• 2022-06-19 问题

    求下列波动方程 Cauchy 问题的解:[br][/br][tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsteTgYKcO485vpVNkAgPUaZ19PeUucXr5pxanPWNBmKJuYjk7sHxeVe4rpYc9WTXuLi3RjtHQMhdnKrvcpPCrGZ12vI172EWQmhXY3oSjvhjh7vM983Necuno84bq/uQAcQqZjlfuSxdMg5KotWy5hg=[/tex]

    求下列波动方程 Cauchy 问题的解:[br][/br][tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsteTgYKcO485vpVNkAgPUaZ19PeUucXr5pxanPWNBmKJuYjk7sHxeVe4rpYc9WTXuLi3RjtHQMhdnKrvcpPCrGZ12vI172EWQmhXY3oSjvhjh7vM983Necuno84bq/uQAcQqZjlfuSxdMg5KotWy5hg=[/tex]

  • 2022-07-25 问题

    求星形线 [tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsvszz1BFziNKVYepn1Tc7Ie36/M/uX+smQ7hs5VjZrFdPvYcVYj4RVRC8ks7pwysFJeJ3ffIR1TkCDWWeLIZJz3o0iYaQCz/Oc0LjXQNcC3u[/tex]所围成的图形的面积;

    求星形线 [tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsvszz1BFziNKVYepn1Tc7Ie36/M/uX+smQ7hs5VjZrFdPvYcVYj4RVRC8ks7pwysFJeJ3ffIR1TkCDWWeLIZJz3o0iYaQCz/Oc0LjXQNcC3u[/tex]所围成的图形的面积;

  • 2022-07-25 问题

    求星形线[tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsvszz1BFziNKVYepn1Tc7Ie36/M/uX+smQ7hs5VjZrFdPvYcVYj4RVRC8ks7pwysFJeJ3ffIR1TkCDWWeLIZJz3o0iYaQCz/Oc0LjXQNcC3u[/tex]所围成图形的面积.[img=305x259]178a7bea80a17fd.png[/img]

    求星形线[tex=9.571x3.357]7EJHVCtO2IWq3KpdB+jQsvszz1BFziNKVYepn1Tc7Ie36/M/uX+smQ7hs5VjZrFdPvYcVYj4RVRC8ks7pwysFJeJ3ffIR1TkCDWWeLIZJz3o0iYaQCz/Oc0LjXQNcC3u[/tex]所围成图形的面积.[img=305x259]178a7bea80a17fd.png[/img]

  • 2022-05-30 问题

    讨论下列各函数在点[tex=2.429x1.0]sQ8UKBTHa4u9aJQTaFsBAg==[/tex]处的极限是否存在:[tex=9.571x3.357]0Oc6OdDyTxw5ASPscCgHyehmPi6FPbuBKNAGnwcZTbfjJv/Z+RYt8Q5LjDLiARTzFUD3rq1pADbjggrpOkAQeBhH6/j/WQXQEt0WzWJPxNw=[/tex]

    讨论下列各函数在点[tex=2.429x1.0]sQ8UKBTHa4u9aJQTaFsBAg==[/tex]处的极限是否存在:[tex=9.571x3.357]0Oc6OdDyTxw5ASPscCgHyehmPi6FPbuBKNAGnwcZTbfjJv/Z+RYt8Q5LjDLiARTzFUD3rq1pADbjggrpOkAQeBhH6/j/WQXQEt0WzWJPxNw=[/tex]

  • 2022-06-06 问题

    求下列参数方程所确定的函数的二阶导数:[tex=9.571x3.357]fnpmC2J6JmQBLyo5NmGAz7lBusUnUq5St/4jOt+MrTM6S2iFWlMxczERIo8ei8XYl1XhZq1sit9TfWmo/Z86j6bUtXqMqDeh0VTHeYw2bTAaEwLjuRyea1JA6+MQdwIe[/tex],求[tex=1.786x2.571]CvyIkmwiTv5AMf6X0zLqU1HRrU40bq4XIC6KnjNNlqXfsCMhKrWS8tBkXpEekCDl[/tex]

    求下列参数方程所确定的函数的二阶导数:[tex=9.571x3.357]fnpmC2J6JmQBLyo5NmGAz7lBusUnUq5St/4jOt+MrTM6S2iFWlMxczERIo8ei8XYl1XhZq1sit9TfWmo/Z86j6bUtXqMqDeh0VTHeYw2bTAaEwLjuRyea1JA6+MQdwIe[/tex],求[tex=1.786x2.571]CvyIkmwiTv5AMf6X0zLqU1HRrU40bq4XIC6KnjNNlqXfsCMhKrWS8tBkXpEekCDl[/tex]

