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docs: migrate ExaModels examples to the add_var/add_obj/add_con API #645

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Merged
sshin23 merged 1 commit into from
Aug 24, 2026
Merged

docs: migrate ExaModels examples to the add_var/add_obj/add_con API #645

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8 changes: 4 additions & 4 deletions docs/src/tutorials/gpu.md
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Original file line number Diff line number Diff line change
Expand Up @@ -51,13 +51,13 @@ function airport_model(T, backend)
IJ = [(i, j) for i in 1:N-1 for j in i+1:N]
# Write model using ExaModels
core = ExaModels.ExaCore(T; backend=backend)
x = ExaModels.variable(core, 1:N, lvar = -10.0, uvar=10.0)
y = ExaModels.variable(core, 1:N, lvar = -10.0, uvar=10.0)
ExaModels.objective(
ExaModels.@add_var(core, x, 1:N; lvar = -10.0, uvar = 10.0)
ExaModels.@add_var(core, y, 1:N; lvar = -10.0, uvar = 10.0)
ExaModels.@add_obj(
core,
((x[i] - x[j])^2 + (y[i] - y[j])^2) for (i, j) in IJ
)
ExaModels.constraint(core, (x[i]-dcx)^2 + (y[i] - dcy)^2 - dr for (i, dcx, dcy, dr) in data; lcon=-Inf)
ExaModels.@add_con(core, (x[i]-dcx)^2 + (y[i] - dcy)^2 - dr for (i, dcx, dcy, dr) in data; lcon=-Inf)
return ExaModels.ExaModel(core)
end
```
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8 changes: 4 additions & 4 deletions docs/src/tutorials/multiprecision.md
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Expand Up @@ -42,13 +42,13 @@ function airport_model(T)
IJ = [(i, j) for i in 1:N-1 for j in i+1:N]
# Write model using ExaModels
core = ExaModels.ExaCore(T)
x = ExaModels.variable(core, 1:N, lvar = -10.0, uvar=10.0)
y = ExaModels.variable(core, 1:N, lvar = -10.0, uvar=10.0)
ExaModels.objective(
ExaModels.@add_var(core, x, 1:N; lvar = -10.0, uvar = 10.0)
ExaModels.@add_var(core, y, 1:N; lvar = -10.0, uvar = 10.0)
ExaModels.@add_obj(
core,
((x[i] - x[j])^2 + (y[i] - y[j])^2) for (i, j) in IJ
)
ExaModels.constraint(core, (x[i]-dcx)^2 + (y[i] - dcy)^2 - dr for (i, dcx, dcy, dr) in data; lcon=-Inf)
ExaModels.@add_con(core, (x[i]-dcx)^2 + (y[i] - dcy)^2 - dr for (i, dcx, dcy, dr) in data; lcon=-Inf)
return ExaModels.ExaModel(core)
end
```
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10 changes: 5 additions & 5 deletions docs/src/tutorials/quasi_newton.md
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Expand Up @@ -36,14 +36,14 @@ function elec_model(np)
phi = pi .* rand(np)

core = ExaModels.ExaCore(Float64)
x = ExaModels.variable(core, 1:np; start = [cos(theta[i])*sin(phi[i]) for i=1:np])
y = ExaModels.variable(core, 1:np; start = [sin(theta[i])*sin(phi[i]) for i=1:np])
z = ExaModels.variable(core, 1:np; start = [cos(phi[i]) for i=1:np])
ExaModels.@add_var(core, x, 1:np; start = [cos(theta[i])*sin(phi[i]) for i=1:np])
ExaModels.@add_var(core, y, 1:np; start = [sin(theta[i])*sin(phi[i]) for i=1:np])
ExaModels.@add_var(core, z, 1:np; start = [cos(phi[i]) for i=1:np])
# Coulomb potential
itr = [(i,j) for i in 1:np-1 for j in i+1:np]
ExaModels.objective(core, 1.0 / sqrt((x[i] - x[j])^2 + (y[i] - y[j])^2 + (z[i] - z[j])^2) for (i,j) in itr)
ExaModels.@add_obj(core, 1.0 / sqrt((x[i] - x[j])^2 + (y[i] - y[j])^2 + (z[i] - z[j])^2) for (i,j) in itr)
# Unit-ball
ExaModels.constraint(core, x[i]^2 + y[i]^2 + z[i]^2 - 1 for i=1:np)
ExaModels.@add_con(core, x[i]^2 + y[i]^2 + z[i]^2 - 1 for i=1:np)

return ExaModels.ExaModel(core)
end
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