From e05bcf9290efdc03a6a9b85a0f3aeac38fb5a042 Mon Sep 17 00:00:00 2001
From: Michele Nottoli <michele.nottoli@gmail.com>
Date: Thu, 5 Oct 2023 13:33:16 +0200
Subject: [PATCH] Updated README.
---
1_Basics.ipynb | 100 +++++++++++++++++++++++++++++++++++++++++++++++--
README.md | 2 +-
2 files changed, 98 insertions(+), 4 deletions(-)
diff --git a/1_Basics.ipynb b/1_Basics.ipynb
index 22fc794..7f816ce 100644
--- a/1_Basics.ipynb
+++ b/1_Basics.ipynb
@@ -596,18 +596,112 @@
"Use this formula to compute an estimate of π. It should use a while loop ot compute terms of the summation untile the last term is smaller than 1e-15. Afterwards, you can check the result by comparing it to π (to get π in Julia, write \\pi and then press TAB)."
]
},
+ {
+ "cell_type": "markdown",
+ "id": "d4a870c3-7679-4775-94ce-4e7266a2bebe",
+ "metadata": {},
+ "source": [
+ "## Functions"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "682a3feb-0b82-479d-9803-3011a1e6e521",
+ "metadata": {},
+ "source": [
+ "We have already seen one example of a function call:"
+ ]
+ },
{
"cell_type": "code",
"execution_count": null,
- "id": "cd1a716d-ddaf-4167-a83f-129dc3163ea1",
+ "id": "addaa346-7a88-4c18-9f1e-295665959a9d",
"metadata": {},
"outputs": [],
- "source": []
+ "source": [
+ "println(\"Hello, World!\")"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "3434842c-2af0-4f6a-a70b-a59fb8fcc4af",
+ "metadata": {},
+ "source": [
+ "The name of the function is println. The expression in parentheses is called the argument of the function.\n",
+ "It is common to say that a function “takes” an argument and “returns” a result. The result is also called the return value."
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "f63d270a-7149-4ffd-bc31-f746560a37ac",
+ "metadata": {},
+ "source": [
+ "Julia provides functions that convert values from one type to another. The parse function takes a string and converts it to any number type, if it can, or complains otherwise:"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "1f05465a-4863-4205-9c73-26f0e93f049b",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "parse(Int64, \"32\")"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "e6ac9994-9cbb-4004-889d-a657b8396063",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "parse(Int64, \"Hello\")"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "793c9620-7b6e-443c-8765-8136fbfcb071",
+ "metadata": {},
+ "source": [
+ "Julia provides several mathematical functions.\n",
+ " - abs(x): Absolute value of x.\n",
+ " - sqrt(x): Square root of x.\n",
+ " - cbrt(x): Cube root of x.\n",
+ " - exp(x): Exponential function e^x.\n",
+ " - log(x): Natural logarithm of x.\n",
+ " - log10(x): Base 10 logarithm of x.\n",
+ " - log2(x): Base 2 logarithm of x.\n",
+ " - sin(x): Sine of x (in radians).\n",
+ " - cos(x): Cosine of x (in radians).\n",
+ " - tan(x): Tangent of x (in radians).\n",
+ " - asin(x): Arcsine of x (result in radians).\n",
+ " - acos(x): Arccosine of x (result in radians).\n",
+ " - atan(x): Arctangent of x (result in radians).\n",
+ " - sinh(x): Hyperbolic sine of x.\n",
+ " - cosh(x): Hyperbolic cosine of x.\n",
+ " - tanh(x): Hyperbolic tangent of x.\n",
+ " - asinh(x): Inverse hyperbolic sine of x.\n",
+ " - acosh(x): Inverse hyperbolic cosine of x.\n",
+ " - atanh(x): Inverse hyperbolic tangent of x.\n",
+ " - floor(x): Largest integer not greater than x.\n",
+ " - ceil(x): Smallest integer not less than x.\n",
+ " - round(x): Nearest integer to x.\n",
+ " - trunc(x): Integer part of x."
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "d048851b-8eac-4dc3-81b7-ea1d625a1db2",
+ "metadata": {},
+ "source": [
+ "So far, we have only been using the functions that come with Julia, but it is also possible to add new functions. A function definition specifies the name of a new function and the sequence of statements that run when the function is called. Here is an example:"
+ ]
},
{
"cell_type": "code",
"execution_count": null,
- "id": "4ff56e28-969e-4a2d-b33c-21b4a4ecc4de",
+ "id": "fd2f4828-47f5-4df4-b5bd-a42625487b5a",
"metadata": {},
"outputs": [],
"source": []
diff --git a/README.md b/README.md
index 59ab630..4415f68 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
Material for the Julia seminar course.
The course material is adapted from two sources:
- the [course](https://github.com/mfherbst/2022-rwth-julia-workshop.git) from Michael Herbst ([MIT license](https://opensource.org/license/mit/)).
- - the book [ThinkJulia](https://benlauwens.github.io/ThinkJulia.jl/latest/book.html) from Ben Lauwens ([Creative Commons Attribution-NonCommercial 3.0 Unported license](https://creativecommons.org/licenses/by-nc/3.0/deed.en)).
+ - the book [ThinkJulia](https://benlauwens.github.io/ThinkJulia.jl/latest/book.html) from Allen Downey and Ben Lauwens ([Creative Commons Attribution-NonCommercial 3.0 Unported license](https://creativecommons.org/licenses/by-nc/3.0/deed.en)).
## Software and material
What you need for the workshop (quick overview):
--
GitLab