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 =24;
end
% There are a total of 7 entries in each of the rate and state variable arrays.
% There are a total of 51 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('t in component environment (second)');
LEGEND_ALGEBRAIC(:,12) = strpad('Pi in component TempCDa (UnitP)');
LEGEND_STATES(:,1) = strpad('Pi in component TempRLC (UnitP)');
LEGEND_ALGEBRAIC(:,21) = strpad('Qo in component TempRC (UnitQ)');
LEGEND_ALGEBRAIC(:,19) = strpad('Qvi in component TempDPump (UnitQ)');
LEGEND_ALGEBRAIC(:,7) = strpad('Qo in component TempCDv (UnitQ)');
LEGEND_ALGEBRAIC(:,8) = strpad('Pi in component TJoint (UnitP)');
LEGEND_ALGEBRAIC(:,18) = strpad('Qvo in component TempDPump (UnitQ)');
LEGEND_ALGEBRAIC(:,1) = strpad('Pi in component TJoint (UnitP)');
LEGEND_ALGEBRAIC(:,5) = strpad('Pi in component TempCDv (UnitP)');
LEGEND_ALGEBRAIC(:,22) = strpad('Qo in component TJoint (UnitQ)');
LEGEND_CONSTANTS(:,1) = strpad('CVao in component ParaHeartP (UnitCV)');
LEGEND_ALGEBRAIC(:,4) = strpad('E in component EVentricle (UnitE)');
LEGEND_STATES(:,2) = strpad('V in component TempCDv (UnitV)');
LEGEND_CONSTANTS(:,2) = strpad('PlvIni in component ParaHeartP (UnitP)');
LEGEND_CONSTANTS(:,3) = strpad('VlvIni in component ParaHeartP (UnitV)');
LEGEND_ALGEBRAIC(:,6) = strpad('Tao in component TempCDv (dimensionless)');
LEGEND_CONSTANTS(:,4) = strpad('Vlv0 in component ParaHeartP (UnitV)');
LEGEND_ALGEBRAIC(:,14) = strpad('Qo in component TempCDa (UnitQ)');
LEGEND_CONSTANTS(:,5) = strpad('CVmi in component ParaHeartP (UnitCV)');
LEGEND_ALGEBRAIC(:,11) = strpad('E in component EAtrium (UnitE)');
LEGEND_STATES(:,3) = strpad('V in component TempCDa (UnitV)');
LEGEND_CONSTANTS(:,6) = strpad('PlaIni in component ParaHeartP (UnitP)');
LEGEND_CONSTANTS(:,7) = strpad('VlaIni in component ParaHeartP (UnitV)');
LEGEND_ALGEBRAIC(:,13) = strpad('Tao in component TempCDa (dimensionless)');
LEGEND_CONSTANTS(:,8) = strpad('Vla0 in component ParaHeartP (UnitV)');
LEGEND_CONSTANTS(:,9) = strpad('ElvMax in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,10) = strpad('ElvMin in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,11) = strpad('T in component ParaHeartP (second)');
LEGEND_CONSTANTS(:,12) = strpad('Ts1 in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,13) = strpad('Ts2 in component ParaHeartP (dimensionless)');
LEGEND_ALGEBRAIC(:,2) = strpad('mt in component EVentricle (second)');
LEGEND_ALGEBRAIC(:,3) = strpad('et in component EVentricle (dimensionless)');
