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 =26;
end
% There are a total of 12 entries in each of the rate and state variable arrays.
% There are a total of 37 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 (second)');
    LEGEND_STATES(:,1) = strpad('V_s in component soma_compartment (mV)');
    LEGEND_CONSTANTS(:,1) = strpad('V_Na in component soma_compartment (mV)');
    LEGEND_ALGEBRAIC(:,26) = strpad('I_Na_s in component soma_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,1) = strpad('I_K_DR_s in component soma_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,11) = strpad('I_Ca_T in component soma_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,16) = strpad('I_K_Ca in component soma_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,18) = strpad('I_A in component soma_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,21) = strpad('I_h in component soma_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,2) = strpad('g_Na_s in component soma_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,3) = strpad('g_K_DR_s in component soma_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,4) = strpad('g_Ca_T in component soma_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,5) = strpad('g_K_Ca in component soma_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,6) = strpad('g_A in component soma_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,7) = strpad('g_h in component soma_compartment (mS_per_cm2)');
    LEGEND_STATES(:,2) = strpad('Ca in component soma_compartment (mM)');
    LEGEND_CONSTANTS(:,8) = strpad('k_Ca in component soma_compartment (per_second)');
    LEGEND_CONSTANTS(:,9) = strpad('K_Ca in component soma_compartment (mM)');
    LEGEND_CONSTANTS(:,10) = strpad('V_h in component soma_compartment (mV)');
    LEGEND_CONSTANTS(:,11) = strpad('beta in component soma_compartment (mMcm2_per_uAs)');
    LEGEND_CONSTANTS(:,12) = strpad('I_APP in component soma_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,13) = strpad('V_Ca in component general_variables (mV)');
    LEGEND_CONSTANTS(:,14) = strpad('V_K in component general_variables (mV)');
    LEGEND_STATES(:,3) = strpad('n in component gating_variables (dimensionless)');
    LEGEND_STATES(:,4) = strpad('h in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,23) = strpad('m_infinity in component gating_variables (dimensionless)');
    LEGEND_CONSTANTS(:,15) = strpad('g_c in component general_variables (mS_per_cm2)');
    LEGEND_CONSTANTS(:,16) = strpad('p in component general_variables (dimensionless)');
    LEGEND_STATES(:,5) = strpad('V_D in component dendritic_compartment (mV)');
    LEGEND_CONSTANTS(:,17) = strpad('C_m in component general_variables (uF_per_cm2)');
    LEGEND_STATES(:,6) = strpad('m_T in component gating_variables (dimensionless)');
    LEGEND_STATES(:,7) = strpad('h_T in component gating_variables (dimensionless)');
    LEGEND_STATES(:,8) = strpad('a in component gating_variables (dimensionless)');
    LEGEND_STATES(:,9) = strpad('b in component gating_variables (dimensionless)');
    LEGEND_STATES(:,10) = strpad('m_h in component gating_variables (dimensionless)');
