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The Julia Language

Julia is a high-level dynamic programming language designed to address the needs of high-performance numerical analysis and computational science. It provides a sophisticated compiler, distributed parallel execution, numerical accuracy, and an extensive mathematical function library.

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  • Created by Jeff Bezanson, Stefan Karpinski, Viral B. Shah, Alan Edelman
  • Released February 14, 2012

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marcoct
marcoct commented on Feb 24, 2019

It's easy to implement single-site versions of these, where the user provides a (finite) set of values of the variable to consider. These would go into the inference library:

Map optimization:

function Gen.map_optimize(trace, addr, values)
    args = get_args(trace)
    argdiffs = map((_) -> NoChange(), args)
    weights = Vector{Float64}(undef, length(values))
    traces = Vecto
JuMP.jl
migarstka
migarstka commented on May 3, 2019

This is a follow-up on my question from the Gitter channel.
I am trying to create the following SDP with LMI constraints:

min c' x
s.t.  A0 + A1 * x[1] + A2 * x[2] >= 0

Assume that the matrices A0, A1 and A2 are sparse and the matrices A1 and A2 are stored in B, which is an Array{SparseMatrixCSC{Float64,Int64}}

using JuMP, LinearAlgebra, SparseArrays

m = 
johnjeng
johnjeng commented on Sep 18, 2019

Motivated by the following experience and other similar ones observed by colleagues, this issue is about improving the project page's usability for new users.

Watching this person use cocalc for the first time was a little disturbing...

  • Clicked sign in with github. It worked! Didn't have to check the agree to terms button...
  • To make a new project he tried to click new project button b
ablaom
ablaom commented on Aug 23, 2019

Here's a great opportunity for new contributors.

The main breaking changes effecting the examples would concern:

  • tuning

  • learning networks

These are now both covered in the updated manual, so that should be easy to sort. Note there are now two ways to export a learning network. The examples should use the new easy @from_netw

ryuhhh
ryuhhh commented on Jan 9, 2019

I tried to run Control example, but it does not work.

The error message said

MethodError: no method matching +(::Array{Any,1}, ::EqConstraint)
Closest candidates are:
+(::Any, ::Any, !Matched::Any, !Matched::Any...) at operators.jl:502
+(::Array, !Matched::Array...) at arraymath.jl:44
+(::Array, !Matched::SparseArrays.SparseMatrixCSC) at C:\cygwin\home\Administrator\buildbot\wor

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