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L_5c
Joris Gillis edited this page Apr 4, 2023
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[INTERNAL]
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A symbolic representation of a differential-algebraic equations model.
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t: independent variable (usually time) c: constants p: parameters d: dependent parameters (time independent) u: controls w: dependent variables (time dependent) x: differential states z: algebraic variables q: quadrature states y: outputs
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differential equations: \dot{x} == ode(...) algebraic equations: 0 == alg(...) quadrature equations: \dot{q} == quad(...) dependent parameters: d == ddef(d_prev,p) dependent variables: w == wdef(w_prev,x,z,u,p,t) output equations: y == ydef(...) initial equations: init_lhs == init_rhs(...) events: when when_cond < 0: when_lhs := when_rhs
Joel Andersson
Extra doc: https://github.com/casadi/casadi/wiki/L_5c
C++ includes: dae_builder.hpp
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