    LEGEND_STATES(:,11) = strpad('Na in component dendritic_compartment (mM)');
    LEGEND_CONSTANTS(:,18) = strpad('K_p in component dendritic_compartment (mM)');
    LEGEND_ALGEBRAIC(:,19) = strpad('I_L in component dendritic_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,17) = strpad('I_pump in component dendritic_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,19) = strpad('R_pump in component dendritic_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,20) = strpad('Na_eq in component dendritic_compartment (mM)');
    LEGEND_ALGEBRAIC(:,12) = strpad('phi_Na in component dendritic_compartment (dimensionless)');
    LEGEND_CONSTANTS(:,32) = strpad('phi_Na_eq in component dendritic_compartment (dimensionless)');
    LEGEND_CONSTANTS(:,21) = strpad('alpha in component dendritic_compartment (mMcm2_per_uAs)');
    LEGEND_ALGEBRAIC(:,22) = strpad('I_NMDA in component dendritic_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,20) = strpad('I_Na_NMDA in component dendritic_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,22) = strpad('g_NMDA in component dendritic_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,23) = strpad('g_Na_NMDA in component dendritic_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,24) = strpad('g_L in component dendritic_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,25) = strpad('Mg_o in component dendritic_compartment (mM)');
    LEGEND_CONSTANTS(:,26) = strpad('K_Mg in component dendritic_compartment (mM)');
    LEGEND_CONSTANTS(:,27) = strpad('q in component dendritic_compartment (mV)');
    LEGEND_CONSTANTS(:,28) = strpad('V_NMDA in component dendritic_compartment (mV)');
    LEGEND_CONSTANTS(:,29) = strpad('V_L in component dendritic_compartment (mV)');
    LEGEND_ALGEBRAIC(:,24) = strpad('I_D in component dendritic_compartment (uA_per_cm2)');
    LEGEND_ALGEBRAIC(:,25) = strpad('I_Ca_L in component dendritic_compartment (uA_per_cm2)');
    LEGEND_CONSTANTS(:,30) = strpad('g_Ca_L in component dendritic_compartment (mS_per_cm2)');
    LEGEND_CONSTANTS(:,31) = strpad('g_K_DR_D in component dendritic_compartment (mS_per_cm2)');
    LEGEND_ALGEBRAIC(:,2) = strpad('I_K_DR_D in component dendritic_compartment (uA_per_cm2)');
    LEGEND_STATES(:,12) = strpad('m_L in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,3) = strpad('m_T_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,4) = strpad('h_T_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,5) = strpad('a_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,6) = strpad('b_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,7) = strpad('m_h_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,8) = strpad('m_L_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,9) = strpad('n_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,10) = strpad('h_infinity in component gating_variables (dimensionless)');
    LEGEND_ALGEBRAIC(:,13) = strpad('tau_h in component gating_variables (second)');
    LEGEND_ALGEBRAIC(:,14) = strpad('tau_n in component gating_variables (second)');
    LEGEND_CONSTANTS(:,33) = strpad('tau_m_T in component gating_variables (second)');
