Hello Everyone, I’ve just installed Julia and Convex.jl (package for convex optimisation) and things work fine as long as my variables are real, e.g.

using Convex

using SCS

x = Variable()

And then I can optimise. However, I want to deal with complex variables. According to http://convexjl.readthedocs.io/en/latest/complex-domain_optimization.html

this should just work if I type

x = ComplexVariable()

Unfortunately, what I get is:

ERROR: UndefVarError: ComplexVariable not defined

I guess I must be missing a package or something… Could anyone help me to figure this out? Thanks a lot.

In case this matters:

julia> versioninfo()

Julia Version 0.5.0

Commit 3c9d753* (2016-09-19 18:14 UTC)

Platform Info:

System: Linux (x86_64-suse-linux)

CPU: Intel® Core™ i3-2350M CPU @ 2.30GHz

WORD_SIZE: 64

BLAS: libopenblas (DYNAMIC_ARCH NO_AFFINITY Sandybridge)

LAPACK: libopenblas_openmp.so.0

LIBM: libopenlibm

LLVM: libLLVM-3.7.1 (ORCJIT, sandybridge)

julia> Pkg.installed()

Dict{String,VersionNumber} with 24 entries:

“NaNMath” => v"0.2.2"

“ForwardDiff” => v"0.3.3"

“Optim” => v"0.7.4"

“JuMP” => v"0.15.0"

“Conda” => v"0.4.0"

“LineSearches” => v"0.1.3"

“DiffBase” => v"0.0.2"

“SHA” => v"0.3.0"

“Lazy” => v"0.11.4"

“ReverseDiffSparse” => v"0.6.0"

“ZMQ” => v"0.4.0"

“JSON” => v"0.8.0"

“DataStructures” => v"0.5.1"

“Compat” => v"0.11.0"

“IJulia” => v"1.3.3"

“SCS” => v"0.2.7"

“Calculus” => v"0.1.15"

“MathProgBase” => v"0.5.8"

“MacroTools” => v"0.3.4"

“BinDeps” => v"0.4.5"

“Convex” => v"0.4.0"

“PositiveFactorizations” => v"0.0.3"

“Nettle” => v"0.2.4"

“URIParser” => v"0.1.6"