  • 2022-06-19 问题

    图示压杆体系中,弹簧支座刚度为[img=64x44]180379b3117202b.png[/img],则该体系的临界荷载为kl的( )倍。[img=3924x1660]180379b32884d13.jpg[/img] A: 0.411 B: 1 C: 1.645 D: 3.357

    图示压杆体系中,弹簧支座刚度为[img=64x44]180379b3117202b.png[/img],则该体系的临界荷载为kl的( )倍。[img=3924x1660]180379b32884d13.jpg[/img] A: 0.411 B: 1 C: 1.645 D: 3.357

  • 2022-06-19 问题

    图示压杆体系中,弹簧支座刚度为[img=64x44]1802df48734317e.png[/img],则该体系的临界荷载为kl的( )倍。[img=3924x1660]1802df4888c0309.jpg[/img] A: 0.411 B: 1 C: 1.645 D: 3.357

    图示压杆体系中,弹簧支座刚度为[img=64x44]1802df48734317e.png[/img],则该体系的临界荷载为kl的( )倍。[img=3924x1660]1802df4888c0309.jpg[/img] A: 0.411 B: 1 C: 1.645 D: 3.357

  • 2022-06-06 问题

    设 [tex=1.857x1.214]drqhrkQv+rX/M+8NJCSetQ==[/tex] 的分布列分别为[tex=13.143x3.5]OOdTrLGt+hva56tTPivt0ztOvjExOIvjt02Y27vhnlgjah1sJEmUqpkz9Z1jkoXKX/H+RXD2+WZPsZaLB+evZxlm5wwwWnO0hBzWxJpuMm4+FVlDSvz079QWM6afXMS6WaqbE8jBqLdvoiYoto0wHsX4EA0hpqvCpZB4mGuR2uk=[/tex]  [tex=9.571x3.357]OOdTrLGt+hva56tTPivt0+n0bv5n7zVeDDKt+y96m7qI3AXdh7seUo9s5HypYpiRWZKlj/7mrXQoadJDnHu3egUjbYPTPsqePz/LwqvPV2TH7nHjuMJdfyXaaTlBt0Ga2RX87OKJ/PcyONxvBc7zKw==[/tex]且 [tex=5.929x1.357]61brPuNRlY/rD4G8rDW2ScmXkjg2kirOE0aFcwg0PzE=[/tex] 求 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合分布列.

    设 [tex=1.857x1.214]drqhrkQv+rX/M+8NJCSetQ==[/tex] 的分布列分别为[tex=13.143x3.5]OOdTrLGt+hva56tTPivt0ztOvjExOIvjt02Y27vhnlgjah1sJEmUqpkz9Z1jkoXKX/H+RXD2+WZPsZaLB+evZxlm5wwwWnO0hBzWxJpuMm4+FVlDSvz079QWM6afXMS6WaqbE8jBqLdvoiYoto0wHsX4EA0hpqvCpZB4mGuR2uk=[/tex]  [tex=9.571x3.357]OOdTrLGt+hva56tTPivt0+n0bv5n7zVeDDKt+y96m7qI3AXdh7seUo9s5HypYpiRWZKlj/7mrXQoadJDnHu3egUjbYPTPsqePz/LwqvPV2TH7nHjuMJdfyXaaTlBt0Ga2RX87OKJ/PcyONxvBc7zKw==[/tex]且 [tex=5.929x1.357]61brPuNRlY/rD4G8rDW2ScmXkjg2kirOE0aFcwg0PzE=[/tex] 求 [tex=2.643x1.357]DJUMdJyw8QoCXHzomLtAYg==[/tex] 的联合分布列.

