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    "# IN3110/IN4110: Problem solving with higher level languages\n",
    "\n",
    "<center>\n",
    "<img src=\"https://imgs.xkcd.com/comics/python.png\" style=\"width: 400px;\"/>\n",
    "    <figcaption>credit: <a href=\"https://imgs.xkcd.com/comics/python.png\">xkcd</a></figcaption>\n",
    "</center>\n",
    "    "
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   "source": [
    "## The team behind this course"
   ]
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   "source": [
    "### Lecturers\n",
    "\n",
    "<center>\n",
    "<figure style=\"float:left;\">\n",
    "    <img src=\"figs/jorgen.jpg\" style=\"width:200px;\"/>\n",
    "    <figcaption>Jørgen Dokken</figcaption>\n",
    "</figure>\n",
    "<figure style=\"float:left;\">\n",
    "    <img src=\"figs/min.jpg\" style=\"width:200px;\"/>\n",
    "    <figcaption>Min Ragan-Kelley</figcaption>\n",
    "</figure> \n",
    "\n",
    "<figure style=\"float:left;\">\n",
    "    <img src=\"figs/miro.jpg\" style=\"width:200px;\"/>\n",
    "    <figcaption>Miroslav Kuchta</figcaption>\n",
    "</figure>\n",
    "</center>\n",
    "<br/>"
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   "source": [
    "### Group sessions\n",
    "\n",
    "Several teaching assistants and assignment correctors\n",
    "\n",
    "Do you have an idea how to make this course better? Contact us! at in3110@simula.no"
   ]
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   "source": [
    "## What we use higher level languages for...\n",
    "\n",
    "* creating efficient working (or problem solving) environments\n",
    "* developing large-scale simulation software\n",
    "* making flexible and user-friendly software\n",
    "* we mostly use the Bash and Python languages\n",
    "\n",
    "<video controls src=\"figs/aneurysm.mp4\"  style=\"width: 600px;\"/>\n",
    "Video credit: Simulation of blood flow through an aneurysms (Kristian Valen-Sendstad et al)\n"
   ]
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   },
   "source": [
    "## What we use higher level languages for...\n",
    "\n",
    "<center>\n",
    "<img src=\"https://i0.wp.com/softwareengineeringdaily.com/wp-content/uploads/2018/07/gravitational-waves-jupyter-notebook.png?fit=1256%2C898&ssl=1\" style=\"width:600px;\"/>\n",
    "<figcaption>Jupyter Notebook</figcaption>\n",
    "    </center>\n",
    "\n"
   ]
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   "source": [
    "<center><h1>What will you learn</h1></center>"
   ]
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   "source": [
    "## This course teaches you the tools to become an effective programmer\n",
    "\n",
    "  * **Problem**: you are not an expert (yet).\n",
    "      * Where to find detailed info, and how to understand it?\n",
    "      * How to program in a team?\n",
    "  * The **effective programmer**:\n",
    "      * navigates quickly in the jungle of README files, source code examples, web sites, ... and develops intuition for what to look for. \n",
    "      * knows the tools and best practices for collaborative programming.\n",
    "  * The **aim of the course** is to improve your practical problem-solving abilities.\n",
    " "
   ]
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   "source": [
    "## This course teaches you how to become a practical problem solver\n",
    "\n",
    "  * Scripting in general, but with most examples taken from scientific computing\n",
    "  * Find examples, online documentation and textbooks on demand\n",
    "  * Learn by doing  \n",
    "  * Write robust, well-documented, and fast code \n",
    "  * Provide feedback and learn from fellow student's implementations  \n",
    "  * **Have fun and work with useful things**"
   ]
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   "source": [
    "## An outlook of the first lectures \n",
    "\n",
    "  * Today: The **Git** version control system\n",
    "  * Next weeks: Review basic and advanced **Python** \n",
    "  * Following: survey of scientific tools and techniques in scientific Python (numpy, data analysis and visualization, web programming)"
   ]
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   "source": [
    "## Required background (1): Programming\n",
    "\n",
    "* Wide range of backgrounds with respect to Python and general programming experience.\n",
    "* Some Python programming knowledge is expected for IN3110/IN4110.\n",
    "* Two Python lectures will review (basic and advanced) Python features. "
   ]
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   "source": [
    "## Required background (2): Mathematics\n",
    "\n",
    "* Very little mathematics is needed to complete the course.\n",
    "* Basic knowledge will make life easier:\n",
    "  * General functions, such as $f(x) = ax +b$, and how they are turned into computer code\n",
    "  * Standard mathematical functions such as $\\sin(x),\\cos(x)$, and exponential functions\n",
    "  * Simple matrix-vector operations\n",
    "* A learn-on-demand strategy should work fine, as long as you do not panic at the sight of a mathematical expression."
