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 =14;
end
% There are a total of 4 entries in each of the rate and state variable arrays.
% There are a total of 40 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 (day)');
LEGEND_STATES(:,1) = strpad('OB_p in component OB_p (dimensionless)');
LEGEND_CONSTANTS(:,1) = strpad('D_OB_u in component OB_p (first_order_rate_constant)');
LEGEND_CONSTANTS(:,2) = strpad('pd_OB_p in component OB_p (first_order_rate_constant)');
LEGEND_ALGEBRAIC(:,2) = strpad('pi_TGF_beta_act in component TGF_beta (dimensionless)');
LEGEND_ALGEBRAIC(:,3) = strpad('pi_TGF_beta_rep in component TGF_beta (dimensionless)');
LEGEND_CONSTANTS(:,3) = strpad('D_OB_p in component model_parameters (first_order_rate_constant)');
LEGEND_STATES(:,2) = strpad('OB_a in component OB_a (dimensionless)');
LEGEND_CONSTANTS(:,4) = strpad('A_OB_a in component OB_a (first_order_rate_constant)');
LEGEND_CONSTANTS(:,5) = strpad('pd_OB_a in component OB_a (first_order_rate_constant)');
LEGEND_STATES(:,3) = strpad('OC_a in component OC_a (dimensionless)');
LEGEND_ALGEBRAIC(:,1) = strpad('D_OC_p in component OC_a (first_order_rate_constant)');
LEGEND_CONSTANTS(:,6) = strpad('A_OC_a in component OC_a (first_order_rate_constant)');
LEGEND_CONSTANTS(:,7) = strpad('pd_OC_a in component OC_a (first_order_rate_constant)');
LEGEND_ALGEBRAIC(:,14) = strpad('pi_RANKL_act in component RANKL (dimensionless)');
LEGEND_STATES(:,4) = strpad('BV in component BV (dimensionless)');
LEGEND_CONSTANTS(:,8) = strpad('OC_a_initial in component BV (dimensionless)');
LEGEND_CONSTANTS(:,9) = strpad('OB_a_initial in component BV (dimensionless)');
LEGEND_CONSTANTS(:,10) = strpad('k_form in component BV (first_order_rate_constant)');
LEGEND_CONSTANTS(:,11) = strpad('k_res in component BV (first_order_rate_constant)');
LEGEND_CONSTANTS(:,12) = strpad('KD_TGF_repress in component TGF_beta (pM)');
LEGEND_CONSTANTS(:,13) = strpad('KD_TGF_activate in component TGF_beta (pM)');
LEGEND_CONSTANTS(:,14) = strpad('alpha in component TGF_beta (pM)');
LEGEND_CONSTANTS(:,39) = strpad('pi_PTH_act in component PTH (dimensionless)');
LEGEND_CONSTANTS(:,40) = strpad('pi_PTH_rep in component PTH (dimensionless)');
LEGEND_CONSTANTS(:,15) = strpad('beta_PTH in component PTH (flux)');
LEGEND_CONSTANTS(:,16) = strpad('Deg_PTH in component PTH (first_order_rate_constant)');
LEGEND_CONSTANTS(:,17) = strpad('P_PTH_d in component PTH (flux)');
LEGEND_CONSTANTS(:,36) = strpad('PTH_tot in component PTH (pM)');
LEGEND_CONSTANTS(:,18) = strpad('KD_PTH_repress in component PTH (pM)');
LEGEND_CONSTANTS(:,19) = strpad('KD_PTH_activate in component PTH (pM)');
LEGEND_ALGEBRAIC(:,5) = strpad('OPG in component OPG (pM)');
LEGEND_CONSTANTS(:,20) = strpad('beta_OPG in component OPG (flux)');
LEGEND_CONSTANTS(:,21) = strpad('beta1_OB_p_OPG in component OPG (dimensionless)');
LEGEND_CONSTANTS(:,22) = strpad('beta2_OB_a_OPG in component OPG (dimensionless)');
LEGEND_CONSTANTS(:,23) = strpad('OPG_max in component OPG (pM)');
LEGEND_ALGEBRAIC(:,4) = strpad('OPG_eff in component OPG (flux)');
