• 2022-06-19
    解矩阵方程[tex=5.643x1.143]qTT9ohZSoF+wT3IvQFgnLDFjgQGe/T/o4ggD+rs5Qdo+/STquZNGaceWH4qjKnRohhjG7SWDg+R6Jjcdk9Ii8g==[/tex],其中[tex=17.286x3.643]YHIKtHtTy6YeetIBukGWJ/+4CPibC+H1hzFh9VOwgL0Jid2Bm1Ii3faktctwJ6/dtJ2FOErl7EBi304g2s5XH3+qfcP5Amuf2yUsIYGxZMPJ5rE0rIzpj+6xeeVsiFUHnjDJZXRh3ddXXd97jCMpEi2CucYeU1/PjW8W8jVyiOh5Sgv3k3lLIKOGPvpjQNrouuNQi/4FcMCAeGAOkZIVo6mrbdmmvbLWjkB/bGY7RmmSyyYLeMk07BG9GoU/xSeg[/tex].
  • 因为[tex=12.714x1.357]qTT9ohZSoF+wT3IvQFgnLDFjgQGe/T/o4ggD+rs5Qdo+/STquZNGaceWH4qjKnRopJbAE0M5/eAkkDI/5yDs8cdPsAXdCzhLW9hTqNJHdtfCkaJlzhMd2v9u6awzMYFMgrxwW7Kv92AklRV1JjF0Gy02mUYm2SO+sN0xIxtqyCI=[/tex],所以[tex=7.571x1.5]yV23UZcNnhAM0i1TcAul2wz8CJ8N0mxZyd+IzHjdJYty4/BFyrrFwfMcrgRo8cNn72KPmeJgbML/21yAsm7pNX7y0qnhA5bWuAR6ySwVf/4=[/tex].因为[tex=11.214x3.929]Z4/x8ru9Wki+Hy+4E1rdz9B+apkQIHccEOACaPf5wXwZ9u0gK0+x965YzhXZu+Xu33E0HShc2p67rcNU6Fg+DNxbPr3POhLzvbp6ht5gIdGVfQ19wY/cv3Env5YuCGxRbQSiDjTUSGlw1HQJHi+0YQJiB/hYzLpVnGURLCHs5Go=[/tex],有[tex=14.786x3.929]Pf7bwNvA+koSkuLyqm2voq6uFkDJJ69EaB3GcWfbwMRr88WaKuyzwzEmjGG4JGFz+wMahhZqwmVtaJfxeio+3UpMrXiGrfFwL2JvVGPA/erVKmZssC22Krk1x7I0Rlyn05XJlsOoz+g4Skn/89t9AYax3NoUxy/Md1crq/NuOh4=[/tex],所以[tex=14.5x3.643]AKn5NDEZp37/CvH4KS3IsEqWCL2ZuBfnAm+FPAEPbfH7cLyfdD823GBj8aiNGuMudEvf9PdhStGmYMYf98Nlzou+Zx5aGveoRLNy3rge3xkphT4l3riv7LiSLEvoEPvk1N7dJ96oUtkHgd7KAT5l6huDNDygh43axeYmWDO0Gz4rv7Yh8UsRl1MVjd3edcsI[/tex],则[tex=7.571x1.5]yV23UZcNnhAM0i1TcAul2wz8CJ8N0mxZyd+IzHjdJYty4/BFyrrFwfMcrgRo8cNn72KPmeJgbML/21yAsm7pNX7y0qnhA5bWuAR6ySwVf/4=[/tex][tex=22.286x3.643]M9SHJhcTU+BPvxCCOP1us0Cww4/0LBscVR00TTsaNrmMmWvYwfGj67jLT5/GORzxNPipJE8DfPAK38JztZIZPfMVM4lVh6eDbAgcxWC1JQG5x8VmVogBmdR8oeb8J0T/6pMsXNabgnNvqjOYyKUslTFs8tDODxsuQRLnqSulnP6Larikf5lWFxExZsP02GMAXpQwq0Zgb5mABiHHCyT1IG6XHvvUAdkkyxiPcvyCFKe1L2huLAklXmJJ4AUALfcrQ+LNssBL6+6u4aP3sUfNWeogg/Vd2Yx2E5+5QPd5lY31mnYO1vfe8381R6zZyys8[/tex].

    举一反三

    内容

    • 0

      set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}

    • 1

      输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9

    • 2

      已知a=[1 2 3; 4 5 6; 7 8 9],执行命令:a([3,1],:)=a([1,3],:),a将变为( )。 A: [4 5 6;4 5 6;4 5 6] B: [7 8 9;4 5 6;1 2 3] C: [2 2 2;5 5 5;8 8 8] D: [3 2 1;6 5 4;9 8 7]

    • 3

      解矩阵方程[tex=5.643x1.143]qTT9ohZSoF+wT3IvQFgnLDFjgQGe/T/o4ggD+rs5Qdo+/STquZNGaceWH4qjKnRohhjG7SWDg+R6Jjcdk9Ii8g==[/tex],其中[tex=17.286x3.643]YHIKtHtTy6YeetIBukGWJ/+4CPibC+H1hzFh9VOwgL0Jid2Bm1Ii3faktctwJ6/dtJ2FOErl7EBi304g2s5XH3+qfcP5Amuf2yUsIYGxZMPJ5rE0rIzpj+6xeeVsiFUHnjDJZXRh3ddXXd97jCMpEi2CucYeU1/PjW8W8jVyiOh5Sgv3k3lLIKOGPvpjQNrouuNQi/4FcMCAeGAOkZIVo6mrbdmmvbLWjkB/bGY7RmmSyyYLeMk07BG9GoU/xSeg[/tex].

    • 4

      编写程序,输出下列的数字图形。 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 1 2 3 1 2 1