] = solveModel()
% Create ALGEBRAIC of correct size
global algebraicVariableCount; algebraicVariableCount = getAlgebraicVariableCount();
% Initialise constants and state variables
[INIT_STATES, CONSTANTS] = initConsts;
% Set timespan to solve over
tspan = [0, 10];
% Set numerical accuracy options for ODE solver
options = odeset('RelTol', 1e-06, 'AbsTol', 1e-06, 'MaxStep', 1);
% Solve model with ODE solver
[VOI, STATES] = ode15s(@(VOI, STATES)computeRates(VOI, STATES, CONSTANTS), tspan, INIT_STATES, options);
% Compute algebraic variables
[RATES, ALGEBRAIC] = computeRates(VOI, STATES, CONSTANTS);
ALGEBRAIC = computeAlgebraic(ALGEBRAIC, CONSTANTS, STATES, VOI);
% Plot state variables against variable of integration
[LEGEND_STATES, LEGEND_ALGEBRAIC, LEGEND_VOI, LEGEND_CONSTANTS] = createLegends();
figure();
plot(VOI, STATES);
xlabel(LEGEND_VOI);
l = legend(LEGEND_STATES);
set(l,'Interpreter','none');
end
function [LEGEND_STATES, LEGEND_ALGEBRAIC, LEGEND_VOI, LEGEND_CONSTANTS] = createLegends()
LEGEND_STATES = ''; LEGEND_ALGEBRAIC = ''; LEGEND_VOI = ''; LEGEND_CONSTANTS = '';
LEGEND_VOI = strpad('time in component environment (millisecond)');
LEGEND_CONSTANTS(:,1) = strpad('RT in component parameters (joule_per_mole)');
LEGEND_STATES(:,1) = strpad('V_m in component membrane (millivolt)');
LEGEND_CONSTANTS(:,2) = strpad('C_m in component membrane (picofarad)');
LEGEND_ALGEBRAIC(:,17) = strpad('I_Na in component I_Na (picoampere)');
LEGEND_ALGEBRAIC(:,19) = strpad('I_T in component I_T (picoampere)');
LEGEND_ALGEBRAIC(:,21) = strpad('I_KCa in component I_KCa (picoampere)');
LEGEND_ALGEBRAIC(:,26) = strpad('I_Ca in component I_Ca (picoampere)');
LEGEND_ALGEBRAIC(:,27) = strpad('I_L in component I_L (picoampere)');
LEGEND_ALGEBRAIC(:,29) = strpad('I_K in component I_K (picoampere)');
LEGEND_ALGEBRAIC(:,14) = strpad('I_stim in component I_stim (picoampere)');
LEGEND_CONSTANTS(:,3) = strpad('I_mag in component I_stim (picoampere)');
LEGEND_CONSTANTS(:,4) = strpad('t_0 in component I_stim (millisecond)');
LEGEND_CONSTANTS(:,5) = strpad('t_1 in component I_stim (millisecond)');
LEGEND_ALGEBRAIC(:,4) = strpad('H_0 in component I_stim (dimensionless)');
LEGEND_ALGEBRAIC(:,10) = strpad('H_1 in component I_stim (dimensionless)');
LEGEND_CONSTANTS(:,6) = strpad('g_Na in component I_Na (nanosiemens)');
LEGEND_CONSTANTS(:,7) = strpad('E_Na in component I_Na (millivolt)');
LEGEND_STATES(:,2) = strpad('m in component m (dimensionless)');
LEGEND_STATES(:,3) = strpad('h in component h (dimensionless)');
LEGEND_CONSTANTS(:,8) = strpad('E_m in component m (millivolt)');
LEGEND_CONSTANTS(:,9) = strpad('V_alpha_m in component m (millivolt)');
LEGEND_CONSTANTS(:,10) = strpad('V_beta_m in component m (millivolt)');
LEGEND_ALGEBRAIC(:,1) = strpad('alpha_m in component m (per_millisecond)');