    LEGEND_CONSTANTS(:,34) = strpad('tau_h_T in component gating_variables (second)');
    LEGEND_ALGEBRAIC(:,15) = strpad('tau_m_L in component gating_variables (second)');
    LEGEND_CONSTANTS(:,35) = strpad('tau_a in component gating_variables (second)');
    LEGEND_CONSTANTS(:,36) = strpad('tau_b in component gating_variables (second)');
    LEGEND_CONSTANTS(:,37) = strpad('tau_m_h in component gating_variables (second)');
    LEGEND_RATES(:,1) = strpad('d/dt V_s in component soma_compartment (mV)');
    LEGEND_RATES(:,2) = strpad('d/dt Ca in component soma_compartment (mM)');
    LEGEND_RATES(:,5) = strpad('d/dt V_D in component dendritic_compartment (mV)');
    LEGEND_RATES(:,11) = strpad('d/dt Na in component dendritic_compartment (mM)');
    LEGEND_RATES(:,4) = strpad('d/dt h in component gating_variables (dimensionless)');
    LEGEND_RATES(:,3) = strpad('d/dt n in component gating_variables (dimensionless)');
    LEGEND_RATES(:,6) = strpad('d/dt m_T in component gating_variables (dimensionless)');
    LEGEND_RATES(:,12) = strpad('d/dt m_L in component gating_variables (dimensionless)');
    LEGEND_RATES(:,10) = strpad('d/dt m_h in component gating_variables (dimensionless)');
    LEGEND_RATES(:,8) = strpad('d/dt a in component gating_variables (dimensionless)');
    LEGEND_RATES(:,9) = strpad('d/dt b in component gating_variables (dimensionless)');
    LEGEND_RATES(:,7) = strpad('d/dt h_T in component gating_variables (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) = -64.0;
    CONSTANTS(:,1) = 55;
    CONSTANTS(:,2) = 3.2;
    CONSTANTS(:,3) = 6.4;
    CONSTANTS(:,4) = 1.5;
    CONSTANTS(:,5) = 1.2;
    CONSTANTS(:,6) = 2;
    CONSTANTS(:,7) = 0.1;
    STATES(:,2) = 0;
    CONSTANTS(:,8) = 1;
    CONSTANTS(:,9) = 0.0004;
    CONSTANTS(:,10) = -30;
    CONSTANTS(:,11) = 0.104;
    CONSTANTS(:,12) = -6.7;
    CONSTANTS(:,13) = 120;
    CONSTANTS(:,14) = -85;
    STATES(:,3) = 0.002;
    STATES(:,4) = 1.0;
    CONSTANTS(:,15) = 0.1;
    CONSTANTS(:,16) = 0.5;
    STATES(:,5) = -77.0;
    CONSTANTS(:,17) = 1;
    STATES(:,6) = 0.1;
    STATES(:,7) = 0.1;
    STATES(:,8) = 0.1;
    STATES(:,9) = 0.1;
    STATES(:,10) = 0.1;
    STATES(:,11) = 5.09;
    CONSTANTS(:,18) = 15;
    CONSTANTS(:,19) = 18;
    CONSTANTS(:,20) = 8;
    CONSTANTS(:,21) = 0.173;
    CONSTANTS(:,22) = 25;
    CONSTANTS(:,23) = 5;
    CONSTANTS(:,24) = 0.18;
    CONSTANTS(:,25) = 1.4;
    CONSTANTS(:,26) = 10;
    CONSTANTS(:,27) = 12.5;
    CONSTANTS(:,28) = 0;
    CONSTANTS(:,29) = -50;
    CONSTANTS(:,30) = 0.19;
    CONSTANTS(:,31) = 0.14;
    STATES(:,12) = 0.1;
    CONSTANTS(:,32) = power(CONSTANTS(:,20), 3.00000)./(power(CONSTANTS(:,20), 3.00000)+power(CONSTANTS(:,18), 3.00000));
    CONSTANTS(:,33) = 1.00000;
    CONSTANTS(:,34) = 10.0000;
    CONSTANTS(:,35) = 0.500000;
    CONSTANTS(:,36) = 10.0000;
    CONSTANTS(:,37) = 190.000;
    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(:,3) = 1.00000./(1.00000+exp( - (STATES(:,1)+55.0000)./7.00000));
    RATES(:,6) = (ALGEBRAIC(:,3) - STATES(:,6))./CONSTANTS(:,33);
    ALGEBRAIC(:,7) = 1.00000./(1.00000+exp((STATES(:,1)+80.0000)./8.00000));