LEGEND_CONSTANTS(:,14) = strpad('ElaMax in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,15) = strpad('ElaMin in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,16) = strpad('Tpwb in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,17) = strpad('Tpww in component ParaHeartP (dimensionless)');
LEGEND_ALGEBRAIC(:,9) = strpad('mt in component EAtrium (second)');
LEGEND_ALGEBRAIC(:,10) = strpad('et in component EAtrium (dimensionless)');
LEGEND_STATES(:,4) = strpad('Qo in component TempRLC (UnitQ)');
LEGEND_CONSTANTS(:,18) = strpad('Rsas in component ParaSys (UnitR)');
LEGEND_CONSTANTS(:,19) = strpad('Csas in component ParaSys (UnitC)');
LEGEND_CONSTANTS(:,20) = strpad('Lsas in component ParaSys (UnitL)');
LEGEND_CONSTANTS(:,21) = strpad('P0sas in component ParaSys (UnitP)');
LEGEND_CONSTANTS(:,22) = strpad('Q0sas in component ParaSys (UnitQ)');
LEGEND_STATES(:,5) = strpad('Pi in component TempRLC (UnitP)');
LEGEND_ALGEBRAIC(:,23) = strpad('Qo in component TJoint (UnitQ)');
LEGEND_ALGEBRAIC(:,24) = strpad('Pi in component TempR (UnitP)');
LEGEND_STATES(:,6) = strpad('Qo in component TempRLC (UnitQ)');
LEGEND_CONSTANTS(:,23) = strpad('Rsat in component ParaSys (UnitR)');
LEGEND_CONSTANTS(:,24) = strpad('Csat in component ParaSys (UnitC)');
LEGEND_CONSTANTS(:,25) = strpad('Lsat in component ParaSys (UnitL)');
LEGEND_CONSTANTS(:,26) = strpad('P0sat in component ParaSys (UnitP)');
LEGEND_CONSTANTS(:,27) = strpad('Q0sat in component ParaSys (UnitQ)');
LEGEND_ALGEBRAIC(:,20) = strpad('Pi in component TempR (UnitP)');
LEGEND_ALGEBRAIC(:,15) = strpad('Qo in component TempR (UnitQ)');
LEGEND_CONSTANTS(:,28) = strpad('Rsar in component ParaSys (UnitR)');
LEGEND_STATES(:,7) = strpad('Pi in component TempRC (UnitP)');
LEGEND_ALGEBRAIC(:,17) = strpad('Qo in component TempR (UnitQ)');
LEGEND_CONSTANTS(:,29) = strpad('Rscp in component ParaSys (UnitR)');
LEGEND_CONSTANTS(:,30) = strpad('Rsvn in component ParaSys (UnitR)');
LEGEND_CONSTANTS(:,31) = strpad('Csvn in component ParaSys (UnitC)');
LEGEND_CONSTANTS(:,32) = strpad('P0svn in component ParaSys (UnitP)');
LEGEND_CONSTANTS(:,33) = strpad('Qai in component ParaDPump (UnitQ)');
LEGEND_CONSTANTS(:,34) = strpad('Qao in component ParaDPump (UnitQ)');
LEGEND_ALGEBRAIC(:,16) = strpad('mt in component TempDPump (second)');
LEGEND_CONSTANTS(:,35) = strpad('Ts2 in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,36) = strpad('T in component ParaHeartP (second)');
LEGEND_CONSTANTS(:,37) = strpad('ElaMax in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,38) = strpad('ElaMin in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,39) = strpad('PlaIni in component ParaHeartP (UnitP)');
LEGEND_CONSTANTS(:,40) = strpad('VlaIni in component ParaHeartP (UnitV)');