LEGEND_ALGEBRAIC(:,7) = strpad('beta_m in component m (per_millisecond)');
LEGEND_CONSTANTS(:,11) = strpad('alpha_m_max in component m (per_millivolt_per_millisecond)');
LEGEND_CONSTANTS(:,12) = strpad('beta_m_max in component m (per_millisecond)');
LEGEND_CONSTANTS(:,13) = strpad('E_h in component h (millivolt)');
LEGEND_CONSTANTS(:,14) = strpad('V_alpha_h in component h (millivolt)');
LEGEND_CONSTANTS(:,15) = strpad('V_beta_h in component h (millivolt)');
LEGEND_ALGEBRAIC(:,2) = strpad('alpha_h in component h (per_millisecond)');
LEGEND_ALGEBRAIC(:,8) = strpad('beta_h in component h (per_millisecond)');
LEGEND_CONSTANTS(:,16) = strpad('alpha_h_max in component h (per_millisecond)');
LEGEND_CONSTANTS(:,17) = strpad('beta_h_max in component h (per_millisecond)');
LEGEND_CONSTANTS(:,18) = strpad('R_s in component I_T (per_nanosiemens)');
LEGEND_CONSTANTS(:,19) = strpad('C_t in component I_T (picofarad)');
LEGEND_STATES(:,4) = strpad('V_T in component V_T (millivolt)');
LEGEND_CONSTANTS(:,20) = strpad('g_KCa in component I_KCa (nanosiemens)');
LEGEND_CONSTANTS(:,21) = strpad('E_K in component I_K (millivolt)');
LEGEND_STATES(:,5) = strpad('o in component o (dimensionless)');
LEGEND_ALGEBRAIC(:,20) = strpad('w in component w (dimensionless)');
LEGEND_STATES(:,6) = strpad('c in component calcium_handling (dimensionless)');
LEGEND_ALGEBRAIC(:,16) = strpad('o_oinf in component o (dimensionless)');
LEGEND_ALGEBRAIC(:,3) = strpad('alpha_Vm in component o (per_millisecond)');
LEGEND_ALGEBRAIC(:,9) = strpad('beta_Vm in component o (per_millisecond)');
LEGEND_ALGEBRAIC(:,13) = strpad('tau_Vm in component o (millisecond)');
LEGEND_CONSTANTS(:,22) = strpad('d_1 in component o (dimensionless)');
LEGEND_CONSTANTS(:,23) = strpad('d_2 in component o (dimensionless)');
LEGEND_CONSTANTS(:,24) = strpad('k_1 in component o (dimensionless)');
LEGEND_CONSTANTS(:,25) = strpad('k_2 in component o (dimensionless)');
LEGEND_CONSTANTS(:,26) = strpad('a_bar in component o (per_millisecond)');
LEGEND_CONSTANTS(:,27) = strpad('b_bar in component o (per_millisecond)');
LEGEND_CONSTANTS(:,28) = strpad('kd in component w (dimensionless)');
LEGEND_STATES(:,7) = strpad('cer in component calcium_handling (dimensionless)');
LEGEND_ALGEBRAIC(:,28) = strpad('j_mem in component calcium_handling (picoampere)');
LEGEND_ALGEBRAIC(:,22) = strpad('j_leak in component calcium_handling (picoampere)');
LEGEND_ALGEBRAIC(:,23) = strpad('j_serca in component calcium_handling (picoampere)');
LEGEND_ALGEBRAIC(:,24) = strpad('j_er in component calcium_handling (picoampere)');
LEGEND_CONSTANTS(:,29) = strpad('alpha in component calcium_handling (dimensionless)');
LEGEND_CONSTANTS(:,30) = strpad('k_pmca in component calcium_handling (dimensionless)');
LEGEND_CONSTANTS(:,31) = strpad('k_serca in component calcium_handling (picoampere)');
