python-pour-finance/02-NumPy/.ipynb_checkpoints/Numpy Exercises-checkpoint....

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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Exercices NumPy\n",
"Maintenant que nous avons découvert NumPy, testons vos connaissances. Nous commencerons par quelques tâches simples, puis des questions plus complexes.\n",
"\n",
"** REMARQUE IMPORTANTE : Veillez à ne pas exécuter les cellules directement au-dessus de la sortie de résultat attendu, sinon vous risquez de finir par écrire par dessus ! **"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Import NumPy as np"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau de 10 zéros "
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.])"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau de 10 uns"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.])"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau de 10 cinq"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 5., 5., 5., 5., 5., 5., 5., 5., 5., 5.])"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau d'entiers de 10 à 50"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,\n",
" 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,\n",
" 44, 45, 46, 47, 48, 49, 50])"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau de tous les entiers pairs entre 10 et 50"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42,\n",
" 44, 46, 48, 50])"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer une matrice 3x3 avec les valeurs de 0 à 8"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[0, 1, 2],\n",
" [3, 4, 5],\n",
" [6, 7, 8]])"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer une matrice identité 3x3"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[ 1., 0., 0.],\n",
" [ 0., 1., 0.],\n",
" [ 0., 0., 1.]])"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Utiliser NumPy pour générer un nombre aléatoire entre 0 et 1"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 0.42829726])"
]
},
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Utiliser NumPy pour générer un tableau de 25 nombres aléatoires échantillonnés à partir d'une distribution normale standard"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 33,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 1.32031013, 1.6798602 , -0.42985892, -1.53116655, 0.85753232,\n",
" 0.87339938, 0.35668636, -1.47491157, 0.15349697, 0.99530727,\n",
" -0.94865451, -1.69174783, 1.57525349, -0.70615234, 0.10991879,\n",
" -0.49478947, 1.08279872, 0.76488333, -2.3039931 , 0.35401124,\n",
" -0.45454399, -0.64754649, -0.29391671, 0.02339861, 0.38272124])"
]
},
"execution_count": 33,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer la matrice suivante:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 35,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[ 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1 ],\n",
" [ 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.2 ],\n",
" [ 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.3 ],\n",
" [ 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.4 ],\n",
" [ 0.41, 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.5 ],\n",
" [ 0.51, 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59, 0.6 ],\n",
" [ 0.61, 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68, 0.69, 0.7 ],\n",
" [ 0.71, 0.72, 0.73, 0.74, 0.75, 0.76, 0.77, 0.78, 0.79, 0.8 ],\n",
" [ 0.81, 0.82, 0.83, 0.84, 0.85, 0.86, 0.87, 0.88, 0.89, 0.9 ],\n",
" [ 0.91, 0.92, 0.93, 0.94, 0.95, 0.96, 0.97, 0.98, 0.99, 1. ]])"
]
},
"execution_count": 35,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Créer un tableau de 20 points espacés linéairement entre 0 et 1:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 36,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 0. , 0.05263158, 0.10526316, 0.15789474, 0.21052632,\n",
" 0.26315789, 0.31578947, 0.36842105, 0.42105263, 0.47368421,\n",
" 0.52631579, 0.57894737, 0.63157895, 0.68421053, 0.73684211,\n",
" 0.78947368, 0.84210526, 0.89473684, 0.94736842, 1. ])"
]
},
"execution_count": 36,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Indexation et sélection Numpy\n",
"\n",
"Maintenant vous trouverez quelques matrices, il faut les reproduire:"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[ 1, 2, 3, 4, 5],\n",