LEGEND_CONSTANTS(:,41) = strpad('ElvMax in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,42) = strpad('ElvMin in component ParaHeartP (UnitE)');
LEGEND_CONSTANTS(:,43) = strpad('PlvIni in component ParaHeartP (UnitP)');
LEGEND_CONSTANTS(:,44) = strpad('VlvIni in component ParaHeartP (UnitV)');
LEGEND_CONSTANTS(:,45) = strpad('Tpwb in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,46) = strpad('Tpww in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,47) = strpad('Ts1 in component ParaHeartP (dimensionless)');
LEGEND_CONSTANTS(:,48) = strpad('CVao in component ParaHeartP (UnitCV)');
LEGEND_CONSTANTS(:,49) = strpad('CVmi in component ParaHeartP (UnitCV)');
LEGEND_CONSTANTS(:,50) = strpad('Vlv0 in component ParaHeartP (UnitV)');
LEGEND_CONSTANTS(:,51) = strpad('Vla0 in component ParaHeartP (UnitV)');
LEGEND_RATES(:,2) = strpad('d/dt V in component TempCDv (UnitV)');
LEGEND_RATES(:,3) = strpad('d/dt V in component TempCDa (UnitV)');
LEGEND_RATES(:,1) = strpad('d/dt Pi in component TempRLC (UnitP)');
LEGEND_RATES(:,4) = strpad('d/dt Qo in component TempRLC (UnitQ)');
LEGEND_RATES(:,5) = strpad('d/dt Pi in component TempRLC (UnitP)');
LEGEND_RATES(:,6) = strpad('d/dt Qo in component TempRLC (UnitQ)');
LEGEND_RATES(:,7) = strpad('d/dt Pi in component TempRC (UnitP)');
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) = 350.;
CONSTANTS(:,2) = 1.0;
CONSTANTS(:,3) = 5.0;
CONSTANTS(:,4) = 500;
CONSTANTS(:,5) = 400.;
CONSTANTS(:,6) = 1.0;
CONSTANTS(:,7) = 4.0;
CONSTANTS(:,8) = 20;
CONSTANTS(:,9) = 0.5;
CONSTANTS(:,10) = 0.1;
CONSTANTS(:,11) = 1.0;
CONSTANTS(:,12) = 0.3;
CONSTANTS(:,13) = 0.45;
CONSTANTS(:,14) = 0.25;
CONSTANTS(:,15) = 0.15;
CONSTANTS(:,16) = 0.92;
CONSTANTS(:,17) = 0.09;
CONSTANTS(:,18) = 0.003;
CONSTANTS(:,19) = 0.08;
CONSTANTS(:,20) = 0.000062;
CONSTANTS(:,21) = 100.;
CONSTANTS(:,22) = 0.;
CONSTANTS(:,23) = 0.05;
CONSTANTS(:,24) = 1.6;
CONSTANTS(:,25) = 0.0017;
CONSTANTS(:,26) = 100.;
CONSTANTS(:,27) = 0.;
CONSTANTS(:,28) = 0.5;
CONSTANTS(:,29) = 0.52;
CONSTANTS(:,30) = 0.075;
CONSTANTS(:,31) = 20.5;
CONSTANTS(:,32) = 0.;
CONSTANTS(:,33) = -300;
CONSTANTS(:,34) = 200;
CONSTANTS(:,35) = 0.45;
CONSTANTS(:,36) = 1.0;
CONSTANTS(:,37) = 0.25;
CONSTANTS(:,38) = 0.15;
CONSTANTS(:,39) = 1.0;
CONSTANTS(:,40) = 4.0;
CONSTANTS(:,41) = 0.5;
CONSTANTS(:,42) = 0.1;
CONSTANTS(:,43) = 1.0;
CONSTANTS(:,44) = 5.0;
CONSTANTS(:,45) = 0.92;
CONSTANTS(:,46) = 0.09;
CONSTANTS(:,47) = 0.3;
CONSTANTS(:,48) = 350.;
CONSTANTS(:,49) = 400.;
CONSTANTS(:,50) = 500;
CONSTANTS(:,51) = 20;
STATES(:,1) = CONSTANTS(:,21);
STATES(:,2) = CONSTANTS(:,4);
STATES(:,3) = CONSTANTS(:,8);
STATES(:,4) = CONSTANTS(:,22);
STATES(:,5) = CONSTANTS(:,26);
STATES(:,6) = CONSTANTS(:,27);
