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jump test margo.jl
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jump test margo.jl
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### A Pluto.jl notebook ###
# v0.14.5
using Markdown
using InteractiveUtils
# ╔═╡ 3c6b68f0-4081-11eb-2393-2b8fb00657e2
begin
using Revise
import ClimateMARGO
using ClimateMARGO.Models
using ClimateMARGO.Optimization
using ClimateMARGO.Diagnostics
using ClimateMARGO.Utils
end
# ╔═╡ 2aa91e85-5a35-40ac-8657-590c8e8e8007
using JuMP
# ╔═╡ 8f260d68-b919-44a4-acae-423a357cef3c
using Plots
# ╔═╡ 0794d76e-9413-4c28-b4a9-104dc12d0b6d
using PlutoUI
# ╔═╡ a26a5645-bbe7-4efd-85d6-0d3fb3b487a7
md"""
# MARGO JuMP arrays test
"""
# ╔═╡ 52597d62-c730-42da-b983-61f2b9816f01
model_parameters = deepcopy(ClimateMARGO.IO.included_configurations["default"])::ClimateModelParameters
# ╔═╡ 1cf5a0c0-0b97-4802-87f9-8410d47f4873
time = let
d = model_parameters.domain
d.initial_year:d.dt:d.final_year
end
# ╔═╡ 717b904e-1547-4718-af20-67ee34f2ed71
# N = length(time)
# ╔═╡ fca12051-3d72-45b1-b791-7ddec21704cd
# ╔═╡ 24ffa39d-5206-4ea7-a680-6da8dc0daa1d
max_slope_M = .02
# ╔═╡ bcea1e6e-0aac-44ac-ac97-1b4d5e926238
max_slope_R = .02
# ╔═╡ 575d53ed-ede5-4d09-a9bd-38f2a3962c55
md"""
## Simple forward model function
To keep things simple, we wrap MARGO's forward model in a number of functions with:
- input: `Vector{Real}`
- output: `Real` or `Vector{Real}`
"""
# ╔═╡ e0bbd81a-8680-41f1-a501-2045b1b17308
dummy_model = ClimateModel(model_parameters)
# ╔═╡ 0dd6a0ee-1a35-4870-82ea-60db6fc9c2f2
function log_JuMP(x)
if x <= 0.
return -1000.0
else
return log(x)
end
end
# ╔═╡ 9dfa933a-b3d4-42d2-a6f8-03ec306388f0
begin
local m = dummy_model
# Shorthands
const tarr = t(m)
const Earr = E(m)
const τ = τd(m)
const dt = m.domain.dt
const t0 = tarr[1]
const tp = m.domain.present_year
const q = m.economics.baseline_emissions
const qGtCO2 = ppm_to_GtCO2(q)
const Tb = T(m)
const N = length(tarr)
end
# ╔═╡ 1c587211-74b5-42e9-967f-3f567b3e61e4
function T_adapt_fast(m)
M = m.controls.mitigate
R = m.controls.remove
G = m.controls.geoeng
A = m.controls.adapt
cumsum_qMR = Vector{Any}(undef, N)
cumsum_qMR[1] = (dt * (m.physics.r * (q[1] * (1. - M[1]) - q[1] * R[1])))
for i in 1:N-1
cumsum_qMR[i+1] = cumsum_qMR[i] +
(dt * (m.physics.r * (q[i+1] * (1. - M[i+1]) - q[1] * R[i+1])))
end
cumsum_KFdt = Vector{Any}(undef, N)
for i in 0:N-1
cumsum_KFdt[i+1] = (i == 0 ? 0.0 : cumsum_KFdt[i]) +
(
dt *
exp( (tarr[i+1] - (t0 - dt)) / τ ) * (
m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[i+1]) /
(m.physics.c0)
) - m.economics.Finf*G[i+1] )
)
end
cumsum_KFdt
map(eachindex(tarr)) do i
(m.physics.T0 +
(
(m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[i]) /
(m.physics.c0)
) - m.economics.Finf*G[i]
) +
m.physics.κ /
(τ * m.physics.B) *
exp( - (tarr[i] - (t0 - dt)) / τ ) *
cumsum_KFdt[i]
) / (m.physics.B + m.physics.κ)
) - A[i]*Tb[i]
end
end
# ╔═╡ 79a0b0b4-adbc-48a2-874a-bfb88c1a2a36
function temperature_controlled(M::Vector{<:Real}, R::Vector{<:Real})::Vector{<:Real}
dummy_model.controls.mitigate = M
dummy_model.controls.remove = R
# T_adapt(dummy_model; M=true, R=true, G=true, A=true)
T_adapt_fast(dummy_model)