LEGEND_CONSTANTS(:,32) = strpad('p_leak in component calcium_handling (picoampere)');
LEGEND_CONSTANTS(:,33) = strpad('f_er in component calcium_handling (per_picoampere_per_millisecond)');
LEGEND_CONSTANTS(:,34) = strpad('f_cyt in component calcium_handling (per_picoampere_per_millisecond)');
LEGEND_CONSTANTS(:,35) = strpad('v_cytver in component calcium_handling (dimensionless)');
LEGEND_STATES(:,8) = strpad('d in component d (dimensionless)');
LEGEND_ALGEBRAIC(:,25) = strpad('g_Ca in component I_Ca (nanosiemens)');
LEGEND_CONSTANTS(:,36) = strpad('g_Ca0 in component I_Ca (nanosiemens_per_millivolt)');
LEGEND_CONSTANTS(:,37) = strpad('E_Ca in component I_Ca (millivolt)');
LEGEND_ALGEBRAIC(:,15) = strpad('alpha_d in component d (per_millisecond)');
LEGEND_ALGEBRAIC(:,18) = strpad('beta_d in component d (per_millisecond)');
LEGEND_ALGEBRAIC(:,11) = strpad('tau_d in component d (millisecond)');
LEGEND_ALGEBRAIC(:,5) = strpad('d_infinity in component d (dimensionless)');
LEGEND_CONSTANTS(:,38) = strpad('E_L in component I_L (millivolt)');
LEGEND_CONSTANTS(:,39) = strpad('g_Lmax in component I_L (nanosiemens)');
LEGEND_STATES(:,9) = strpad('n in component n (dimensionless)');
LEGEND_CONSTANTS(:,40) = strpad('g_K in component I_K (nanosiemens)');
LEGEND_CONSTANTS(:,41) = strpad('E_n in component n (millivolt)');
LEGEND_CONSTANTS(:,42) = strpad('V_alpha_n in component n (millivolt)');
LEGEND_CONSTANTS(:,43) = strpad('V_beta_n in component n (millivolt)');
LEGEND_ALGEBRAIC(:,6) = strpad('alpha_n in component n (per_millisecond)');
LEGEND_ALGEBRAIC(:,12) = strpad('beta_n in component n (per_millisecond)');
LEGEND_CONSTANTS(:,44) = strpad('alpha_n_max in component n (per_millivolt_per_millisecond)');
LEGEND_CONSTANTS(:,45) = strpad('beta_n_max in component n (per_millisecond)');
LEGEND_RATES(:,1) = strpad('d/dt V_m in component membrane (millivolt)');
LEGEND_RATES(:,2) = strpad('d/dt m in component m (dimensionless)');
LEGEND_RATES(:,3) = strpad('d/dt h in component h (dimensionless)');
LEGEND_RATES(:,4) = strpad('d/dt V_T in component V_T (millivolt)');
LEGEND_RATES(:,5) = strpad('d/dt o in component o (dimensionless)');
LEGEND_RATES(:,6) = strpad('d/dt c in component calcium_handling (dimensionless)');
LEGEND_RATES(:,7) = strpad('d/dt cer in component calcium_handling (dimensionless)');
LEGEND_RATES(:,8) = strpad('d/dt d in component d (dimensionless)');
LEGEND_RATES(:,9) = strpad('d/dt n in component n (dimensionless)');
LEGEND_STATES = LEGEND_STATES';
LEGEND_ALGEBRAIC = LEGEND_ALGEBRAIC';
LEGEND_RATES = LEGEND_RATES';
LEGEND_CONSTANTS = LEGEND_CONSTANTS';
end
function [STATES, CONSTANTS] = initConsts()
VOI = 0; CONSTANTS = []; STATES = []; ALGEBRAIC = [];
CONSTANTS(:,1) = 2577;
STATES(:,1) = -75;
CONSTANTS(:,2) = 0.009;