    RATES(:,10) = (ALGEBRAIC(:,7) - STATES(:,10))./CONSTANTS(:,37);
    ALGEBRAIC(:,5) = 1.00000./(1.00000+exp( - (STATES(:,1)+60.0000)./10.0000));
    RATES(:,8) = (ALGEBRAIC(:,5) - STATES(:,8))./CONSTANTS(:,35);
    ALGEBRAIC(:,6) = 1.00000./(1.00000+exp((STATES(:,1)+70.0000)./5.70000));
    RATES(:,9) = (ALGEBRAIC(:,6) - STATES(:,9))./CONSTANTS(:,36);
    ALGEBRAIC(:,4) = 1.00000./(1.00000+exp((STATES(:,1)+81.0000)./11.0000));
    RATES(:,7) = (ALGEBRAIC(:,4) - STATES(:,7))./CONSTANTS(:,34);
    ALGEBRAIC(:,11) =  CONSTANTS(:,4).*STATES(:,7).*(STATES(:,1) - CONSTANTS(:,13)).*power(STATES(:,6), 2.00000);
    RATES(:,2) =  - ( CONSTANTS(:,11).*ALGEBRAIC(:,11)+ CONSTANTS(:,8).*STATES(:,2));
    ALGEBRAIC(:,10) = 1.00000./(1.00000+exp((STATES(:,1)+30.0000)./8.30000));
    ALGEBRAIC(:,13) =  0.400000.*(1.00000+2.00000./(1.00000+exp((STATES(:,1)+25.0000)./5.00000)));
    RATES(:,4) = (ALGEBRAIC(:,10) - STATES(:,4))./ALGEBRAIC(:,13);
    ALGEBRAIC(:,9) = 1.00000./(1.00000+exp( - (STATES(:,1)+31.0000)./5.30000));
    ALGEBRAIC(:,14) = ( 0.800000.*(1.00000+2.00000./(1.00000+exp((STATES(:,1)+25.0000)./10.0000))))./(1.00000+exp( - (STATES(:,1)+70.0000)./10.0000));
    RATES(:,3) = (ALGEBRAIC(:,9) - STATES(:,3))./ALGEBRAIC(:,14);
    ALGEBRAIC(:,8) = 1.00000./(1.00000+exp( - (STATES(:,5)+20.0000)./5.30000));
    ALGEBRAIC(:,15) = 0.400000./( 5.00000.*exp( - (STATES(:,5)+11.0000)./8.30000)+( - (STATES(:,5)+11.0000)./8.30000)./(exp( - (STATES(:,5)+11.0000)./8.30000) - 1.00000));
    RATES(:,12) = (ALGEBRAIC(:,8) - STATES(:,12))./ALGEBRAIC(:,15);
    ALGEBRAIC(:,12) = power(STATES(:,11), 3.00000)./(power(STATES(:,11), 3.00000)+power(CONSTANTS(:,18), 3.00000));
    ALGEBRAIC(:,17) =  CONSTANTS(:,19).*(ALGEBRAIC(:,12) - CONSTANTS(:,32));
    ALGEBRAIC(:,20) =  (CONSTANTS(:,23)./(1.00000+ (CONSTANTS(:,25)./CONSTANTS(:,26)).*exp( - STATES(:,5)./CONSTANTS(:,27)))).*(STATES(:,5) - CONSTANTS(:,1));
    RATES(:,11) =  CONSTANTS(:,21).*( - ALGEBRAIC(:,20) -  ALGEBRAIC(:,17).*3.00000);
    ALGEBRAIC(:,19) =  CONSTANTS(:,24).*(STATES(:,5) - CONSTANTS(:,29));
    ALGEBRAIC(:,22) =  (CONSTANTS(:,22)./(1.00000+ (CONSTANTS(:,25)./CONSTANTS(:,26)).*exp( - STATES(:,5)./CONSTANTS(:,27)))).*(STATES(:,5) - CONSTANTS(:,28));
    ALGEBRAIC(:,25) =  CONSTANTS(:,30).*(STATES(:,5) - CONSTANTS(:,13)).*power(STATES(:,12), 2.00000);
    ALGEBRAIC(:,2) =  CONSTANTS(:,31).*(STATES(:,5) - CONSTANTS(:,14)).*power(STATES(:,3), 2.00000);
    RATES(:,5) =  - ( 1000.00.*(ALGEBRAIC(:,25)+ALGEBRAIC(:,2)+ALGEBRAIC(:,22)+ALGEBRAIC(:,17)+ALGEBRAIC(:,19)+ (CONSTANTS(:,15)./(1.00000 - CONSTANTS(:,16))).*(STATES(:,5) - STATES(:,1))))./CONSTANTS(:,17);
    ALGEBRAIC(:,23) = 1.00000./(1.00000+exp( - (STATES(:,1)+35.0000)./6.20000));
    ALGEBRAIC(:,26) =  CONSTANTS(:,2).*STATES(:,4).*(STATES(:,1) - CONSTANTS(:,1)).*power(ALGEBRAIC(:,23), 3.00000);
    ALGEBRAIC(:,1) =  CONSTANTS(:,3).*(STATES(:,1) - CONSTANTS(:,14)).*power(STATES(:,3), 2.00000);
    ALGEBRAIC(:,16) =  (( CONSTANTS(:,5).*power(STATES(:,2), 4.00000))./(power(STATES(:,2), 4.00000)+power(CONSTANTS(:,9), 4.00000))).*(STATES(:,1) - CONSTANTS(:,14));
    ALGEBRAIC(:,18) =  CONSTANTS(:,6).*STATES(:,9).*(STATES(:,1) - CONSTANTS(:,14)).*power(STATES(:,8), 4.00000);
