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 =8; end % There are a total of 16 entries in each of the rate and state variable arrays. % There are a total of 58 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 (minute)'); LEGEND_STATES(:,1) = strpad('MPF in component MPF (dimensionless)'); LEGEND_CONSTANTS(:,1) = strpad('k1 in component rate_constants (first_order_rate_constant)'); LEGEND_ALGEBRAIC(:,1) = strpad('k2 in component rate_constants (first_order_rate_constant)'); LEGEND_ALGEBRAIC(:,3) = strpad('kwee in component rate_constants (first_order_rate_constant)'); LEGEND_ALGEBRAIC(:,5) = strpad('kc25 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,2) = strpad('kj in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,3) = strpad('kjr in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,4) = strpad('k6_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,5) = strpad('k6 in component rate_constants (first_order_rate_constant)'); LEGEND_STATES(:,2) = strpad('mass in component mass (dimensionless)'); LEGEND_STATES(:,3) = strpad('preMPF in component preMPF (dimensionless)'); LEGEND_STATES(:,4) = strpad('Rum1 in component Rum1 (dimensionless)'); LEGEND_STATES(:,5) = strpad('Rum1P in component Rum1P (dimensionless)'); LEGEND_STATES(:,6) = strpad('CR in component CR (dimensionless)'); LEGEND_STATES(:,7) = strpad('CRP in component CRP (dimensionless)'); LEGEND_STATES(:,8) = strpad('Ste9 in component Ste9 (dimensionless)'); LEGEND_CONSTANTS(:,6) = strpad('kste9r_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,7) = strpad('kste9r in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,8) = strpad('kste9 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,9) = strpad('Jste9r in component Ste9 (dimensionless)'); LEGEND_CONSTANTS(:,10) = strpad('Jste9 in component Ste9 (dimensionless)'); LEGEND_ALGEBRAIC(:,2) = strpad('MPF_a in component MPF_a (dimensionless)'); LEGEND_ALGEBRAIC(:,4) = strpad('PP in component PP (dimensionless)'); LEGEND_CONSTANTS(:,11) = strpad('SK in component dimensionless_constants (dimensionless)'); LEGEND_STATES(:,9) = strpad('Mik1 in component Mik1 (dimensionless)'); LEGEND_CONSTANTS(:,12) = strpad('ks in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,13) = strpad('kmr_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,14) = strpad('kmr in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,15) = strpad('km in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,16) = strpad('Jmikr in component Mik1 (dimensionless)'); LEGEND_CONSTANTS(:,17) = strpad('Jmik in component Mik1 (dimensionless)'); LEGEND_STATES(:,10) = strpad('Wee1 in component Wee1 (dimensionless)'); LEGEND_CONSTANTS(:,18) = strpad('kwr_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,19) = strpad('kwr in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,20) = strpad('kw in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,21) = strpad('Jweer in component Wee1 (dimensionless)'); LEGEND_CONSTANTS(:,22) = strpad('Jwee in component Wee1 (dimensionless)'); LEGEND_STATES(:,11) = strpad('Cdc25 in component Cdc25 (dimensionless)'); LEGEND_CONSTANTS(:,23) = strpad('k25 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,24) = strpad('k5 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,25) = strpad('k25r_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,26) = strpad('k25r in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,27) = strpad('J25 in component Cdc25 (dimensionless)'); LEGEND_CONSTANTS(:,28) = strpad('J25r