Cleaning up obselete function additions

Author: cadojo

src/ModelingToolkit.jl

@@ -162,7 +162,6 @@ export Equation, ConstrainedEquation
 export Term, Sym
 export SymScope, LocalScope, ParentScope, GlobalScope
 export independent_variable, states, parameters, equations, controls, observed, structure, defaults
-export ssmodel, linearize
 export structural_simplify
 export DiscreteSystem, DiscreteProblem
 

src/systems/diffeqs/abstractodesystem.jl

@@ -78,25 +78,6 @@ function generate_control_jacobian(sys::AbstractODESystem, dvs = states(sys), ps
     return build_function(jac, dvs, ps, get_iv(sys); kwargs...)
 end
 
-"""
-```julia
-generate_linearization(sys::ODESystem, dvs = states(sys), ps = parameters(sys), ctrls = controls(sys), point = defaults(sys), expression = Val{true}; sparse = false, kwargs...)
-```
-
-Generates a function for the linearized state space model of the system. Extra arguments
-control the arguments to the internal [`build_function`](@ref) call.
-"""
-function generate_linearization(sys::AbstractSystem, dvs = states(sys), ps = parameters(sys), ctrls = controls(sys);
-                                simplify=false, sparse=false, kwargs...) 
-    ops = map(eq -> eq.rhs, equations(sys)) 
-    
-    jac = calculate_jacobian(sys;simplify=simplify,sparse=sparse)
-
-    A = @views J[1:length(states(sys)), 1:length(states(sys))]
-    B = @views J[1:length(states(sys)), length(states(sys))+1:end]
-
-    return A, B
-end
 @noinline function throw_invalid_derivative(dervar, eq)
     msg = "The derivative variable must be isolated to the left-hand " *
     "side of the equation like `$dervar ~ ...`.\n Got $eq."