• 2022-06-14
    求下列微分方程满足所给初始条件的特解:[tex=5.714x3.357]7EJHVCtO2IWq3KpdB+jQspfRXXtyvxCaiEmX8qMrsq4EJe27B/C5NZhzhLFbX91jqWf0ZwpWXFjNDFLjzMifYbBCwIh5u7vtBbhFUW66sqUNPX19kghJyREssVqU14LV[/tex]
  • 原方程变为[tex=4.929x2.357]ohBl146uR3Cr+jaEwABkC+SiK04r7SjFEJyh84ockO9iC7bPpj5FGccpthX0Pc7A[/tex].[tex=8.143x2.357]JdgkhDtV9ZEBNWBbzcg1kXlply3kvCAVBHN8fqEyvxT/7TombqZmIi3BmWZu/BDn[/tex], 于是所求通解为[tex=25.214x3.071]qeiYnKXLEhyhuGRg8yLtr+pWIgbnHHYJ/BmBEmlES85Nu/mSUUrgOFhi7FbUOwlY2ajj3+1OaBhKnbWqkmLUL8Mf8ds562QXdESryD/aXkwVC6iJm/0cdKlLH7JKffxsLZrDk+FQfHRCF9M3OE/nd84OjkmxKYL1t0DqWCURHeX5WJrV715PFLm1PGWcSeX3QXDU/RnYy9bArxuSvJhEVqWOK//e/au16pCsGgcwQCb82WW7L2Q184MWhZfGBaYyeNJpvXjeuEboVjB0Xs+JedFNcC8mI56d42Ryz7TsEaxipybrhCM7CtATac/xUoM4CuU7F1mG512sHmrsFpq66jKWldXSLv9GYiHcQhyvXlU=[/tex][tex=13.429x2.786]m18V1TBGDFAOVSSNBu4PII5MVBpmiN7GGUnRlErlYMQ6AYSji6j1edbMAp2AF3CBm0KKW5it/pkw2RlqNmQmLFrZozbbYBMzL08CRCTFTTs=[/tex]把初始条件代入,得[tex=3.071x1.143]sEwxHsfph5VLlbiM2mEZsQ==[/tex]故方程对应的特解为 [tex=9.071x2.357]qUf7wV1N2/zGkXK8/i0hM4fSGCqUC0dpxa9TYJT50vRvhzb1YUn6Akzjn8Tmb650[/tex]

    内容

    • 0

      求微分方程满足所给初始条件的特解:[tex=4.429x1.286]O8kKbEsQdRBrUjbvHEmhEV+jnk4zUVZ9wk4egZthBeo=[/tex],[tex=4.143x1.286]HcVZp5W0l7gxqJgKxGmkqJqVSIDLHW/sQLkos+AMCKg=[/tex].

    • 1

      求下列微分方程满足初始条件的特解:[tex=6.214x1.5]zt78c5rgwiVqLtMul/w4TOlnejt+kf3kxlUQ++ibuRXLHWp1GN37JKs77iA4Kpds[/tex]

    • 2

      >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']

    • 3

      求微分方程满足所给初值条件的特解。[tex=5.286x2.0]qMc1UsRMo97PBl99w4H0RVbKMQCkz8rxOq40NSBVbjykokFFhm6Cbg96mt4+Podd[/tex],[tex=4.143x1.286]HcVZp5W0l7gxqJgKxGmkqA43RGC9+DfXNJEzqk2U/RA=[/tex]。

    • 4

      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]