为什么[tex=8.714x1.357]d7X/f3JV0vdeE0wpElNnZCsAFW64RZmStv/uj+DUlzU=[/tex]一般还不能成为定解问题的解,而从级数2uh(x,t)就能得出定解问题的解?
举一反三
- 先求出半无界区域上波动方程的定解问题[tex=16.286x5.5]fnpmC2J6JmQBLyo5NmGAzz1EEFvh0W+KMVB3PRTO6PCE68CPHabueHXn53RXfqgSv6yqnPmHws7mdx/v1wD39H8TNSf4IS7/FerIbYVvvrjqRE86XgwXknsfdFBaIMo3BTKCZFTfeuS9s0zFtrDiOryNUqUhkPR5UsfiBNy72F5LOc44IDeCjAaZa4kGfp5jGGdk7GyJ3xjFTSqjBqP0Lg==[/tex]的解u(x,t)，然后证明对任意c>0，极限[tex=5.929x1.857]MhC0sa4kP8ihnFHLNuEHS25qEA5Cb518i4FFAO8pXj9KLX20w+hXVQBY8P+o6ph/[/tex]存在，并且求出该极限.
- {{*HTML*}}已知不等式x2一ax+b＜0的解是x∈(一1，2)，则不等式x2+bx+a＞0的解集是( )． A: x≠1 B: x≠2 C: x≠3 D: x∈R E: x∈(1，3)
- 求下列定解问题的解：[tex=24.0x3.5]fnpmC2J6JmQBLyo5NmGAz8187g8oz4xFSYH9aJcCY2VS0KqLp7zxAUHvZ3Ge6BD84q8ddQyBeuk+hmbdIUoFqY6qdFSR3VoWz34iY1j6cV0G9foYLkSxqUq2Gg5wugyJJVxKvsjaH67nUgenOeJj7etfWiMbKl7IkgOKM/nH3g1K08c8J1y/OitM207fbzLhvrd87EEWb2EwA8eLrFUA7ForquKisE35QU/ubHHaT9C1LBUDy2Qnsnkz1N507JT5EEGFk85brDvwajrSbuEQbA==[/tex]
- 求下列定解问题的解：[tex=27.143x5.214]fnpmC2J6JmQBLyo5NmGAz+76T2I8QMVR78YL0c5HwWMwa+PHGsEVCOgoI/sqK1gxptSPkHLx/FAesvrVw8SUmkKSE1BVGLIqTpfE8NLRGL3ldsoWxBhw+a4WkFJzZlPL+xX3RFW777xSNOBIzHgNdclEwBhd1eTiToTs5Nt+mGia+x0UvB9fjBmsw0GhBC01h7cGyqE9bscbSXaHOiGPnlBeF2qlxIbIsYEUjMe7LJ8BRIDU9esox5On9J4AIRDH7E80i9Li2qe7O1w3tCjva16ir7TRBqNp3NwiwtL8dPYAR6GCzoMkqWZRaEpMwP9IO2BgoxFvk8cC/Qx977jsKQ==[/tex]
- 求下列定解问题的解：[tex=24.0x3.5]fnpmC2J6JmQBLyo5NmGAz8187g8oz4xFSYH9aJcCY2VS0KqLp7zxAUHvZ3Ge6BD84q8ddQyBeuk+hmbdIUoFqY6qdFSR3VoWz34iY1j6cV0G9foYLkSxqUq2Gg5wugyJJVxKvsjaH67nUgenOeJj7etfWiMbKl7IkgOKM/nH3g1K08c8J1y/OitM207fbzLhvrd87EEWb2EwA8eLrFUA7ForquKisE35QU/ubHHaT9C1LBUDy2Qnsnkz1N507JT5EEGFk85brDvwajrSbuEQbA==[/tex]