0. Julia - v0.6, onwards, and upwards.ipynb

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   "source": [
    "# Julia: v0.6, onwards, and upwards"
   ]
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   "source": [
    "## David P. Sanders"
   ]
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   "source": [
    "\n",
    "### Department of Physics, Faculty of Sciences \n",
    "### Universidad Nacional Autónoma de México (UNAM)\n",
    "\n",
    "\n",
    "#### JuliaCon, 20 June 2017"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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    }
   },
   "source": [
    "# What is Julia?"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Programming language \n",
    "\n",
    "\n",
    "- Whose design incorporates best ideas from other languages"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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    }
   },
   "source": [
    "- Interactive"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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    }
   },
   "source": [
    "- Compiled, therefore fast"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Extensible - by writing Julia code"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Packages designed to interact with each other"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "Julia allows me to:\n",
    "\n",
    "- Write readable code"
   ]
  },
  {
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   "metadata": {
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   },
   "source": [
    "- That is generic (works with objects of different types)"
   ]
  },
  {
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   "source": [
    "- But is fast"
   ]
  },
  {
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   "metadata": {
    "slideshow": {
     "slide_type": "skip"
    }
   },
   "source": [
    "For an interesting discussion of what makes Julia unique compared to the various attempts to accelerate Python etc., see\n",
    "https://discourse.julialang.org/t/julia-motivation-why-werent-numpy-scipy-numba-good-enough/"
   ]
  },
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   "source": [
    "## Julia is quite stable\n",
    "\n",
    "- Yesterday (literally): **v0.5**\n",
    "\n",
    "\n",
    "\n",
    "- Today: **v0.6**\n",
    "\n",
    "\n",
    "\n",
    "- Tomorrow: **v1.0** - first long-term stable release"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# How to use Julia"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- REPL (command line): Interactive experiments (see `OhMyREPL.jl`)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [Jupyter Notebook](http://jupyter.org): Coherent narrative documents (see keynote)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [Nteract](nteract.io): Desktop app for Jupyter notebook format"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [Juno](http://junolab.org/): Julia IDE in Atom editor (inline evaluation)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [JuliaBox.com](http://juliabox.com): Online Jupyter Notebook server"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [JuliaPro](https://juliacomputing.com/products/juliapro.html):  JuliaComputing bundled version; pro support"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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    }
   },
   "source": [
    "## Installation of Jupyter notebook:\n",
    "\n",
    "From REPL:\n",
    "```\n",
    "julia> Pkg.add(\"IJulia\")\n",
    "\n",
    "julia> using IJulia\n",
    "julia> notebook()\n",
    "``` \n",
    "\n",
    "\n",
    "Note that `pwd()` gives current directory\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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    }
   },
   "source": [
    "## Where to get help\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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     "slide_type": "fragment"
    }
   },
   "source": [
    "- Interactively (REPL / Juno / IJulia): `?sin`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- [Julia docs](https://docs.julialang.org/en/stable/)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Google"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Discourse discussion forum: https://discourse.julialang.org/"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Gitter chat room(s):  https://gitter.im/JuliaLang/julia"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- JuliaCon slack"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# Goal of this tutorial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Introductory"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Julian workflow"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Aspects of modern Julia (0.6 to 1.0)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Some key packages and tools"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "source": [
    "- Minimise repetition from (my) previous tutorials"
   ]
  }
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