LEGEND_CONSTANTS(:,24) = strpad('P_OPG_d in component OPG (flux)');
LEGEND_CONSTANTS(:,25) = strpad('Deg_OPG in component OPG (first_order_rate_constant)');
LEGEND_ALGEBRAIC(:,6) = strpad('Degr_OPG in component OPG (flux)');
LEGEND_ALGEBRAIC(:,7) = strpad('prod_OPG in component OPG (flux)');
LEGEND_ALGEBRAIC(:,10) = strpad('RANKL in component RANKL (dimensionless)');
LEGEND_CONSTANTS(:,26) = strpad('K_A2_RANKL in component RANKL (dimensionless)');
LEGEND_CONSTANTS(:,27) = strpad('K_A1_RANKL in component RANKL (dimensionless)');
LEGEND_CONSTANTS(:,28) = strpad('RANK in component RANKL (pM)');
LEGEND_ALGEBRAIC(:,8) = strpad('RANKL_eff in component RANKL (pM)');
LEGEND_ALGEBRAIC(:,9) = strpad('RANKL_tot in component RANKL (pM)');
LEGEND_CONSTANTS(:,37) = strpad('K_RANKL_OB_p in component RANKL (pM)');
LEGEND_CONSTANTS(:,38) = strpad('K_RANKL_OB_a in component RANKL (pM)');
LEGEND_ALGEBRAIC(:,12) = strpad('OPG_RANKL in component RANKL (pM)');
LEGEND_CONSTANTS(:,29) = strpad('R_RANKL in component RANKL (dimensionless)');
LEGEND_ALGEBRAIC(:,11) = strpad('RANKL_RANK in component RANKL (pM)');
LEGEND_ALGEBRAIC(:,13) = strpad('pd_RANKL in component RANKL (flux)');
LEGEND_CONSTANTS(:,30) = strpad('P_RANKL_d in component RANKL (flux)');
LEGEND_CONSTANTS(:,31) = strpad('R1_OB_p_RANKL in component RANKL (pM)');
LEGEND_CONSTANTS(:,32) = strpad('R2_OB_a_RANKL in component RANKL (pM)');
LEGEND_CONSTANTS(:,33) = strpad('beta_RANKL in component RANKL (flux)');
LEGEND_CONSTANTS(:,34) = strpad('Deg_RANKL in component RANKL (first_order_rate_constant)');
LEGEND_CONSTANTS(:,35) = strpad('KD_RANKL_activate in component RANKL (pM)');
LEGEND_RATES(:,1) = strpad('d/dt OB_p in component OB_p (dimensionless)');
LEGEND_RATES(:,2) = strpad('d/dt OB_a in component OB_a (dimensionless)');
LEGEND_RATES(:,3) = strpad('d/dt OC_a in component OC_a (dimensionless)');
LEGEND_RATES(:,4) = strpad('d/dt BV in component BV (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 = [];
STATES(:,1) = 6.194e-4;
CONSTANTS(:,1) = 7.000e-4;
CONSTANTS(:,2) = 0.0;
CONSTANTS(:,3) = 2.674e-1;
STATES(:,2) = 5.584e-4;
CONSTANTS(:,4) = 1.890e-1;
CONSTANTS(:,5) = 0.0;
STATES(:,3) = 8.070e-4;
CONSTANTS(:,6) = 7.000e-1;
CONSTANTS(:,7) = 0.0;
STATES(:,4) = 100.0;
CONSTANTS(:,8) = 1.0;
CONSTANTS(:,9) = 1.0;
CONSTANTS(:,10) = 1.571e0;
CONSTANTS(:,11) = 200.00;
CONSTANTS(:,12) = 1.416e-3;
CONSTANTS(:,13) = 4.545e-3;
CONSTANTS(:,14) = 1.0;
CONSTANTS(:,15) = 2.500e2;
CONSTANTS(:,16) = 8.600e1;
CONSTANTS(:,17) = 0.0;
CONSTANTS(:,18) = 1.5e2;
CONSTANTS(:,19) = 2.226e-1;
CONSTANTS(:,20) = 1.625e8;
CONSTANTS(:,21) = 0.0;
CONSTANTS(:,22) = 1.0;
CONSTANTS(:,23) = 2.000e8;
CONSTANTS(:,24) = 0.0;
CONSTANTS(:,25) = 3.500e-1;
CONSTANTS(:,26) = 3.412e-2;
CONSTANTS(:,27) = 1.000e-3;
CONSTANTS(:,28) = 1.000e1;
CONSTANTS(:,29) = 2.703e6;
CONSTANTS(:,30) = 0.0;
CONSTANTS(:,31) = 1.0;
CONSTANTS(:,32) = 0.0;
CONSTANTS(:,33) = 1.684e4;
CONSTANTS(:,34) = 1.013e1;
CONSTANTS(:,35) = 4.457e0;
CONSTANTS(:,36) = (CONSTANTS(:,15)+CONSTANTS(:,17))./CONSTANTS(:,16);
CONSTANTS(:,37) = CONSTANTS(:,31).*CONSTANTS(:,29);