" [ 6, 7, 8, 9, 10],\n",
" [11, 12, 13, 14, 15],\n",
" [16, 17, 18, 19, 20],\n",
" [21, 22, 23, 24, 25]])"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# VOICI LA MATRICE MAT\n",
"# A UTILISER POUR LES PROCHAINES TACHES\n",
"import numpy as np\n",
"mat = np.arange(1,26).reshape(5,5)\n",
"mat"
]
},
{
"cell_type": "code",
"execution_count": 39,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# ECRIRE LE CODE ICI QUI REPRODUIT LA SORTIE CI-DESSOUS\n",
"# ATTENTION A NE PAS EXECUTER LA CELLULE CI-DESSOUS, SINON VOUS NE\n",
"# POURREZ PLUS VOIR LA SORTIE ATTENDUE"
]
},
{
"cell_type": "code",
"execution_count": 40,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[12, 13, 14, 15],\n",
" [17, 18, 19, 20],\n",
" [22, 23, 24, 25]])"
]
},
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "code",
"execution_count": 29,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# ECRIRE LE CODE ICI QUI REPRODUIT LA SORTIE CI-DESSOUS\n",
"# ATTENTION A NE PAS EXECUTER LA CELLULE CI-DESSOUS, SINON VOUS NE\n",
"# POURREZ PLUS VOIR LA SORTIE ATTENDUE"
]
},
{
"cell_type": "code",
"execution_count": 41,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"20"
]
},
"execution_count": 41,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "code",
"execution_count": 30,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# ECRIRE LE CODE ICI QUI REPRODUIT LA SORTIE CI-DESSOUS\n",
"# ATTENTION A NE PAS EXECUTER LA CELLULE CI-DESSOUS, SINON VOUS NE\n",
"# POURREZ PLUS VOIR LA SORTIE ATTENDUE"
]
},
{
"cell_type": "code",
"execution_count": 42,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[ 2],\n",
" [ 7],\n",
" [12]])"
]
},
"execution_count": 42,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "code",
"execution_count": 31,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# ECRIRE LE CODE ICI QUI REPRODUIT LA SORTIE CI-DESSOUS\n",
"# ATTENTION A NE PAS EXECUTER LA CELLULE CI-DESSOUS, SINON VOUS NE\n",
"# POURREZ PLUS VOIR LA SORTIE ATTENDUE"
]
},
{
"cell_type": "code",
"execution_count": 46,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([21, 22, 23, 24, 25])"
]
},
"execution_count": 46,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "code",
"execution_count": 32,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# ECRIRE LE CODE ICI QUI REPRODUIT LA SORTIE CI-DESSOUS\n",
"# ATTENTION A NE PAS EXECUTER LA CELLULE CI-DESSOUS, SINON VOUS NE\n",
"# POURREZ PLUS VOIR LA SORTIE ATTENDUE"
]
},
{
"cell_type": "code",
"execution_count": 49,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[16, 17, 18, 19, 20],\n",
" [21, 22, 23, 24, 25]])"
]
},
"execution_count": 49,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Faire les tâches suivantes"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Obtenir la somme de toutes les valeurs de la matrice mat"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 50,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"325"
]
},
"execution_count": 50,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Obtenir l'écart-type des valeurs de la matrice mat"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 51,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"7.2111025509279782"
]
},
"execution_count": 51,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Obtenir la somme de toutes les colonnes de la matrice mat"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [],
"source": [
"# CODE ICI"
]
},
{
"cell_type": "code",
"execution_count": 53,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([55, 60, 65, 70, 75])"
]
},
"execution_count": 53,
"metadata": {},
"output_type": "execute_result"
}
],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Question Bonus\n",
"\n",
"Nous avons beaucoup travaillé avec des données aléatoires avec numpy, mais y a-t-il un moyen de nous assurer que nous obtenons toujours les mêmes nombres aléatoires ? [Cliquez ici pour un indice](https://www.google.fr/search?q=numpy+random+seed&rlz=1C1CHBF_enUS747US747&oq=numpy+random+seed&aqs=chrome..69i57j69i60j0l4.2087j0j7&sourceid=chrome&ie=UTF-8)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"# Bon travail!"
]
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
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},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
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