CONSTANTS(:,3) = 2;
CONSTANTS(:,4) = 5;
CONSTANTS(:,5) = 6;
CONSTANTS(:,6) = 0.45;
CONSTANTS(:,7) = 50;
STATES(:,2) = 0;
STATES(:,3) = 1;
CONSTANTS(:,8) = -42;
CONSTANTS(:,9) = 10;
CONSTANTS(:,10) = 18;
CONSTANTS(:,11) = 0.208;
CONSTANTS(:,12) = 2.081;
CONSTANTS(:,13) = -41;
CONSTANTS(:,14) = 14.7;
CONSTANTS(:,15) = 7.6;
CONSTANTS(:,16) = 0.0156;
CONSTANTS(:,17) = 3.382;
CONSTANTS(:,18) = 15;
CONSTANTS(:,19) = 0.04;
STATES(:,4) = -70;
CONSTANTS(:,20) = 0.5;
CONSTANTS(:,21) = -70;
STATES(:,5) = 0.15;
STATES(:,6) = 0.15;
CONSTANTS(:,22) = 0.84;
CONSTANTS(:,23) = 1;
CONSTANTS(:,24) = 0.18;
CONSTANTS(:,25) = 0.011;
CONSTANTS(:,26) = 0.48;
CONSTANTS(:,27) = 0.28;
CONSTANTS(:,28) = 0.18;
STATES(:,7) = 200;
CONSTANTS(:,29) = 4.5e-6;
CONSTANTS(:,30) = 0.2;
CONSTANTS(:,31) = 0.4;
CONSTANTS(:,32) = 0.0005;
CONSTANTS(:,33) = 0.01;
CONSTANTS(:,34) = 0.01;
CONSTANTS(:,35) = 5;
STATES(:,8) = 0;
CONSTANTS(:,36) = 0.05;
CONSTANTS(:,37) = 50;
CONSTANTS(:,38) = -75;
CONSTANTS(:,39) = 0.0024;
STATES(:,9) = 0;
CONSTANTS(:,40) = 0.415;
CONSTANTS(:,41) = -40;
CONSTANTS(:,42) = 7;
CONSTANTS(:,43) = 40;
CONSTANTS(:,44) = 0.0229;
CONSTANTS(:,45) = 0.09616;
if (isempty(STATES)), warning('Initial values for states not set');, end
end
function [RATES, ALGEBRAIC] = computeRates(VOI, STATES, CONSTANTS)
global algebraicVariableCount;
statesSize = size(STATES);
statesColumnCount = statesSize(2);
if ( statesColumnCount == 1)
STATES = STATES';
ALGEBRAIC = zeros(1, algebraicVariableCount);
utilOnes = 1;
else
statesRowCount = statesSize(1);
ALGEBRAIC = zeros(statesRowCount, algebraicVariableCount);
RATES = zeros(statesRowCount, statesColumnCount);
utilOnes = ones(statesRowCount, 1);
end
RATES(:,4) = (STATES(:,1) - STATES(:,4))./( CONSTANTS(:,18).*CONSTANTS(:,19));
ALGEBRAIC(:,1) = ( CONSTANTS(:,11).*(STATES(:,1) - CONSTANTS(:,8)))./(1.00000 - exp((CONSTANTS(:,8) - STATES(:,1))./CONSTANTS(:,9)));
ALGEBRAIC(:,7) = CONSTANTS(:,12).*exp((CONSTANTS(:,8) - STATES(:,1))./CONSTANTS(:,10));
RATES(:,2) = ALGEBRAIC(:,1).*(1.00000 - STATES(:,2)) - ALGEBRAIC(:,7).*STATES(:,2);
ALGEBRAIC(:,2) = CONSTANTS(:,16).*exp((STATES(:,1) - CONSTANTS(:,13))./CONSTANTS(:,14));
ALGEBRAIC(:,8) = CONSTANTS(:,17)./(1.00000+exp((CONSTANTS(:,13) - STATES(:,1))./CONSTANTS(:,15)));
RATES(:,3) = ALGEBRAIC(:,2).*(1.00000 - STATES(:,3)) - ALGEBRAIC(:,8).*STATES(:,3);
ALGEBRAIC(:,6) = ( CONSTANTS(:,44).*(STATES(:,1) - CONSTANTS(:,41)))./(1.00000 - exp((CONSTANTS(:,41) - STATES(:,1))./CONSTANTS(:,42)));
ALGEBRAIC(:,12) = CONSTANTS(:,45).*exp((CONSTANTS(:,41) - STATES(:,1))./CONSTANTS(:,43));
RATES(:,9) = ALGEBRAIC(:,6).*(1.00000 - STATES(:,9)) - ALGEBRAIC(:,12).*STATES(:,9);
ALGEBRAIC(:,3) = CONSTANTS(:,26)./(1.00000+ CONSTANTS(:,24).*exp(( - 2.00000.*CONSTANTS(:,22).*96.4850.*STATES(:,1))./( CONSTANTS(:,1).*STATES(:,6))));