in component Cdc25 (dimensionless)'); LEGEND_STATES(:,12) = strpad('Slp1 in component Slp1 (dimensionless)'); LEGEND_CONSTANTS(:,29) = strpad('kas in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,30) = strpad('kad in component rate_constants (first_order_rate_constant)'); LEGEND_STATES(:,13) = strpad('Slp1_a in component Slp1_a (dimensionless)'); LEGEND_CONSTANTS(:,31) = strpad('kaa_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,32) = strpad('kaa in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,33) = strpad('kai in component rate_constants (first_order_rate_constant)'); LEGEND_STATES(:,14) = strpad('Inh in component Inh (dimensionless)'); LEGEND_CONSTANTS(:,34) = strpad('k3 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,35) = strpad('ki in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,36) = strpad('kir in component rate_constants (first_order_rate_constant)'); LEGEND_ALGEBRAIC(:,6) = strpad('k4 in component rate_constants (first_order_rate_constant)'); LEGEND_STATES(:,15) = strpad('PI in component PI (dimensionless)'); LEGEND_CONSTANTS(:,37) = strpad('kp in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,38) = strpad('kpp_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,39) = strpad('kpp in component rate_constants (first_order_rate_constant)'); LEGEND_ALGEBRAIC(:,7) = strpad('k2c in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,40) = strpad('epsilon_p in component dimensionless_constants (dimensionless)'); LEGEND_CONSTANTS(:,41) = strpad('mu in component mass (first_order_rate_constant)'); LEGEND_STATES(:,16) = strpad('R_dna in component R_dna (dimensionless)'); LEGEND_CONSTANTS(:,42) = strpad('K in component R_dna (dimensionless)'); LEGEND_CONSTANTS(:,43) = strpad('Y in component R_dna (dimensionless)'); LEGEND_CONSTANTS(:,44) = strpad('epsilon in component dimensionless_constants (dimensionless)'); LEGEND_ALGEBRAIC(:,8) = strpad('ratio in component ratio (dimensionless)'); LEGEND_CONSTANTS(:,45) = strpad('V2_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,46) = strpad('V2 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,47) = strpad('V2c in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,48) = strpad('V2c_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,49) = strpad('Vwee in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,50) = strpad('Vwee_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,51) = strpad('Vmik in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,52) = strpad('Vmik_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,53) = strpad('V25 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,54) = strpad('V25_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,55) = strpad('Vpyp in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,56) = strpad('V4 in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,57) = strpad('V4_ in component rate_constants (first_order_rate_constant)'); LEGEND_CONSTANTS(:,58) = strpad('Pyp3 in component rate_constants (dimensionless)'); LEGEND_RATES(:,1) = strpad('d/dt MPF in component MPF (dimensionless)'); LEGEND_RATES(:,3) = strpad('d/dt preMPF in component preMPF (dimensionless)'); LEGEND_RATES(:,8) = strpad('d/dt Ste9 in component Ste9 (dimensionless)'); LEGEND_RATES(:,9) = strpad('d/dt Mik1 in component Mik1 (dimensionless)'); LEGEND_RATES(:,10) = strpad('d/dt Wee1 in component Wee1 (dimensionless)'); LEGEND_RATES(:,11) = strpad('d/dt Cdc25 in component Cdc25 (dimensionless)'); LEGEND_RATES(:,12) = strpad('d/dt