f = @ode_def_bare Drift begin
dα₁ = -(γ + 2imχα₁ᾱ₁)α₁ + imJα₂
dᾱ₁ = -(γ - 2imχᾱ₁α₁)ᾱ₁ - imJᾱ₂
dα₂ = ϵ - 2imχα₂^2ᾱ₂ + imJ(α₁ + α₃)
dᾱ₂ = conj(ϵ) + 2imχᾱ₂^2α₂ - imJ(ᾱ₁ + ᾱ₃)
dα₃ = -(γ + 2imχα₃ᾱ₃)α₃ + imJα₂
dᾱ₃ = -(γ - 2imχᾱ₃α₃)ᾱ₃ - imJᾱ₂
end γ=>1. χ=>.01 ϵ=>10. J=1.
LoadError: UndefVarError: @ode_def_bare not defined
in expression starting at In[16]:2
Stacktrace:
[1] top-level scope
@ :0
[2] eval
@ .\boot.jl:373 [inlined]
[3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)
@ Base .\loading.jl:1196
求大神赐教， @ode_def_bare 应该怎么改。这是调用了DifferentialEquations包。如有相关资料，也希望能共享下，谢谢~