ALGEBRAIC(:,9) = CONSTANTS(:,27)./(1.00000+STATES(:,6)./( CONSTANTS(:,25).*exp(( - 2.00000.*CONSTANTS(:,23).*96.4850.*STATES(:,1))./CONSTANTS(:,1))));
ALGEBRAIC(:,13) = 1.00000./(ALGEBRAIC(:,3)+ALGEBRAIC(:,9));
ALGEBRAIC(:,16) = ALGEBRAIC(:,3).*ALGEBRAIC(:,13);
RATES(:,5) = (ALGEBRAIC(:,16) - STATES(:,5))./ALGEBRAIC(:,13);
ALGEBRAIC(:,11) = ( 80.0000.*1.00000)./cosh( - 0.0310000.*(STATES(:,1)+37.1000));
ALGEBRAIC(:,5) = 1.00000./(1.00000+exp(( - 24.6000 - STATES(:,1))./11.3000));
ALGEBRAIC(:,15) = ALGEBRAIC(:,5)./ALGEBRAIC(:,11);
ALGEBRAIC(:,18) = (1.00000 - ALGEBRAIC(:,5))./ALGEBRAIC(:,11);
RATES(:,8) = ALGEBRAIC(:,15).*(1.00000 - STATES(:,8)) - ALGEBRAIC(:,18).*STATES(:,8);
ALGEBRAIC(:,22) = CONSTANTS(:,32).*(STATES(:,7) - STATES(:,6));
ALGEBRAIC(:,23) = CONSTANTS(:,31).*STATES(:,6);
ALGEBRAIC(:,24) = ALGEBRAIC(:,22) - ALGEBRAIC(:,23);
RATES(:,7) = - CONSTANTS(:,33).*CONSTANTS(:,35).*ALGEBRAIC(:,24);
ALGEBRAIC(:,25) = ( - CONSTANTS(:,36).*STATES(:,1))./(exp( 0.117000.*STATES(:,1)) - 1.00000);
ALGEBRAIC(:,26) = ALGEBRAIC(:,25).*power(STATES(:,8), 2.00000).*(STATES(:,1) - CONSTANTS(:,37));
ALGEBRAIC(:,28) = - CONSTANTS(:,29).*ALGEBRAIC(:,26).*CONSTANTS(:,30).*STATES(:,6);
RATES(:,6) = CONSTANTS(:,34).*(ALGEBRAIC(:,28)+ALGEBRAIC(:,24));
ALGEBRAIC(:,17) = CONSTANTS(:,6).*power(STATES(:,2), 3.00000).*STATES(:,3).*(STATES(:,1) - CONSTANTS(:,7));
ALGEBRAIC(:,19) = (STATES(:,1) - STATES(:,4))./CONSTANTS(:,18);
ALGEBRAIC(:,20) = power(STATES(:,6), 5.00000)./(power(STATES(:,6), 5.00000)+power(CONSTANTS(:,28), 5.00000));
ALGEBRAIC(:,21) = CONSTANTS(:,20).*STATES(:,5).*ALGEBRAIC(:,20).*(STATES(:,1) - CONSTANTS(:,21));
ALGEBRAIC(:,27) = CONSTANTS(:,39).*(STATES(:,1) - CONSTANTS(:,38));
ALGEBRAIC(:,29) = CONSTANTS(:,40).*power(STATES(:,9), 4.00000).*(STATES(:,1) - CONSTANTS(:,21));
ALGEBRAIC(:,4) = piecewise({VOI<CONSTANTS(:,4), 0.00000 }, 1.00000);
ALGEBRAIC(:,10) = piecewise({VOI<CONSTANTS(:,5), 0.00000 }, 1.00000);
ALGEBRAIC(:,14) = CONSTANTS(:,3).*(ALGEBRAIC(:,4) - ALGEBRAIC(:,10));
RATES(:,1) = (ALGEBRAIC(:,14) - (ALGEBRAIC(:,17)+ALGEBRAIC(:,26)+ALGEBRAIC(:,29)+ALGEBRAIC(:,27)+ALGEBRAIC(:,19)+ALGEBRAIC(:,21)))./CONSTANTS(:,2);
RATES = RATES';
end
% Calculate algebraic variables
function ALGEBRAIC = computeAlgebraic(ALGEBRAIC, CONSTANTS, STATES, VOI)
statesSize = size(STATES);
statesColumnCount = statesSize(2);
if ( statesColumnCount == 1)
STATES = STATES';
utilOnes = 1;
else
statesRowCount = statesSize(1);
utilOnes = ones(statesRowCount, 1);
end
ALGEBRAIC(:,1) = ( CONSTANTS(:,11).*(STATES(:,1) - CONSTANTS(:,8)))./(1.00000 - exp((CONSTANTS(:,8) - STATES(:,1))./CONSTANTS(:,9)));
ALGEBRAIC(:,7) = CONSTANTS(:,12).*exp((CONSTANTS(:,8) - STATES(:,1))./CONSTANTS(:,10));
ALGEBRAIC(:,2) = CONSTANTS(:,16).*exp((STATES(:,1) - CONSTANTS(:,13))./CONSTANTS(:,14));