Slp1 in component Slp1 (dimensionless)'); LEGEND_RATES(:,13) = strpad('d/dt Slp1_a in component Slp1_a (dimensionless)'); LEGEND_RATES(:,14) = strpad('d/dt Inh in component Inh (dimensionless)'); LEGEND_RATES(:,15) = strpad('d/dt PI in component PI (dimensionless)'); LEGEND_RATES(:,7) = strpad('d/dt CRP in component CRP (dimensionless)'); LEGEND_RATES(:,6) = strpad('d/dt CR in component CR (dimensionless)'); LEGEND_RATES(:,4) = strpad('d/dt Rum1 in component Rum1 (dimensionless)'); LEGEND_RATES(:,5) = strpad('d/dt Rum1P in component Rum1P (dimensionless)'); LEGEND_RATES(:,2) = strpad('d/dt mass in component mass (dimensionless)'); LEGEND_RATES(:,16) = strpad('d/dt R_dna in component R_dna (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) = 0; CONSTANTS(:,1) = 0.02; CONSTANTS(:,2) = 400; CONSTANTS(:,3) = 1; CONSTANTS(:,4) = 0.1; CONSTANTS(:,5) = 5; STATES(:,2) = 1; STATES(:,3) = 1; STATES(:,4) = 0; STATES(:,5) = 0; STATES(:,6) = 0; STATES(:,7) = 0; STATES(:,8) = 0; CONSTANTS(:,6) = 0.03; CONSTANTS(:,7) = 8; CONSTANTS(:,8) = 5; CONSTANTS(:,9) = 0.01; CONSTANTS(:,10) = 0.01; CONSTANTS(:,11) = 0.018; STATES(:,9) = 0; CONSTANTS(:,12) = 0.1; CONSTANTS(:,13) = 0.01; CONSTANTS(:,14) = 5; CONSTANTS(:,15) = 1; CONSTANTS(:,16) = 0.15; CONSTANTS(:,17) = 0.15; STATES(:,10) = 0; CONSTANTS(:,18) = 0.4; CONSTANTS(:,19) = 1; CONSTANTS(:,20) = 2; CONSTANTS(:,21) = 0.2; CONSTANTS(:,22) = 0.2; STATES(:,11) = 0; CONSTANTS(:,23) = 1; CONSTANTS(:,24) = 0.1; CONSTANTS(:,25) = 0.4; CONSTANTS(:,26) = 2; CONSTANTS(:,27) = 0.05; CONSTANTS(:,28) = 0.05; STATES(:,12) = 0; CONSTANTS(:,29) = 0.1; CONSTANTS(:,30) = 0.1; STATES(:,13) = 0; CONSTANTS(:,31) = 0.01; CONSTANTS(:,32) = 0.1; CONSTANTS(:,33) = 0.1; STATES(:,14) = 0; CONSTANTS(:,34) = 0.1; CONSTANTS(:,35) = 50; CONSTANTS(:,36) = 0.5; STATES(:,15) = 0.2; CONSTANTS(:,37) = 100; CONSTANTS(:,38) = 1; CONSTANTS(:,39) = 100; CONSTANTS(:,40) = 0.025; CONSTANTS(:,41) = 0.00462; STATES(:,16) = 1; CONSTANTS(:,42) = 0.06; CONSTANTS(:,43) = 0; CONSTANTS(:,44) = 0.05; CONSTANTS(:,45) = 0.02; CONSTANTS(:,46) = 1; CONSTANTS(:,47) = 0.5; CONSTANTS(:,48) = 0.02; CONSTANTS(:,49) = 10; CONSTANTS(:,50) = 0.08; CONSTANTS(:,51) = 2; CONSTANTS(:,52) = 0.04; CONSTANTS(:,53) = 10; CONSTANTS(:,54) = 0.05; CONSTANTS(:,55) = 0.07; CONSTANTS(:,56) = 1; CONSTANTS(:,57) = 0.01; CONSTANTS(:,58) = 1; 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(:,2) = CONSTANTS(:,41).*STATES(:,2); ALGEBRAIC(:,2) = STATES(:,1)+ CONSTANTS(:,44).*STATES(:,3); RATES(:,12) = CONSTANTS(:,29).*ALGEBRAIC(:,2) - CONSTANTS(:,30).*STATES(:,12); RATES(:,13) = (CONSTANTS(:,31)+ CONSTANTS(:,32).*ALGEBRAIC(:,2)).*(STATES(:,12) - STATES(:,13)) - (CONSTANTS(:,33)+CONSTANTS(:,30)).*STATES(:,13); RATES(:,16) = ( CONSTANTS(:,42).*1.00000)./(1.00000+ CONSTANTS(:,43).*ALGEBRAIC(:,2)); ALGEBRAIC(:,4) = 1.00000 - STATES(:,15); RATES(:,8) = ( (CONSTANTS(:,6)+ CONSTANTS(:,7).*ALGEBRAIC(:,4)).*(1.00000 - STATES(:,8)))./((CONSTANTS(:,9)+1.00000) - STATES(:,8)) - ( CONSTANTS(:,8).*(ALGEBRAIC(:,2)+ CONSTANTS(:,11).*STATES(:,2)).*STATES(:,8))./(CONSTANTS(:,10)+STATES(:,8)); RATES(:,9) = ( (CONSTANTS(:,12)+CONSTANTS(:,13)+ CONSTANTS(:,14).*ALGEBRAIC(:,4)).*(1.00000 - STATES(:,9)))./((CONSTANTS(:,16)+1.00000) - STATES(:,9)) - ( CONSTANTS(:,15).*ALGEBRAIC(:,2).*STATES(:,9))./(CONSTANTS(:,17)+STATES(:,9)); RATES(:,10) = ( (CONSTANTS(:,18)+ CONSTANTS(:,19).*ALGEBRAIC(:,4)).*(1.00000 - STATES(:,10)))./((CONSTANTS(:,21)+1.00000) - STATES(:,10)) - ( CONSTANTS(:,20).