chemreac23.m

来自「ode routines in matlab」· M 代码 · 共 21 行

function [out] = ChemReac23(t, y)
%
%  Evaluate the right hand side function for the
%  chemical reaction system
%
%    y_1'(x) = -k1*y_1(x) 
%    y_2'(x) =  k1*y_1(x) - k2*y_2(x)
%    y_3'(x) =              k2*y_2(x)
%
%
%

global k1 k2



out  = [ -k1   0   0;
          k1  -k2  0;
          0    k2  0 ]* y;