用python生成5×5的矩阵 如何用python实现一个新矩阵，如矩阵u是一个5*4矩阵经...
\u7528python\u5982\u4f55\u4efb\u610f\u751f\u6210\u4e00\u4e2a\u79e9\u4e3a3\u76844\u00d76\u77e9\u9635\uff1fimport numpy as np
A1 = np.random.random((4, 3))
A2 = np.random.random((3, 6))
A = np.dot(A1, A2)
\u8fd9\u4e2a\u662fPython\u5b98\u65b9\u7684\u4e2d\u6587\u6559\u7a0b \u6709\u6700\u65b0\u76843.4.3\u7248\u672c\u7684 \u4e5f\u53ef\u4ee5\u9009\u62e9\u4e2d\u82f1\u5bf9\u7167 \u57fa\u672c\u7684\u4e1c\u897f\u90fd\u8bb2\u8ff0\u7684\u5dee\u4e0d\u591a\u4e86 \u5982\u679c\u60f3\u4e86\u89e3\u66f4\u591a\u5e93\u6216\u6a21\u5757 \u77e5\u4e4e\u4e0a\u5927\u795e\u5f88\u591a \u968f\u4fbf\u627e\u4e00\u627e\u90fd\u80fd\u627e\u5230\u5f88\u591a\u6709\u7528\u7684\u5efa\u8bae \u4f46\u662f\u5efa\u8bae\u4e0d\u8981\u521d\u671f\u5c31\u770b\u8fc7\u591a\u865a\u7684\u6bd4\u8f83\u548c\u4e92\u6495\u795e\u9a6c\u7684 \u5b98\u65b9\u7684IDLE\u7528\u597d\u4e86\u4e4b...
import numpy as npm=np.ones(5,5)
绛旓細import numpy as np m=np.ones(5,5)
绛旓細鍋囪鎴戜滑浣跨敤Python缂栫▼璇█锛屽苟浣跨敤numpy搴撶敓鎴愰殢鏈鐭╅樀锛歱ythonimport numpy as np 鐢熸垚5x5鐨勬爣鍑嗘鎬佸垎甯冮殢鏈虹煩闃 random_matrix = np.random.randn(5, 5)璁＄畻鎵鏈夊厓绱犲钩鍧囧 mean_all = np.mean(random_matrix)print(f"鎵鏈夊厓绱犲钩鍧囧: {mean_all}")璁＄畻鍚勮骞冲潎鍊 mean_row = np.mean(random...
绛旓細import numpy as npimport randombefore = np.array([[random.randint(10, 99) for i in range(5)] for j in range(5)])result = before.Tprint(result)
绛旓細v鍋囧浣犳帓鍒楃殑鏄釜鏁扮粍{1,2,3,4,5} 鍒楁暟鍋囧涔熸槸5 涔熷氨鏄5*5鐨勭煩闃 鐒跺悗璁5涓暟缁勯兘闅忔満鐢熸垚 鐒跺悗鎺掑簭 濡傛灉涓や釜涓磋繎鏁版嵁鐩稿悓鎴栫浉杩 杩欎袱涓暟鎹氨鏄尐鐫鐨勫ソ鍍忚繖鏍凤細0锛歿1,2,3,4,5} 1锛歿2,3,4,5,1} 2锛歿2,3,5,1,4} 3锛歿2,3,5,1,4} 4锛歿2,3,5,4,1} 閭ｄ箞鐢熸垚瀹...
绛旓細python瀹炵幇鐭╅樀涔樻硶鐨勬柟娉 鏈枃瀹炰緥璁茶堪浜唒ython瀹炵幇鐭╅樀涔樻硶鐨勬柟娉曘傚垎浜粰澶у渚涘ぇ瀹跺弬鑰冦傚叿浣撳疄鐜版柟娉曞涓嬶細def matrixMul(A, B):res = [[0] * len(B[0]) for i in range(len(A))]for i in range(len(A)):for j in range(len(B[0])):for k in range(len(B)):res[i][j] ...
绛旓細1. NumPy搴撶畝浠 NumPy鏄Python涓鐢ㄤ簬鏁板艰绠楃殑搴擄紝瀹冩彁渚涗簡澶氱淮鏁扮粍瀵硅薄浠ュ強涓绯诲垪鎿嶄綔杩欎簺鏁扮粍鐨勫嚱鏁般傚湪瑙ｅ喅鐭╅樀闂鏃讹紝NumPy鐨刴atrix绫绘槸涓涓噸瑕佺殑宸ュ叿銆2. 鍒涘缓鍜屾搷浣滅煩闃 浣跨敤NumPy鐨刴atrix绫伙紝鍙互杞绘澗鍒涘缓鐭╅樀銆備緥濡傦紝閫氳繃浠ヤ笅浠ｇ爜鍙互鍒涘缓涓涓3x3鐨勭煩闃锛python import numpy as np mat = np....
绛旓細浣跨敤numpy鍒涘缓鐭╅樀鏈2绉嶆柟娉曪紝涓绉嶆槸浣跨敤numpy搴撶殑matrix鐩存帴鍒涘缓锛屽彟涓绉嶅垯鏄娇鐢╝rray鏉ュ垱寤恒傞鍏堝姞杞絥umpy搴擄紝鐒跺悗鍒嗗埆鐢ㄤ笂闈㈣鐨2绉嶆柟娉曟潵鍒嗗埆鏋勫缓涓涓4脳3鐨勭煩闃锛屽鍥 璇风偣鍑昏緭鍏ュ浘鐗囨弿杩 2 鐭╅樀鍒涘缓濂戒簡锛屽ぇ瀹剁湅鍒颁簡2涓煩闃甸暱寰楀樊涓嶅锛屾槸鍚︾浉绛夊憿锛熸垜浠敤==锛python涓鐢==琛ㄧず绛変簬锛夋潵璇曡瘯...
绛旓細a = [[1,2], [3,4], [5,6], [7,8]]b = [[1,2,3,4], [5,6,7,8]]print matrixMul(a,b)print matrixMul(b,a)涔樼Н褰㈠紡 闄や簡涓婅堪鐨勭煩闃涔樻硶浠ュ锛岃繕鏈夊叾浠栦竴浜涚壒娈婄殑鈥滀箻绉濆舰寮忚瀹氫箟鍦ㄧ煩闃典笂锛屽煎緱娉ㄦ剰鐨勬槸锛屽綋鎻愬強鈥滅煩闃电浉涔樷濇垨鑰呪滅煩闃典箻娉曗濈殑鏃跺欙紝骞朵笉鏄寚浠ｈ繖浜涚壒娈婄殑...
绛旓細1銆浣跨敤python琛ㄧず鐭╅樀鐨勬柟娉曪細浣跨敤鈥渋mportnumpy鈥濊鍙ュ鍏umpy鍖呫2銆佷笅闈㈡槸鍩轰簬python4鐨勬暟缁勭煩闃佃緭鍏ユ柟娉曪細importnumpyasnparr=[1锛2锛3锛4锛5锛6锛7锛8锛9]matrix_a=np.array(arr)鎵嬪姩瀹氫箟涓涓┖鏁扮粍锛歛rr=[]锛岄摼琛ㄦ暟缁勶細a=[1锛2锛孾1锛2锛3]]銆3銆乤[4]=a[4]锛宎[1]#灏嗙2琛屽拰...
绛旓細浜岀淮鐨刲ist锛屾瘮濡俛=[[1,2,3],[4,5,6],[7,8,9]]