ALGEBRAIC(:,8) = CONSTANTS(:,17)./(1.00000+exp((CONSTANTS(:,13) - STATES(:,1))./CONSTANTS(:,15)));
ALGEBRAIC(:,6) = ( CONSTANTS(:,44).*(STATES(:,1) - CONSTANTS(:,41)))./(1.00000 - exp((CONSTANTS(:,41) - STATES(:,1))./CONSTANTS(:,42)));
ALGEBRAIC(:,12) = CONSTANTS(:,45).*exp((CONSTANTS(:,41) - STATES(:,1))./CONSTANTS(:,43));
ALGEBRAIC(:,3) = CONSTANTS(:,26)./(1.00000+ CONSTANTS(:,24).*exp(( - 2.00000.*CONSTANTS(:,22).*96.4850.*STATES(:,1))./( CONSTANTS(:,1).*STATES(:,6))));
ALGEBRAIC(:,9) = CONSTANTS(:,27)./(1.00000+STATES(:,6)./( CONSTANTS(:,25).*exp(( - 2.00000.*CONSTANTS(:,23).*96.4850.*STATES(:,1))./CONSTANTS(:,1))));
ALGEBRAIC(:,13) = 1.00000./(ALGEBRAIC(:,3)+ALGEBRAIC(:,9));
ALGEBRAIC(:,16) = ALGEBRAIC(:,3).*ALGEBRAIC(:,13);
ALGEBRAIC(:,11) = ( 80.0000.*1.00000)./cosh( - 0.0310000.*(STATES(:,1)+37.1000));
ALGEBRAIC(:,5) = 1.00000./(1.00000+exp(( - 24.6000 - STATES(:,1))./11.3000));
ALGEBRAIC(:,15) = ALGEBRAIC(:,5)./ALGEBRAIC(:,11);
ALGEBRAIC(:,18) = (1.00000 - ALGEBRAIC(:,5))./ALGEBRAIC(:,11);
ALGEBRAIC(:,22) = CONSTANTS(:,32).*(STATES(:,7) - STATES(:,6));
ALGEBRAIC(:,23) = CONSTANTS(:,31).*STATES(:,6);
ALGEBRAIC(:,24) = ALGEBRAIC(:,22) - ALGEBRAIC(:,23);
ALGEBRAIC(:,25) = ( - CONSTANTS(:,36).*STATES(:,1))./(exp( 0.117000.*STATES(:,1)) - 1.00000);
ALGEBRAIC(:,26) = ALGEBRAIC(:,25).*power(STATES(:,8), 2.00000).*(STATES(:,1) - CONSTANTS(:,37));
ALGEBRAIC(:,28) = - CONSTANTS(:,29).*ALGEBRAIC(:,26).*CONSTANTS(:,30).*STATES(:,6);
ALGEBRAIC(:,17) = CONSTANTS(:,6).*power(STATES(:,2), 3.00000).*STATES(:,3).*(STATES(:,1) - CONSTANTS(:,7));
ALGEBRAIC(:,19) = (STATES(:,1) - STATES(:,4))./CONSTANTS(:,18);
ALGEBRAIC(:,20) = power(STATES(:,6), 5.00000)./(power(STATES(:,6), 5.00000)+power(CONSTANTS(:,28), 5.00000));
ALGEBRAIC(:,21) = CONSTANTS(:,20).*STATES(:,5).*ALGEBRAIC(:,20).*(STATES(:,1) - CONSTANTS(:,21));
ALGEBRAIC(:,27) = CONSTANTS(:,39).*(STATES(:,1) - CONSTANTS(:,38));
ALGEBRAIC(:,29) = CONSTANTS(:,40).*power(STATES(:,9), 4.00000).*(STATES(:,1) - CONSTANTS(:,21));
ALGEBRAIC(:,4) = piecewise({VOI<CONSTANTS(:,4), 0.00000 }, 1.00000);
ALGEBRAIC(:,10) = piecewise({VOI<CONSTANTS(:,5), 0.00000 }, 1.00000);
ALGEBRAIC(:,14) = CONSTANTS(:,3).*(ALGEBRAIC(:,4) - ALGEBRAIC(:,10));
end
% Compute result of a piecewise function
function x = piecewise(cases, default)
set = [0];
for i = 1:2:length(cases)
if (length(cases{i+1}) == 1)
x(cases{i} & ~set,:) = cases{i+1};
else
x(cases{i} & ~set,:) = cases{i+1}(cases{i} & ~set);
end
set = set | cases{i};
if(set), break, end
end
if (length(default) == 1)
x(~set,:) = default;
else
x(~set,:) = default(~set);
end
end
% Pad out or shorten strings to a set length
function strout = strpad(strin)
req_length = 160;
insize = size(strin,2);
if insize > req_length
strout = strin(1:req_length);
else
strout = [strin, blanks(req_length - insize)];
end
end