*ALGEBRAIC(:,2).*STATES(:,10))./(CONSTANTS(:,22)+STATES(:,10)); RATES(:,11) = ( CONSTANTS(:,23).*ALGEBRAIC(:,2).*(1.00000 - STATES(:,11)))./((CONSTANTS(:,27)+1.00000) - STATES(:,11)) - ( (CONSTANTS(:,24)+CONSTANTS(:,25)+ CONSTANTS(:,26).*ALGEBRAIC(:,4)).*STATES(:,11))./(CONSTANTS(:,28)+STATES(:,11)); ALGEBRAIC(:,1) = CONSTANTS(:,45)+ CONSTANTS(:,46).*STATES(:,8); ALGEBRAIC(:,3) = CONSTANTS(:,49).*STATES(:,10)+ CONSTANTS(:,50).*(1.00000 - STATES(:,10))+ CONSTANTS(:,51).*STATES(:,9)+ CONSTANTS(:,52).*(1.00000 - STATES(:,9)); ALGEBRAIC(:,5) = CONSTANTS(:,53).*STATES(:,11)+ CONSTANTS(:,54).*(1.00000 - STATES(:,11))+ CONSTANTS(:,55).*CONSTANTS(:,58); RATES(:,1) = (((( CONSTANTS(:,1).*STATES(:,2) - ALGEBRAIC(:,1).*STATES(:,1)) - ALGEBRAIC(:,3).*STATES(:,1))+ ALGEBRAIC(:,5).*STATES(:,3)) - CONSTANTS(:,2).*STATES(:,1).*(STATES(:,4)+STATES(:,5)))+ CONSTANTS(:,3).*(STATES(:,6)+STATES(:,7))+ CONSTANTS(:,4).*STATES(:,6)+ (CONSTANTS(:,4)+CONSTANTS(:,5)).*STATES(:,7); RATES(:,3) = ( ALGEBRAIC(:,3).*STATES(:,1) - ALGEBRAIC(:,5).*STATES(:,3)) - ALGEBRAIC(:,1).*STATES(:,3); ALGEBRAIC(:,6) = CONSTANTS(:,57)+ CONSTANTS(:,56).*STATES(:,13); RATES(:,14) = ((CONSTANTS(:,34) - CONSTANTS(:,35).*STATES(:,14).*ALGEBRAIC(:,4))+ CONSTANTS(:,36).*STATES(:,15)) - ALGEBRAIC(:,6).*STATES(:,14); RATES(:,15) = ( CONSTANTS(:,35).*STATES(:,14).*ALGEBRAIC(:,4) - CONSTANTS(:,36).*STATES(:,15)) - ALGEBRAIC(:,6).*STATES(:,15); ALGEBRAIC(:,7) = CONSTANTS(:,48)+ CONSTANTS(:,47).*STATES(:,8); RATES(:,7) = (((( CONSTANTS(:,37).*(ALGEBRAIC(:,2)+ CONSTANTS(:,40).*CONSTANTS(:,11).*STATES(:,2)).*STATES(:,6) - (CONSTANTS(:,38)+ CONSTANTS(:,39).*ALGEBRAIC(:,4)).*STATES(:,7))+ CONSTANTS(:,2).*STATES(:,1).*STATES(:,5)) - CONSTANTS(:,3).*STATES(:,7)) - ALGEBRAIC(:,7).*STATES(:,7)) - (CONSTANTS(:,4)+CONSTANTS(:,5)).*STATES(:,7); RATES(:,6) = (((( CONSTANTS(:,2).*STATES(:,1).*STATES(:,4) - CONSTANTS(:,3).*STATES(:,6)) - ALGEBRAIC(:,7).*STATES(:,6)) - CONSTANTS(:,4).*STATES(:,6)) - CONSTANTS(:,37).*(ALGEBRAIC(:,2)+ CONSTANTS(:,40).*CONSTANTS(:,11).*STATES(:,2)).*STATES(:,6))+ (CONSTANTS(:,38)+ CONSTANTS(:,39).*ALGEBRAIC(:,4)).*STATES(:,7); RATES(:,4) = ((((CONSTANTS(:,24) - CONSTANTS(:,4).*STATES(:,4)) - CONSTANTS(:,37).*(ALGEBRAIC(:,2)+ CONSTANTS(:,40).*CONSTANTS(:,11).*STATES(:,2)).*STATES(:,4))+ (CONSTANTS(:,38)+ CONSTANTS(:,39).*ALGEBRAIC(:,4)).*STATES(:,5)) - CONSTANTS(:,2).*STATES(:,1).*STATES(:,4))+ CONSTANTS(:,3).*STATES(:,6)+ ALGEBRAIC(:,7).*STATES(:,6); RATES(:,5) = ((( CONSTANTS(:,37).*(ALGEBRAIC(:,2)+ CONSTANTS(:,40).*CONSTANTS(:,11).*STATES(:,2)).*STATES(:,4) - (CONSTANTS(:,38)+ CONSTANTS(:,39).*ALGEBRAIC(:,4)).*STATES(:,5)) - (CONSTANTS(:,4)+CONSTANTS(:,5)).*STATES(:,5)) - CONSTANTS(:,2).*STATES(:,1).*STATES(:,5))+ CONSTANTS(:,3).*STATES(:,7)+ ALGEBRAIC(:,7).*STATES(:,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) = STATES(:,1)+ CONSTANTS(:,44).*STATES(:,3); ALGEBRAIC(:,4) = 1.00000 - STATES(:,15); ALGEBRAIC(:,1) = CONSTANTS(:,45)+ CONSTANTS(:,46).*STATES(:,8); ALGEBRAIC(:,3) = CONSTANTS(:,49).*STATES(:,10)+ CONSTANTS(:,50).*(1.00000 - STATES(:,10))+ CONSTANTS(:,51).*STATES(:,9)+ CONSTANTS(:,52).*(1.00000 - STATES(:,9)); ALGEBRAIC(:,5) = CONSTANTS(:,53).*STATES(:,11)+ CONSTANTS(:,54).*(1.00000 - STATES(:,11))+ CONSTANTS(:,55).*CONSTANTS(:,58); ALGEBRAIC(:,6) = CONSTANTS(:,57)+ CONSTANTS(:,56).*STATES(:,13); ALGEBRAIC(:,7) = CONSTANTS(:,48)+ CONSTANTS(:,47).*STATES(:,8); ALGEBRAIC(:,8) = ALGEBRAIC(:,2)./ALGEBRAIC(:,4); 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