end
# ╔═╡ 000ff54d-32ab-40c3-8163-8fbab273a1fe
T_adapt_fast(dummy_model)
# ╔═╡ 0745576f-a3d3-4e3a-9016-9640699c7f5c
dummy_model.physics.T0
# ╔═╡ cdac10a8-99a2-47f0-8e5b-6275b0801baf
sample_M = fill(0.5, length(time))
# ╔═╡ f1894a62-f2ef-482c-9d78-57dbf942be8c
sample_R = 0.5 .* sample_M
# ╔═╡ 8cf95f10-6445-41e3-b67e-0a6868af0944
temperature_controlled(sample_M, sample_R)
# ╔═╡ fde600f7-b359-44cb-878b-bfcc9d89388b
function final_temperature_controlled(M::Vector{<:Real}, R::Vector{<:Real})::Real
temperature_controlled(M, R)[end]
end
# ╔═╡ 1697d698-bdce-4ffc-a58d-9467dd3da52d
function square_right_error(x, y)
err = x - y
if err > 0
err ^ 2
else
zero(err)
end
end
# ╔═╡ 5e2e7896-e0dd-4fce-87e2-189c505d51ab
plot(x -> square_right_error(x, 1))
# ╔═╡ cdac2914-a1f7-4c29-97c4-931146703a94
final_temperature_controlled(sample_M, sample_R)
# ╔═╡ 8c8c1573-0dac-44d2-9486-ccc134a3142d
function control_costs(M::Array{<:Real,1}, R::Vector{<:Real})::Real
model = ClimateModel(model_parameters)
model.controls.mitigate = M
model.controls.remove = R
costs = cost(model; M=true, R=true, discounting=true)
sum(costs .* model.domain.dt)
end
# ╔═╡ 51d79aed-0316-4e13-b25a-aadc5b1e266f
control_costs(sample_M, sample_R)
# ╔═╡ 0f550146-9c67-474e-bcf5-a8f66f6d5928
md"""
## Let's optimize!
"""
# ╔═╡ 76abb0dd-3ba0-48f5-a909-c5bb97f10854
import ClimateMARGO.Optimization.Ipopt
# ╔═╡ 6659e62c-b019-4f42-bde6-c5957a6e9c90
setup_opt_model() = Model(optimizer_with_attributes(Ipopt.Optimizer,
"acceptable_tol" => 1.e-8, "max_iter" => Int64(1e8),
"acceptable_constr_viol_tol" => 1.e-3, "constr_viol_tol" => 1.e-4,
"print_frequency_iter" => 50, "print_timing_statistics" => "no",
"print_level" => 0,
))
# ╔═╡ d4c7acf5-dbd7-448c-9ecf-1dcef1c00033
md"""
### Wrapping functions
We can have "vectors" in JuMP, but really, they are a list of scalar variables, with handy notation. It is not a vector in the sense of `Array`.
You cannot call a JuMP-registered Julia function with a JuMP vector, but you can call a function that takes a long list of arguments. So if we want to register a function that takes an array as argument, we have to write a wrapper function. [This trick is described in the JuMP docs](https://jump.dev/JuMP.jl/v0.21.1/nlp/#User-defined-functions-with-vector-inputs-1)
"""
# ╔═╡ 65d2ef7a-380c-4b8f-b209-ac9d37d7be6d
begin
val(i::Int) = i
val(i::Float64) = Int(i)
val(i::JuMP.ForwardDiff.Dual) = Int(i.value)
end
# ╔═╡ e10c98a3-1bfc-4d0a-a550-46c0a014532d
# temperatures_controlled_jump(M...) = temperatures_controlled(collect(M))
# ╔═╡ 97aeb55a-385c-4ed8-8f68-c1f06106d1ac
# ╔═╡ 98fe65f7-7a60-43af-8509-690aaa7828c6
# final_temperature_controlled_jump(M...) = final_temperature_controlled(collect(M))
# ╔═╡ 347ed8b7-4f2f-491d-9a07-179d3615a314
temperature_controlled_memory = Dict()
# ╔═╡ a19ad6cf-5c5b-461c-b662-2da620033207
begin
const temperature_controlled_memory_key = Ref(objectid(123))
const temperature_controlled_memory_value = Ref{Any}(nothing)
end
# ╔═╡ da4a5313-ff17-44f4-8917-98b4bab345ad
# ╔═╡ 7ec78d92-4e6e-4dc6-9e1a-fd417b8243f3
z = []
# ╔═╡ 6fc4a76c-e967-4e39-a4b2-12c8520878f5
function temperature_controlled_jump(MRi...)
