handle the Vector{Float} case

Author: ChrisRackauckas

src/systems/diffeqs/abstractodesystem.jl

@@ -864,6 +864,9 @@ function process_DEProblem(constructor, sys::AbstractODESystem, u0map, parammap;
     # TODO: make it work with clocks
     if (implicit_dae || calculate_massmatrix(sys) !== I) &&
        all(isequal(Continuous()), ci.var_domain)
+        if eltype(u0map) <: Number
+            u0map = unknowns(sys) .=> u0map
+        end
         initializeprob = ModelingToolkit.InitializationProblem(
             sys, u0map, parammap; guesses, warn_initialize_determined)
         initializeprobmap = getu(initializeprob, unknowns(sys))