Quiz — 4.-Dessiner-des-Graphes-avec-Matlab.pdf

Question 1 sur 10 20:00

[{"id":83172,"question":"Quelle commande MATLAB permet de tracer une courbe 2D à partir d'une fonction ?","option_a":"plot","option_b":"fplot","option_c":"mesh","option_d":"surf","option_e":"","option_f":"","bonne_reponse":"b","explication":"La commande \u003Cstrong\u003Efplot\u003C\/strong\u003E est spécialement conçue pour tracer des fonctions mathématiques en spécifiant directement l'expression de la fonction.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"plot\", \"b\": \"fplot\", \"c\": \"mesh\", \"d\": \"surf\"}}","_debug_options_count":4},{"id":83173,"question":"Pour ajouter une légende à un graphe MATLAB, on utilise la commande :","option_a":"legend","option_b":"title","option_c":"xlabel","option_d":"ylabel","option_e":"","option_f":"","bonne_reponse":"a","explication":"La commande \u003Cstrong\u003Elegend\u003C\/strong\u003E permet d'ajouter une légende aux courbes tracées, en associant chaque courbe à une description textuelle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"legend\", \"b\": \"title\", \"c\": \"xlabel\", \"d\": \"ylabel\"}}","_debug_options_count":4},{"id":83174,"question":"Vrai ou Faux : La commande 'plot' ne peut tracer que des courbes en 2D.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La commande \u003Cstrong\u003Eplot\u003C\/strong\u003E est principalement utilisée pour les graphiques 2D, mais MATLAB propose d'autres commandes comme \u003Cstrong\u003Emesh\u003C\/strong\u003E ou \u003Cstrong\u003Esurf\u003C\/strong\u003E pour les graphiques 3D.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":83175,"question":"Quelle commande permet de tracer une surface 3D à partir d'une matrice de valeurs ?","option_a":"plot3","option_b":"mesh","option_c":"fplot3","option_d":"scatter","option_e":"","option_f":"","bonne_reponse":"b","explication":"La commande \u003Cstrong\u003Emesh\u003C\/strong\u003E trace une surface 3D à partir d'une matrice de valeurs, en utilisant les indices de la matrice comme coordonnées x et y.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"plot3\", \"b\": \"mesh\", \"c\": \"fplot3\", \"d\": \"scatter\"}}","_debug_options_count":4},{"id":83176,"question":"Pour personnaliser la couleur d'une courbe dans MATLAB, on utilise l'argument :","option_a":"'color'","option_b":"'colour'","option_c":"'style'","option_d":"'line'","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'argument \u003Cstrong\u003E'color'\u003C\/strong\u003E permet de spécifier la couleur de la courbe, par exemple : plot(x, y, 'color', 'r') pour une courbe rouge.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"'color'\", \"b\": \"'colour'\", \"c\": \"'style'\", \"d\": \"'line'\"}}","_debug_options_count":4},{"id":83177,"question":"Vrai ou Faux : La commande 'hold on' permet de superposer plusieurs graphiques sur le même axe.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"\u003Cstrong\u003Ehold on\u003C\/strong\u003E permet de conserver les graphiques existants lors du traçage d'un nouveau graphique, facilitant ainsi la superposition de courbes.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":83178,"question":"Quelle commande MATLAB permet de tracer des points discrets dans un plan 2D ?","option_a":"plot","option_b":"scatter","option_c":"fplot","option_d":"histogram","option_e":"","option_f":"","bonne_reponse":"b","explication":"La commande \u003Cstrong\u003Escatter\u003C\/strong\u003E est utilisée pour tracer des points discrets dans un plan 2D, en spécifiant les coordonnées x et y de chaque point.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"plot\", \"b\": \"scatter\", \"c\": \"fplot\", \"d\": \"histogram\"}}","_debug_options_count":4},{"id":83179,"question":"Pour ajouter un titre à un graphe, on utilise la commande :","option_a":"legend","option_b":"title","option_c":"xlabel","option_d":"grid","option_e":"","option_f":"","bonne_reponse":"b","explication":"La commande \u003Cstrong\u003Etitle\u003C\/strong\u003E permet d'ajouter un titre au graphe, généralement placé en haut de la figure.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"legend\", \"b\": \"title\", \"c\": \"xlabel\", \"d\": \"grid\"}}","_debug_options_count":4},{"id":83180,"question":"Vrai ou Faux : La commande 'grid on' affiche une grille sur le graphe pour faciliter la lecture.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"\u003Cstrong\u003Egrid on\u003C\/strong\u003E active l'affichage d'une grille sur le graphe, ce qui améliore la lisibilité des données.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":83181,"question":"Quelle commande permet de tracer une courbe 3D à partir de trois vecteurs x, y et z ?","option_a":"plot","option_b":"plot3","option_c":"fplot3","option_d":"mesh","option_e":"","option_f":"","bonne_reponse":"b","explication":"La commande \u003Cstrong\u003Eplot3\u003C\/strong\u003E trace une courbe 3D en utilisant trois vecteurs x, y et z pour les coordonnées spatiales.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"plot\", \"b\": \"plot3\", \"c\": \"fplot3\", \"d\": \"mesh\"}}","_debug_options_count":4}]