i = val(MRi[end])
id = objectid(MRi[1:2*N])
a = get!(temperature_controlled_memory, id) do
M = collect(MRi[ 1 : 1 * N])
R = collect(MRi[ N + 1 : 2 * N])
temperature_controlled(M, R)
end
# a = if temperature_controlled_memory_key[] === id
# temperature_controlled_memory_value[]
# else
# temperature_controlled_memory_value[] = temperature_controlled(M, R)
# end
# a = temperature_controlled(M, R)
# b = temperature_controlled(M, R)
# push!(z, eltype(M))
# if a != b
# @warn "Not equal!" a b
# end
a[i]
end
# ╔═╡ ea6af56d-bf06-42ed-a52e-c1885a2db2cd
# function temperature_controlled_jump2(MR...)
# M = collect(MR[ 1 : 1 * N])
# R = collect(MR[ N + 1 : 2 * N])
# get!(temperature_controlled_memory, (M,R)) do
# temperature_controlled(M, R)
# end
# end
# ╔═╡ 5a7345e2-6da1-4123-9df7-5a77972a806c
function final_temperature_controlled_jump(MR...)
M = collect(MR[ 1 : 1 * N])
R = collect(MR[ N + 1 : 2 * N])
final_temperature_controlled(M, R)
end
# ╔═╡ 11612fc8-382a-4fdb-ae87-51d7819c284d
function control_costs_jump(MR...)
M = collect(MR[ 1 : 1 * N])
R = collect(MR[ N + 1 : 2 * N])
control_costs(M, R)
end
# ╔═╡ 354c0322-7aa8-4541-bd88-4193aaa7c2d4
md"""
### Run the optimization
"""
# ╔═╡ 3c6b1f01-bc0e-492e-b6d0-aca9a26c9f86
T_max = 3
# ╔═╡ 4a9ee95b-ef60-4e9b-b40c-df37c0093e6d
function total_overshoot_temperature_controlled(M::Vector{<:Real}, R::Vector{<:Real})::Real
T = temperature_controlled(M, R)
sum(square_right_error.(T, (T_max,)))
end
# ╔═╡ 29aa2a7b-6f0b-425b-88f7-40a2578f7f1b
function total_overshoot_temperature_controlled_jump(MR...)
M = collect(MR[ 1 : 1 * N])
R = collect(MR[ N + 1 : 2 * N])
total_overshoot_temperature_controlled(M, R)
end
# ╔═╡ 28e345c0-9b4c-47b5-9d87-4c0d7ef96de3
begin
empty!(temperature_controlled_memory)
model_optimizer = setup_opt_model()
local mo = model_optimizer
local m = dummy_model
local N = length(time)
local odx = N
local temp_overshoot = T_max
local temp_goal = T_max
M = @variable(model_optimizer, 0.0 <= M[1:N] <= 1.0)
R = @variable(model_optimizer, 0.0 <= R[1:N] <= 1.0)
G = @variable(model_optimizer, 0.0 <= G[1:N] <= 1.0)
A = @variable(model_optimizer, 0.0 <= A[1:N] <= 1.0)
for i in 1:N
@constraint(mo, 0 == G[i])
@constraint(mo, 0 == A[i])
end
# Register our wrapper functions
###
register(mo,
:final_temperature_controlled_jump,
N * 2,
final_temperature_controlled_jump,
autodiff=true
)
# register(m,
# :total_overshoot_temperature_controlled_jump,
# N * 2,
# total_overshoot_temperature_controlled_jump,
# autodiff=true
# )
register(mo,
:control_costs_jump,
N * 2,
control_costs_jump,
autodiff=true
)
register(mo,
:temperature_controlled_jump,
N * 2 + 1,
temperature_controlled_jump,
autodiff=true
)
# register(m,
# :temperature_controlled_jump2,
# N * 2,
# temperature_controlled_jump2,
# autodiff=true
# )
register(model_optimizer, :log_JuMP, 1, log_JuMP, autodiff=true)