   ]
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   "source": [
    "<center><h1>Course organisation</h1></center>\n",
    "\n",
    "\n"
   ]
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    "## Lectures\n",
    "\n",
    "* Wednesdays, 12:15-14:00, OJD, Aud Simula\n",
    "* As much as possible, lectures will be recorded and available on the [course website][]\n",
    "* Lecture notes at https://uio-in3110.github.io will be fairly complete, up to the most recent lecture.\n",
    "* We also have some past videos from previous years available in our [YouTube channel][]\n",
    "\n",
    "Relevant literature will be presented at every lecture. You must find the rest: manuals, textbooks, web search, etc.\n",
    "Practicing your ability to find this information _is part of the course_.\n",
    "\n",
    "[course website]: https://www.uio.no/studier/emner/matnat/ifi/IN3110/h23\n",
    "[YouTube channel]: https://youtube.com/channel/UCpOB3OcVNTqnIiXcageiv_A\n",
    "\n"
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    "## Group sessions and assignments (1)\n",
    "\n",
    "* Two types of assignments:\n",
    "    1. Mandatory assignments (homework)\n",
    "    2. Group session exercises (optional)\n",
    "* Assignments, excercises, and deadlines are published on the [assignments page](https://pages.github.uio.no/IN3110/assignments/assignments/).\n",
    "* First assignment published by Friday (25. August), deadline next Friday (1. September).\n",
    "* 3-day extensions automatically granted via [online form](https://forms.gle/UpLTX6LeDpKNJuE77) (link is also on the course website).\n",
    "  Longer extensions should contact us at in3110@simula.no soon as possible for arrangements.\n",
    "\n",
    "\n",
    "**Group sessions and exercises are the core of the course: problem solving is the focus**."
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    "## Group sessions and assignments (2)\n",
    "\n",
    "__Mandatory assignments:__\n",
    "\n",
    "* Mix of short (1 week) and large (3 week) assignments\n",
    "* Peer review conducted in group sessions\n",
    "* **Must be solved individually**\n",
    "* **Give points towards passing the course**\n",
    "  \n",
    "__Group sessions:__\n",
    "\n",
    "* Can be used to work on exercises or on mandatory assignment\n",
    "* Will offer (ungraded) peer review of assignments\n",
    "* No strict requirement to show up in group classes, but useful to ask questions and discuss solutions"
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    "## How to pass the course\n",
    "\n",
    "* **Pass/fail** course (no exam, no grades).\n",
    "* Mandatory assignments and peer-review give points towards passing the course.\n",
    "* **IN3110**: Max 110 points (plus some bonus points). Pass criteria: >=85 points.\n",
    "* **IN4110**: Max 140 points (plus some bonus points). Pass criteria: >=110 points.\n",
    "  \n",
    "There is no other difference between IN3110 and IN4110."
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    "\n",
    "## Mandatory assignments are handed in using github.uio.no\n",
    "\n",
    "  * Login to [github.uio.no](https://www.github.uio.no) **before Friday (in two days)** with your UiO username and password. This automatically creates your account.\n",
    "  * We created a **github organization called [IN3110](https://github.uio.no/IN3110)**.\n",
    "  * You should be added to this organization automatically if you are enrolled in IN3110 or IN4110.\n",
    "  * There, you find your **personal git repository IN3110-username** (same name for IN4110 students) where you need to upload the assignment solutions."
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   "source": [
    "## Software for this course\n",
    "\n",
    "* Git (see https://git-scm.com)\n",
    "* Bash\n",
    "* Python 3 \n",
    "* C (GCC)\n",
    "* Various Python packages\n",
    "    \n",
    "See the course website for installation instructions.\n",
    "\n",
    "Important: **For compatibility reasons, it is recommended to test your assignment solutions on an IFI machine**"
   ]
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   "source": [
    "## Asking questions\n",
    "\n",
    "- We have a Q&A repo set up for questions about the course and assignments: https://github.uio.no/IN3110/Q-A/issues\n",
    "- For private questions, contact your group teacher first, or you may email in3110@simula.no (we may repost anonymized answers on GitHub for other students' benefit if they are generally relevant)\n",
    "- We have a mattermost channel for informal chat between students: https://mattermost.uio.no/ifi-undervisning/channels/sin3110 \n"
   ]
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    "## Why has the course been organized like this?\n",
    "\n",
    "  * \"Problem solving\" is best learned by solving a large number of problems.\n",
    "  * With limited resources, this is the only way we can maintain the number of mandatory assignments.\n",
    "  * You learn from reading and inspecting each other's code.\n",
    "  * **Goal**: more flexible implementation, but which still allows a high volume of programming exercises.\n"
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    "## Things to do in the first week\n",
    "\n",
    "1. Get your private git repo as described before.\n",
    "2. Solve the [first assignment](https://www.uio.no/studier/emner/matnat/ifi/IN3110/h23/oppgaver.html) (will be posted Friday).\n",
    "3. If you want, join the group sessions from next week."
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