STATES(:,7) = CONSTANTS(:,32);
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
ALGEBRAIC(:,1) = STATES(:,5);
RATES(:,4) = ((STATES(:,1) - ALGEBRAIC(:,1)) - CONSTANTS(:,18).*STATES(:,4))./CONSTANTS(:,20);
ALGEBRAIC(:,2) = VOI - CONSTANTS(:,11).*floor(VOI./CONSTANTS(:,11));
ALGEBRAIC(:,3) = piecewise({ALGEBRAIC(:,2)>=0.00000&ALGEBRAIC(:,2)<= CONSTANTS(:,12).*CONSTANTS(:,11), 1.00000 - cos(( 3.14159.*ALGEBRAIC(:,2))./( CONSTANTS(:,12).*CONSTANTS(:,11))) , ALGEBRAIC(:,2)> CONSTANTS(:,12).*CONSTANTS(:,11)&ALGEBRAIC(:,2)<= CONSTANTS(:,13).*CONSTANTS(:,11), 1.00000+cos(( 3.14159.*(ALGEBRAIC(:,2) - CONSTANTS(:,12).*CONSTANTS(:,11)))./( (CONSTANTS(:,13) - CONSTANTS(:,12)).*CONSTANTS(:,11))) , ALGEBRAIC(:,2)> CONSTANTS(:,13).*CONSTANTS(:,11)&ALGEBRAIC(:,2)<CONSTANTS(:,11), 0.00000 }, NaN);
ALGEBRAIC(:,4) = CONSTANTS(:,10)+( ALGEBRAIC(:,3).*(CONSTANTS(:,9) - CONSTANTS(:,10)))./2.00000;
ALGEBRAIC(:,5) = CONSTANTS(:,2)+ ALGEBRAIC(:,4).*(STATES(:,2) - CONSTANTS(:,3));
ALGEBRAIC(:,6) = piecewise({ALGEBRAIC(:,5)>=STATES(:,1), 1.00000 , ALGEBRAIC(:,5)<STATES(:,1), 0.00000 }, NaN);
ALGEBRAIC(:,7) = piecewise({ALGEBRAIC(:,5)>=STATES(:,1), CONSTANTS(:,1).*ALGEBRAIC(:,6).*power(abs(ALGEBRAIC(:,5) - STATES(:,1)), 0.500000) , ALGEBRAIC(:,5)<STATES(:,1), -1.00000.*CONSTANTS(:,1).*ALGEBRAIC(:,6).*power(abs(STATES(:,1) - ALGEBRAIC(:,5)), 0.500000) }, NaN);
RATES(:,1) = (ALGEBRAIC(:,7) - STATES(:,4))./CONSTANTS(:,19);
ALGEBRAIC(:,16) = VOI - CONSTANTS(:,36).*floor(VOI./CONSTANTS(:,36));
ALGEBRAIC(:,19) = piecewise({ALGEBRAIC(:,16)>=0.00000&ALGEBRAIC(:,16)<= CONSTANTS(:,35).*CONSTANTS(:,36), 0.500000.*CONSTANTS(:,33).*(1.00000 - cos(( 2.00000.*3.14159.*ALGEBRAIC(:,16))./( CONSTANTS(:,35).*CONSTANTS(:,36)))) , ALGEBRAIC(:,16)> CONSTANTS(:,35).*CONSTANTS(:,36)&ALGEBRAIC(:,16)<CONSTANTS(:,36), 0.00000 }, NaN);
ALGEBRAIC(:,9) = VOI - CONSTANTS(:,11).*floor(VOI./CONSTANTS(:,11));
ALGEBRAIC(:,10) = piecewise({ALGEBRAIC(:,9)>=0.00000&ALGEBRAIC(:,9)<= ((CONSTANTS(:,16)+CONSTANTS(:,17)) - 1.00000).*CONSTANTS(:,11), 1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,9) - (CONSTANTS(:,16) - 1.00000).*CONSTANTS(:,11)))./( CONSTANTS(:,17).*CONSTANTS(:,11))) , ALGEBRAIC(:,9)> ((CONSTANTS(:,16)+CONSTANTS(:,17)) - 1.00000).*CONSTANTS(:,11)&ALGEBRAIC(:,9)<= CONSTANTS(:,16).*CONSTANTS(:,11), 0.00000 , ALGEBRAIC(:,9)> CONSTANTS(:,16).*CONSTANTS(:,11)&ALGEBRAIC(:,9)<=CONSTANTS(:,11), 1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,9) - CONSTANTS(:,16).*CONSTANTS(:,11)))./( CONSTANTS(:,17).*CONSTANTS(:,11))) }, NaN);
ALGEBRAIC(:,11) = CONSTANTS(:,15)+( ALGEBRAIC(:,10).*(CONSTANTS(:,14) - CONSTANTS(:,15)))./2.00000;
