STEP+ – program module allows a comprehensive study of the mathematical model in the form of an autonomous system composed of n differential equations with the vector of parameters p. The STEP+ program module includes algorithms for numerical analysis of the solution of the autonomous system, depending on the model parameters: (1) multistep Gear method with a variable order of accuracy for integration of stiff systems; (2) method of solution continuation with respect to a parameter for constructing the stationary solutions diagram of the autonomous system; (3) Godunov-Bulgakov numerical criterion for determining the guaranteed asymptotic stability of stationary solutions, depending on the model parameter.
The part of the mathematical model of auxin metabolism
taking into account a genetic regulation in the Step+
The dynamics of concentration changing in the model for auxin metabolism's gene network in the cell of lower plants:
1) auxin; 2) tryptophane; 3) GH3 protein. The axis Y - concentration (mM), The axis X - time (sec)
The dynamics of concentration changing in the model for auxin metabolism's gene network in the cell of higher plants:
1) auxin; 2) tryptophane; 3) GH3 protein. The axis Y - concentration (mM), The axis X - time (sec)
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