{"id":3085,"date":"2026-03-03T08:22:19","date_gmt":"2026-03-03T07:22:19","guid":{"rendered":"https:\/\/labodemaths.fr\/WordPress3\/?p=3085"},"modified":"2026-03-05T17:03:16","modified_gmt":"2026-03-05T16:03:16","slug":"nsi-liste-de-liste-grilles-et-dessin","status":"publish","type":"post","link":"https:\/\/labodemaths.fr\/WordPress3\/nsi-liste-de-liste-grilles-et-dessin\/","title":{"rendered":"NSI, liste de liste, grilles et dessin"},"content":{"rendered":"\n

On consid\u00e8re le code python suivant<\/p>\n\n\n\n

data = [\n    [0,0,0,0,0,1,1,1,1,0],\n    [0,0,0,0,0,1,0,0,1,0],\n    [0,0,1,0,1,0,1,1,0,0],\n    [0,0,1,0,0,1,1,0,1,0],\n    [0,0,1,0,1,0,0,1,1,0],\n    [1,0,0,1,0,1,0,0,1,0],\n    [0,1,0,0,0,1,1,1,1,1],\n    [0,1,0,0,0,0,1,1,1,1],\n    [1,0,0,0,1,1,1,0,1,0],\n    [1,1,1,1,0,0,0,1,1,0]\n]\n\nimport matplotlib.pyplot as plt\n\nplt.imshow(data)\nplt.show()\n<\/code><\/pre>\n\n\n\n
Exercice 1 :<\/p>\n\n\n\n
Ecrire une fonction croix permettant d’obtenir les r\u00e9sultats suivants<\/p>\n\n\n\n
>>>croix(9)<\/p>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n
>>>croix(5)<\/code><\/pre>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n
proposition de correction<\/p>\n\n\n\n
import matplotlib.pyplot as plt\r\n\r\ndef croix(n):\r\n    assert n%2==1,\"n doit etre impair\"\r\n    data=[[0 for i in range(n)] for j in range(n)]\r\n    for i in range(n):\r\n        data[i][n\/\/2]=1\r\n        data[n\/\/2][i]=1\r\n    plt.imshow(data)\r\n    plt.show()\r\n    \r\ndef diagonales(n): \r\n    data=[[0 for i in range(n)] for j in range(n)]\r\n    for i in range(n):\r\n        data[i][i]=1\r\n        data[i][n-1-i]=1\r\n    plt.imshow(data)\r\n    plt.show()\r\n    \r\ndef bords(n):\r\n    data=[[0 for i in range(n)] for j in range(n)]\r\n    for i in range(n):\r\n        data[0][i]=1\r\n        data[n-1][i]=1\r\n        data[i][0]=1\r\n        data[i][n-1]=1\r\n    plt.imshow(data)\r\n    plt.show()\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
On consid\u00e8re le code python suivant Exercice 1 : Ecrire une fonction croix permettant d’obtenir…<\/p>\n
Read the postNSI, liste de liste, grilles et dessin<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[57],"tags":[],"_links":{"self":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/3085"}],"collection":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/comments?post=3085"}],"version-history":[{"count":3,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/3085\/revisions"}],"predecessor-version":[{"id":3091,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/3085\/revisions\/3091"}],"wp:attachment":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/media?parent=3085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/categories?post=3085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/tags?post=3085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}