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Domanda


How to Replace Derivative Terms in Equations
clc,clear %已知氢气在空气中浓度达到4.0%～75.6%就会爆炸 %假设初始条件：t = 0; H2 : O2 : N2 = 0.1 : 0.198 : 0.702 c = sym('c',[3,1]);%the units of conc...

quasi 3 anni fa | 0 risposte | 0

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Domanda


Why ode45 returns NaN for a system of differential equations?
clc,clear; R = 8.314; g = 9.8; N = 10; name = {'n2';'o2';'ar';'h2o';'h2o';'co2';'co';'so2';'o3';'no2';'c6h6'}; Mi(1) = 14.0...

quasi 3 anni fa | 1 risposta | 0

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Domanda


How to set the number of independent variables of differential equations automatically？
clc,clear; R = 8.314; g = 9.8; N = input('species number:'); for i = 1:N name{i} = input('species:','s'); Mi(i) = ...

quasi 3 anni fa | 1 risposta | 0

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Domanda


Can the equations in the differential equation group be represented by symbols when matlab ode solves the differential equation group ?
main function: function dcdzh2h2sco2_centri = dcdzh2h2sco2_centri(z,c) R = 8.314; g = 1000; Mi_h2s = 34; Mi_co2 = 44; Mi_c...

quasi 3 anni fa | 2 risposte | 0

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