CONSTANTS(:,38) = CONSTANTS(:,32).*CONSTANTS(:,29);
CONSTANTS(:,39) = CONSTANTS(:,36)./(CONSTANTS(:,36)+CONSTANTS(:,19));
CONSTANTS(:,40) = 1.00000./(1.00000+CONSTANTS(:,36)./CONSTANTS(:,18));
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) = CONSTANTS(:,10).*(STATES(:,2) - CONSTANTS(:,9)) - CONSTANTS(:,11).*(STATES(:,3) - CONSTANTS(:,8));
ALGEBRAIC(:,2) = ( CONSTANTS(:,14).*STATES(:,3))./(CONSTANTS(:,13)+ CONSTANTS(:,14).*STATES(:,3));
ALGEBRAIC(:,3) = 1.00000./(1.00000+( CONSTANTS(:,14).*STATES(:,3))./CONSTANTS(:,12));
RATES(:,1) = ( CONSTANTS(:,1).*ALGEBRAIC(:,2) - CONSTANTS(:,3).*ALGEBRAIC(:,3).*STATES(:,1))+CONSTANTS(:,2);
RATES(:,2) = ( CONSTANTS(:,3).*ALGEBRAIC(:,3).*STATES(:,1) - CONSTANTS(:,4).*STATES(:,2))+CONSTANTS(:,5);
ALGEBRAIC(:,1) = piecewise({VOI>0.00000&VOI<=100.000, 0.0210000 }, 0.00210000);
ALGEBRAIC(:,8) = ( CONSTANTS(:,37).*STATES(:,1)+ CONSTANTS(:,38).*STATES(:,2)).*CONSTANTS(:,39);
ALGEBRAIC(:,4) = ( CONSTANTS(:,21).*CONSTANTS(:,20).*STATES(:,1)+ CONSTANTS(:,22).*CONSTANTS(:,20).*STATES(:,2)).*CONSTANTS(:,40);
ALGEBRAIC(:,5) = (CONSTANTS(:,24)+ALGEBRAIC(:,4))./(ALGEBRAIC(:,4)./CONSTANTS(:,23)+CONSTANTS(:,25));
ALGEBRAIC(:,9) = 1.00000+ CONSTANTS(:,26).*CONSTANTS(:,28)+ CONSTANTS(:,27).*ALGEBRAIC(:,5);
ALGEBRAIC(:,10) = (CONSTANTS(:,33)+CONSTANTS(:,30))./( ALGEBRAIC(:,9).*(CONSTANTS(:,33)./ALGEBRAIC(:,8)+CONSTANTS(:,34)));
ALGEBRAIC(:,11) = CONSTANTS(:,26).*ALGEBRAIC(:,10).*CONSTANTS(:,28);
ALGEBRAIC(:,14) = ALGEBRAIC(:,11)./(CONSTANTS(:,35)+ALGEBRAIC(:,11));
RATES(:,3) = ( ALGEBRAIC(:,1).*ALGEBRAIC(:,14) - CONSTANTS(:,6).*ALGEBRAIC(:,2).*STATES(:,3))+CONSTANTS(:,7);
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(:,2) = ( CONSTANTS(:,14).*STATES(:,3))./(CONSTANTS(:,13)+ CONSTANTS(:,14).*STATES(:,3));
ALGEBRAIC(:,3) = 1.00000./(1.00000+( CONSTANTS(:,14).*STATES(:,3))./CONSTANTS(:,12));
ALGEBRAIC(:,1) = piecewise({VOI>0.00000&VOI<=100.000, 0.0210000 }, 0.00210000);
ALGEBRAIC(:,8) = ( CONSTANTS(:,37).*STATES(:,1)+ CONSTANTS(:,38).*STATES(:,2)).*CONSTANTS(:,39);
ALGEBRAIC(:,4) = ( CONSTANTS(:,21).*CONSTANTS(:,20).*STATES(:,1)+ CONSTANTS(:,22).*CONSTANTS(:,20).*STATES(:,2)).*CONSTANTS(:,40);
ALGEBRAIC(:,5) = (CONSTANTS(:,24)+ALGEBRAIC(:,4))./(ALGEBRAIC(:,4)./CONSTANTS(:,23)+CONSTANTS(:,25));
ALGEBRAIC(:,9) = 1.00000+ CONSTANTS(:,26).*CONSTANTS(:,28)+ CONSTANTS(:,27).*ALGEBRAIC(:,5);
ALGEBRAIC(:,10) = (CONSTANTS(:,33)+CONSTANTS(:,30))./( ALGEBRAIC(:,9).*(CONSTANTS(:,33)./ALGEBRAIC(:,8)+CONSTANTS(:,34)));
ALGEBRAIC(:,11) = CONSTANTS(:,26).*ALGEBRAIC(:,10).*CONSTANTS(:,28);
ALGEBRAIC(:,14) = ALGEBRAIC(:,11)./(CONSTANTS(:,35)+ALGEBRAIC(:,11));
ALGEBRAIC(:,6) = CONSTANTS(:,25).*ALGEBRAIC(:,5);
ALGEBRAIC(:,7) = ALGEBRAIC(:,4).*(1.00000 - ALGEBRAIC(:,5)./CONSTANTS(:,23))+CONSTANTS(:,24);
ALGEBRAIC(:,12) = CONSTANTS(:,27).*ALGEBRAIC(:,5).*ALGEBRAIC(:,10);
ALGEBRAIC(:,13) = ( CONSTANTS(:,33).*(1.00000 - ALGEBRAIC(:,10).*(ALGEBRAIC(:,9)./ALGEBRAIC(:,8))) - CONSTANTS(:,34).*ALGEBRAIC(:,10).*ALGEBRAIC(:,9))+CONSTANTS(:,30);
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