ALGEBRAIC(:,12) = CONSTANTS(:,6)+ ALGEBRAIC(:,11).*(STATES(:,3) - CONSTANTS(:,7));
ALGEBRAIC(:,8) = ALGEBRAIC(:,5);
ALGEBRAIC(:,13) = piecewise({ALGEBRAIC(:,12)>=ALGEBRAIC(:,8), 1.00000 , ALGEBRAIC(:,12)<ALGEBRAIC(:,8), 0.00000 }, NaN);
ALGEBRAIC(:,14) = piecewise({ALGEBRAIC(:,12)>=ALGEBRAIC(:,8), CONSTANTS(:,5).*ALGEBRAIC(:,13).*power(abs(ALGEBRAIC(:,12) - ALGEBRAIC(:,8)), 0.500000) , ALGEBRAIC(:,12)<ALGEBRAIC(:,8), -1.00000.*CONSTANTS(:,5).*ALGEBRAIC(:,13).*power(abs(ALGEBRAIC(:,8) - ALGEBRAIC(:,12)), 0.500000) }, NaN);
ALGEBRAIC(:,22) = ALGEBRAIC(:,14)+ALGEBRAIC(:,19);
RATES(:,2) = ALGEBRAIC(:,22) - ALGEBRAIC(:,7);
ALGEBRAIC(:,21) = (STATES(:,7) - ALGEBRAIC(:,12))./CONSTANTS(:,30);
RATES(:,3) = ALGEBRAIC(:,21) - ALGEBRAIC(:,14);
ALGEBRAIC(:,18) = piecewise({ALGEBRAIC(:,16)>=0.00000&ALGEBRAIC(:,16)<= CONSTANTS(:,35).*CONSTANTS(:,36), 0.00000 , ALGEBRAIC(:,16)> CONSTANTS(:,35).*CONSTANTS(:,36)&ALGEBRAIC(:,16)<CONSTANTS(:,36), 0.500000.*CONSTANTS(:,34).*(1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,16) - CONSTANTS(:,35).*CONSTANTS(:,36)))./(CONSTANTS(:,36) - CONSTANTS(:,35).*CONSTANTS(:,36)))) }, NaN);
ALGEBRAIC(:,23) = STATES(:,4)+ALGEBRAIC(:,18);
RATES(:,5) = (ALGEBRAIC(:,23) - STATES(:,6))./CONSTANTS(:,24);
ALGEBRAIC(:,15) = STATES(:,6);
ALGEBRAIC(:,20) = STATES(:,7)+ CONSTANTS(:,29).*ALGEBRAIC(:,15);
ALGEBRAIC(:,24) = ALGEBRAIC(:,20)+ CONSTANTS(:,28).*STATES(:,6);
RATES(:,6) = ((STATES(:,5) - ALGEBRAIC(:,24)) - CONSTANTS(:,23).*STATES(:,6))./CONSTANTS(:,25);
ALGEBRAIC(:,17) = ALGEBRAIC(:,15);
RATES(:,7) = (ALGEBRAIC(:,17) - ALGEBRAIC(:,21))./CONSTANTS(:,31);
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) = STATES(:,5);
ALGEBRAIC(:,2) = VOI - CONSTANTS(:,11).*floor(VOI./CONSTANTS(:,11));
ALGEBRAIC(:,3) = piecewise({ALGEBRAIC(:,2)>=0.00000&ALGEBRAIC(:,2)<= CONSTANTS(:,12).*CONSTANTS(:,11), 1.00000 - cos(( 3.14159.*ALGEBRAIC(:,2))./( CONSTANTS(:,12).*CONSTANTS(:,11))) , ALGEBRAIC(:,2)> CONSTANTS(:,12).*CONSTANTS(:,11)&ALGEBRAIC(:,2)<= CONSTANTS(:,13).*CONSTANTS(:,11), 1.00000+cos(( 3.14159.*(ALGEBRAIC(:,2) - CONSTANTS(:,12).*CONSTANTS(:,11)))./( (CONSTANTS(:,13) - CONSTANTS(:,12)).*CONSTANTS(:,11))) , ALGEBRAIC(:,2)> CONSTANTS(:,13).*CONSTANTS(:,11)&ALGEBRAIC(:,2)<CONSTANTS(:,11), 0.00000 }, NaN);
ALGEBRAIC(:,4) = CONSTANTS(:,10)+( ALGEBRAIC(:,3).*(CONSTANTS(:,9) - CONSTANTS(:,10)))./2.00000;
ALGEBRAIC(:,5) = CONSTANTS(:,2)+ ALGEBRAIC(:,4).*(STATES(:,2) - CONSTANTS(:,3));
ALGEBRAIC(:,6) = piecewise({ALGEBRAIC(:,5)>=STATES(:,1), 1.00000 , ALGEBRAIC(:,5)<STATES(:,1), 0.00000 }, NaN);
ALGEBRAIC(:,7) = piecewise({ALGEBRAIC(:,5)>=STATES(:,1), CONSTANTS(:,1).*ALGEBRAIC(:,6).*power(abs(ALGEBRAIC(:,5) - STATES(:,1)), 0.500000) , ALGEBRAIC(:,5)<STATES(:,1), -1.00000.*CONSTANTS(:,1).*ALGEBRAIC(:,6).*power(abs(STATES(:,1) - ALGEBRAIC(:,5)), 0.500000) }, NaN);