    ALGEBRAIC(:,21) =  CONSTANTS(:,7).*STATES(:,10).*(STATES(:,1) - CONSTANTS(:,10));
    RATES(:,1) = ( 1000.00.*(CONSTANTS(:,12) - (ALGEBRAIC(:,26)+ALGEBRAIC(:,11)+ALGEBRAIC(:,1)+ALGEBRAIC(:,16)+ALGEBRAIC(:,18)+ALGEBRAIC(:,21)+ (CONSTANTS(:,15)./CONSTANTS(:,16)).*(STATES(:,1) - STATES(:,5)))))./CONSTANTS(:,17);
   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(:,3) = 1.00000./(1.00000+exp( - (STATES(:,1)+55.0000)./7.00000));
    ALGEBRAIC(:,7) = 1.00000./(1.00000+exp((STATES(:,1)+80.0000)./8.00000));
    ALGEBRAIC(:,5) = 1.00000./(1.00000+exp( - (STATES(:,1)+60.0000)./10.0000));
    ALGEBRAIC(:,6) = 1.00000./(1.00000+exp((STATES(:,1)+70.0000)./5.70000));
    ALGEBRAIC(:,4) = 1.00000./(1.00000+exp((STATES(:,1)+81.0000)./11.0000));
    ALGEBRAIC(:,11) =  CONSTANTS(:,4).*STATES(:,7).*(STATES(:,1) - CONSTANTS(:,13)).*power(STATES(:,6), 2.00000);
    ALGEBRAIC(:,10) = 1.00000./(1.00000+exp((STATES(:,1)+30.0000)./8.30000));
    ALGEBRAIC(:,13) =  0.400000.*(1.00000+2.00000./(1.00000+exp((STATES(:,1)+25.0000)./5.00000)));
    ALGEBRAIC(:,9) = 1.00000./(1.00000+exp( - (STATES(:,1)+31.0000)./5.30000));
    ALGEBRAIC(:,14) = ( 0.800000.*(1.00000+2.00000./(1.00000+exp((STATES(:,1)+25.0000)./10.0000))))./(1.00000+exp( - (STATES(:,1)+70.0000)./10.0000));
    ALGEBRAIC(:,8) = 1.00000./(1.00000+exp( - (STATES(:,5)+20.0000)./5.30000));
    ALGEBRAIC(:,15) = 0.400000./( 5.00000.*exp( - (STATES(:,5)+11.0000)./8.30000)+( - (STATES(:,5)+11.0000)./8.30000)./(exp( - (STATES(:,5)+11.0000)./8.30000) - 1.00000));
    ALGEBRAIC(:,12) = power(STATES(:,11), 3.00000)./(power(STATES(:,11), 3.00000)+power(CONSTANTS(:,18), 3.00000));
    ALGEBRAIC(:,17) =  CONSTANTS(:,19).*(ALGEBRAIC(:,12) - CONSTANTS(:,32));
    ALGEBRAIC(:,20) =  (CONSTANTS(:,23)./(1.00000+ (CONSTANTS(:,25)./CONSTANTS(:,26)).*exp( - STATES(:,5)./CONSTANTS(:,27)))).*(STATES(:,5) - CONSTANTS(:,1));
    ALGEBRAIC(:,19) =  CONSTANTS(:,24).*(STATES(:,5) - CONSTANTS(:,29));
    ALGEBRAIC(:,22) =  (CONSTANTS(:,22)./(1.00000+ (CONSTANTS(:,25)./CONSTANTS(:,26)).*exp( - STATES(:,5)./CONSTANTS(:,27)))).*(STATES(:,5) - CONSTANTS(:,28));
    ALGEBRAIC(:,25) =  CONSTANTS(:,30).*(STATES(:,5) - CONSTANTS(:,13)).*power(STATES(:,12), 2.00000);
    ALGEBRAIC(:,2) =  CONSTANTS(:,31).*(STATES(:,5) - CONSTANTS(:,14)).*power(STATES(:,3), 2.00000);
    ALGEBRAIC(:,23) = 1.00000./(1.00000+exp( - (STATES(:,1)+35.0000)./6.20000));
    ALGEBRAIC(:,26) =  CONSTANTS(:,2).*STATES(:,4).*(STATES(:,1) - CONSTANTS(:,1)).*power(ALGEBRAIC(:,23), 3.00000);
    ALGEBRAIC(:,1) =  CONSTANTS(:,3).*(STATES(:,1) - CONSTANTS(:,14)).*power(STATES(:,3), 2.00000);
    ALGEBRAIC(:,16) =  (( CONSTANTS(:,5).*power(STATES(:,2), 4.00000))./(power(STATES(:,2), 4.00000)+power(CONSTANTS(:,9), 4.00000))).*(STATES(:,1) - CONSTANTS(:,14));
    ALGEBRAIC(:,18) =  CONSTANTS(:,6).*STATES(:,9).*(STATES(:,1) - CONSTANTS(:,14)).*power(STATES(:,8), 4.00000);
    ALGEBRAIC(:,21) =  CONSTANTS(:,7).*STATES(:,10).*(STATES(:,1) - CONSTANTS(:,10));
    ALGEBRAIC(:,24) = ALGEBRAIC(:,22)+ALGEBRAIC(:,17)+ALGEBRAIC(:,19);
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