# Temperature constraint
###
# temp_constraints = @NLconstraint(m,
# final_temperature_controlled_jump(M..., R...) <= T_max)
for i in 1:N
# temp_constraints = @NLconstraint(m,
# temperature_controlled_jump(M..., R..., i) <= T_max)
# temp_constraints = @NLconstraint(m,
# temperature_controlled_jump2(M..., R...)[i] <= T_max)
end
# temp_constraints = @NLconstraint(m,
# total_overshoot_temperature_controlled_jump(M..., R...) <= 0.0)
# add integral function as a new variable defined by first order finite differences
cumsum_qMR = @variable(model_optimizer, cumsum_qMR[1:N]);
for i in 1:N-1
@constraint(
model_optimizer, cumsum_qMR[i+1] - cumsum_qMR[i] ==
(dt * (m.physics.r * (q[i+1] * (1. - M[i+1]) - q[1] * R[i+1])))
)
end
@constraint(
model_optimizer, cumsum_qMR[1] == (dt * (m.physics.r * (q[1] * (1. - M[1]) - q[1] * R[1])))
);
# add temperature kernel as new variable defined by first order finite difference
cumsum_KFdt = @variable(model_optimizer, cumsum_KFdt[1:N]);
for i in 1:N-1
@NLconstraint(
model_optimizer, cumsum_KFdt[i+1] - cumsum_KFdt[i] ==
(
dt *
exp( (tarr[i+1] - (t0 - dt)) / τ ) * (
m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[i+1]) /
(m.physics.c0)
) - m.economics.Finf*G[i+1] )
)
)
end
@NLconstraint(
model_optimizer, cumsum_KFdt[1] ==
(
dt *
exp( dt / τ ) * (
m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[1]) /
(m.physics.c0)
) - m.economics.Finf*G[1] )
)
);
# Subject to temperature goal (during overshoot period)
for i in 1:odx-1
# @NLconstraint(model_optimizer,
# T_adapt_JuMP(M..., R..., G..., A..., i) <= temp_overshoot
# )
@NLconstraint(model_optimizer,
((m.physics.T0 +
(
(m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[i]) /
(m.physics.c0)
) - m.economics.Finf*G[i]
) +
m.physics.κ /
(τ * m.physics.B) *
exp( - (tarr[i] - (t0 - dt)) / τ ) *
cumsum_KFdt[i]
) / (m.physics.B + m.physics.κ)
)
- A[i]*Tb[i]) <=
temp_overshoot
)
end
# Subject to temperature goal (after temporary overshoot period)
for i in odx:N
@NLconstraint(model_optimizer,
((m.physics.T0 +
(
(m.physics.a * log_JuMP(
(m.physics.c0 + cumsum_qMR[i]) /
(m.physics.c0)
) - m.economics.Finf*G[i]
) +
m.physics.κ /
(τ * m.physics.B) *
exp( - (tarr[i] - (t0 - dt)) / τ ) *
cumsum_KFdt[i]
) / (m.physics.B + m.physics.κ)
)
- A[i]*Tb[i]) <=
temp_goal
)
end
# Slope constraint
###
max_difference_M = max_slope_M * step(time)
max_difference_R = max_slope_R * step(time)
dM = @variable(mo,
-max_difference_M <= dM[1:N-1] <= max_difference_M
)
dR = @variable(mo,
-max_difference_R <= dR[1:N-1] <= max_difference_R
)
diff_con_M = @constraint(mo, diff_con_M[i = 1:N-1],
dM[i] == (M[i+1] - M[i])
)
diff_con_R = @constraint(mo, diff_con_R[i = 1:N-1],
dR[i] == (R[i+1] - R[i])
)
# Initial value constraint
###
init_con_M = @constraint(mo, init_con_M,
M[1] == 0.0
)
init_con_R = @constraint(mo, init_con_R,
R[1] == 0.0
)
# Objective
###
min_objective = @NLobjective(
mo, Min,
control_costs_jump(M..., R...)