ALGEBRAIC(:,16) = VOI - CONSTANTS(:,36).*floor(VOI./CONSTANTS(:,36));
ALGEBRAIC(:,19) = piecewise({ALGEBRAIC(:,16)>=0.00000&ALGEBRAIC(:,16)<= CONSTANTS(:,35).*CONSTANTS(:,36), 0.500000.*CONSTANTS(:,33).*(1.00000 - cos(( 2.00000.*3.14159.*ALGEBRAIC(:,16))./( CONSTANTS(:,35).*CONSTANTS(:,36)))) , ALGEBRAIC(:,16)> CONSTANTS(:,35).*CONSTANTS(:,36)&ALGEBRAIC(:,16)<CONSTANTS(:,36), 0.00000 }, NaN);
ALGEBRAIC(:,9) = VOI - CONSTANTS(:,11).*floor(VOI./CONSTANTS(:,11));
ALGEBRAIC(:,10) = piecewise({ALGEBRAIC(:,9)>=0.00000&ALGEBRAIC(:,9)<= ((CONSTANTS(:,16)+CONSTANTS(:,17)) - 1.00000).*CONSTANTS(:,11), 1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,9) - (CONSTANTS(:,16) - 1.00000).*CONSTANTS(:,11)))./( CONSTANTS(:,17).*CONSTANTS(:,11))) , ALGEBRAIC(:,9)> ((CONSTANTS(:,16)+CONSTANTS(:,17)) - 1.00000).*CONSTANTS(:,11)&ALGEBRAIC(:,9)<= CONSTANTS(:,16).*CONSTANTS(:,11), 0.00000 , ALGEBRAIC(:,9)> CONSTANTS(:,16).*CONSTANTS(:,11)&ALGEBRAIC(:,9)<=CONSTANTS(:,11), 1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,9) - CONSTANTS(:,16).*CONSTANTS(:,11)))./( CONSTANTS(:,17).*CONSTANTS(:,11))) }, NaN);
ALGEBRAIC(:,11) = CONSTANTS(:,15)+( ALGEBRAIC(:,10).*(CONSTANTS(:,14) - CONSTANTS(:,15)))./2.00000;
ALGEBRAIC(:,12) = CONSTANTS(:,6)+ ALGEBRAIC(:,11).*(STATES(:,3) - CONSTANTS(:,7));
ALGEBRAIC(:,8) = ALGEBRAIC(:,5);
ALGEBRAIC(:,13) = piecewise({ALGEBRAIC(:,12)>=ALGEBRAIC(:,8), 1.00000 , ALGEBRAIC(:,12)<ALGEBRAIC(:,8), 0.00000 }, NaN);
ALGEBRAIC(:,14) = piecewise({ALGEBRAIC(:,12)>=ALGEBRAIC(:,8), CONSTANTS(:,5).*ALGEBRAIC(:,13).*power(abs(ALGEBRAIC(:,12) - ALGEBRAIC(:,8)), 0.500000) , ALGEBRAIC(:,12)<ALGEBRAIC(:,8), -1.00000.*CONSTANTS(:,5).*ALGEBRAIC(:,13).*power(abs(ALGEBRAIC(:,8) - ALGEBRAIC(:,12)), 0.500000) }, NaN);
ALGEBRAIC(:,22) = ALGEBRAIC(:,14)+ALGEBRAIC(:,19);
ALGEBRAIC(:,21) = (STATES(:,7) - ALGEBRAIC(:,12))./CONSTANTS(:,30);
ALGEBRAIC(:,18) = piecewise({ALGEBRAIC(:,16)>=0.00000&ALGEBRAIC(:,16)<= CONSTANTS(:,35).*CONSTANTS(:,36), 0.00000 , ALGEBRAIC(:,16)> CONSTANTS(:,35).*CONSTANTS(:,36)&ALGEBRAIC(:,16)<CONSTANTS(:,36), 0.500000.*CONSTANTS(:,34).*(1.00000 - cos(( 2.00000.*3.14159.*(ALGEBRAIC(:,16) - CONSTANTS(:,35).*CONSTANTS(:,36)))./(CONSTANTS(:,36) - CONSTANTS(:,35).*CONSTANTS(:,36)))) }, NaN);
ALGEBRAIC(:,23) = STATES(:,4)+ALGEBRAIC(:,18);
ALGEBRAIC(:,15) = STATES(:,6);
ALGEBRAIC(:,20) = STATES(:,7)+ CONSTANTS(:,29).*ALGEBRAIC(:,15);
ALGEBRAIC(:,24) = ALGEBRAIC(:,20)+ CONSTANTS(:,28).*STATES(:,6);
ALGEBRAIC(:,17) = ALGEBRAIC(:,15);
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