)
model_optimizer
end;
# ╔═╡ e62e59d7-05f5-41dc-9162-f8a9f0825169
model_optimized = let
optimize!(model_optimizer)
model_optimizer
end
# ╔═╡ 2cbcf37f-657e-4b0e-933f-ff2818b54a57
termination_status(model_optimized)
# ╔═╡ 8e9344df-0633-4608-8fc1-0ab601d69bd6
objective_value(model_optimized)
# ╔═╡ fd32e430-3b4f-4de6-aa46-2ce265de5add
M_optimized = let
model_optimized
value.(M)
end
# ╔═╡ a6fad854-a165-4693-9034-4d8f1b1d9841
R_optimized = let
model_optimized
value.(R)
end
# ╔═╡ f7c5bb61-9bee-41e5-b337-b68850c3f956
md"""
## Result
"""
# ╔═╡ 333a1520-9edf-4789-ac1f-75c5e7e2a694
plot(time, M_optimized,
title="Optimized Mitigation",
dpi=300, size=(400,200))
# ╔═╡ 9526372e-2180-42a9-8221-7caa1bb5521e
plot(time, R_optimized,
title="Optimized Removal",
dpi=300, size=(400,200))
# ╔═╡ 7a5f2082-c634-4b67-9ab5-c65fca14c169
plot(time, temperature_controlled(M_optimized, R_optimized),
title="Temperature increase",
dpi=300, size=(400,200))
# ╔═╡ 17b9f7be-87f2-418f-8a53-d6b3cc735768
let
optimize_controls!(dummy_model; temp_goal=3)
end
# ╔═╡ c3dcfc24-2bab-4327-a639-30f3020a8f2f
md"""
# Conclusion
I was able to run some MARGO functions directly inside JuMP:
- The total control costs
- The final temperature
These are both functions that take the `M` array as input, and return a scalar. I had to make one modification to ClimateMARGO.jl: the type of the control vectors changed from `Vector{Float64}` to `Vector{<:Real}`. This is necessary because JuMP uses forward mode automatic diff: it runs your function with dual numbers instead of floats. See the diff [here](https://github.com/ClimateMARGO/ClimateMARGO.jl/compare/forward-diffable) (don't merge this yet).
Using these two I was able to: _minimize_ control costs _subject to_ `temp[2200] <= T_max` (i.e. overshoot allowed).
---
**I was not able** to write the global temperature constraint, without calculating the entire temperature series once for each variable M. To my knowledge, it is not possible have this NLconstraint:
```
f(my_vector...) <= my_scalar
```
because you can only give scalar equations & constraints to JuMP. If you write a 'vector constraint' in JuMP, it is really just a pointwise scalar constraint, and this is not the case with our 'black box' Vector->Vector function.
"""
# ╔═╡ 06170709-ac84-46ec-ada4-149732b08256
md"""
## 4 vectors instead of 1
The unwrapping trick can also be used to take the M, R, G, A arrays as inputs:
"""
# ╔═╡ 6cce8e6f-fffd-4a81-b1f9-0dfc34ff746e
small_N = 2
# ╔═╡ 4fb435ce-5929-4595-9a89-8ffbfdc14c0f
f(M, R, G, A) = M .+ R .+ G .+ A
# ╔═╡ 57b82807-2954-43ad-9c54-7745944986da
function f_wrapped(MRGA...)
M = collect(MRGA[ 1 : 1 * small_N])
R = collect(MRGA[ small_N + 1 : 2 * small_N])
G = collect(MRGA[2 * small_N + 1 : 3 * small_N])
A = collect(MRGA[3 * small_N + 1 : 4 * small_N])
# remaining arguments
e = collect(MRGA[4 * small_N + 1 : end])
f(M, R, G, A, e...)
end
# ╔═╡ b05800fb-2075-441b-b2c7-7182fd1adb3f
f_wrapped(1, 0, 2, 0, 3, 0, 4, 0)
# ╔═╡ 0eab42af-b05c-47ef-9ce4-d49dddf6e2bd
let
# in jump it would look a bit like:
M = [1, 0]
R = [2, 0]
G = [3, 0]
A = [4, 0]
f_wrapped(M..., R..., G..., A...)
end
# ╔═╡ 9f229c35-fa35-49a4-8ed4-a8dc9264920e
g(M,R,G,A,i) = f(M,R,G,A)[i]
# ╔═╡ 9c920e1a-9e47-4fb1-9ed2-581aad8779a3
function g_wrapped(MRGA...)
M = collect(MRGA[ 1 : 1 * small_N])
R = collect(MRGA[ small_N + 1 : 2 * small_N])
G = collect(MRGA[2 * small_N + 1 : 3 * small_N])
A = collect(MRGA[3 * small_N + 1 : 4 * small_N])
# remaining arguments
e = collect(MRGA[4 * small_N + 1 : end])
g(M, R, G, A, e...)
end
# ╔═╡ c6a3509c-5655-406b-a0d7-162b19cbfda0
let
# in jump it would look a bit like:
M = [1, 0]
R = [2, 0]
G = [3, 0]
A = [4, 0]
g_wrapped(M..., R..., G..., A..., 1)
end
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