  • 2022-06-29 问题

    下列函数中,在定义域内连续的是 未知类型:{'options': ['[tex=10.357x2.786]ACpG7W/lXiEwdW69ASBj8yz3JKPP/kaALPrOFjqtRmoxWlPWiBbHwJTikBQCu/dAu7XoONNXbMh0a2HKXp9+puyYgPb0Ff+jJowwa1YMtD4pzlGMBv4GAK17qySOrBC1[/tex]', '[tex=10.5x4.214]ACpG7W/lXiEwdW69ASBj89VuE0FUo5hY+ev/XmQQZBl5+xTnMkb1goBIXQbu+zt3JY2mip8N58o/Wfy8weO4z5MFQ55lLvPqNNC6oznYMRML0MdTJkwLl7+4W/mJWQdI3SMtX0IOJFrNCt4tmlHLLA==[/tex]', '[tex=10.571x2.786]ACpG7W/lXiEwdW69ASBj87BXbFfvagirDs4JDkgJ4E6Zx9N51St7jSmQZfpm9LcDhF88cGSnuk7vqoofjpzi7UkUa0EnXg0DUUAfvM23agCY7RCD/AFTy46vMr6za0YJ[/tex]', '[tex=9.571x3.357]ACpG7W/lXiEwdW69ASBj8ya2ziUpOkSgOLy4Ggz7czTHCT5C05BW+bT3RMvdNdgPppo5iZbbbpIE0e1W5noaSomeZxGcMgC8FErzfA200fpc/WqJ8maqw80ojVhXOIfZLFH3+ApLULbjLyPXgjLbNg==[/tex]'], 'type': 102}

    下列函数中,在定义域内连续的是 未知类型:{'options': ['[tex=10.357x2.786]ACpG7W/lXiEwdW69ASBj8yz3JKPP/kaALPrOFjqtRmoxWlPWiBbHwJTikBQCu/dAu7XoONNXbMh0a2HKXp9+puyYgPb0Ff+jJowwa1YMtD4pzlGMBv4GAK17qySOrBC1[/tex]', '[tex=10.5x4.214]ACpG7W/lXiEwdW69ASBj89VuE0FUo5hY+ev/XmQQZBl5+xTnMkb1goBIXQbu+zt3JY2mip8N58o/Wfy8weO4z5MFQ55lLvPqNNC6oznYMRML0MdTJkwLl7+4W/mJWQdI3SMtX0IOJFrNCt4tmlHLLA==[/tex]', '[tex=10.571x2.786]ACpG7W/lXiEwdW69ASBj87BXbFfvagirDs4JDkgJ4E6Zx9N51St7jSmQZfpm9LcDhF88cGSnuk7vqoofjpzi7UkUa0EnXg0DUUAfvM23agCY7RCD/AFTy46vMr6za0YJ[/tex]', '[tex=9.571x3.357]ACpG7W/lXiEwdW69ASBj8ya2ziUpOkSgOLy4Ggz7czTHCT5C05BW+bT3RMvdNdgPppo5iZbbbpIE0e1W5noaSomeZxGcMgC8FErzfA200fpc/WqJ8maqw80ojVhXOIfZLFH3+ApLULbjLyPXgjLbNg==[/tex]'], 'type': 102}

  • 2022-07-26 问题

    下列函数中,在定义域内连续的是 未知类型:{'options': ['[tex=10.357x2.786]ACpG7W/lXiEwdW69ASBj8yz3JKPP/kaALPrOFjqtRmoxWlPWiBbHwJTikBQCu/dAu7XoONNXbMh0a2HKXp9+puyYgPb0Ff+jJowwa1YMtD4pzlGMBv4GAK17qySOrBC1[/tex]', '[tex=10.5x4.214]ACpG7W/lXiEwdW69ASBj89VuE0FUo5hY+ev/XmQQZBl5+xTnMkb1goBIXQbu+zt3JY2mip8N58o/Wfy8weO4z5MFQ55lLvPqNNC6oznYMRML0MdTJkwLl7+4W/mJWQdI3SMtX0IOJFrNCt4tmlHLLA==[/tex]', '[tex=10.571x2.786]ACpG7W/lXiEwdW69ASBj87BXbFfvagirDs4JDkgJ4E6Zx9N51St7jSmQZfpm9LcDhF88cGSnuk7vqoofjpzi7UkUa0EnXg0DUUAfvM23agCY7RCD/AFTy46vMr6za0YJ[/tex]', '[tex=9.571x3.357]ACpG7W/lXiEwdW69ASBj8ya2ziUpOkSgOLy4Ggz7czTHCT5C05BW+bT3RMvdNdgPppo5iZbbbpIE0e1W5noaSomeZxGcMgC8FErzfA200fpc/WqJ8maqw80ojVhXOIfZLFH3+ApLULbjLyPXgjLbNg==[/tex]'], 'type': 102}

    下列函数中,在定义域内连续的是 未知类型:{'options': ['[tex=10.357x2.786]ACpG7W/lXiEwdW69ASBj8yz3JKPP/kaALPrOFjqtRmoxWlPWiBbHwJTikBQCu/dAu7XoONNXbMh0a2HKXp9+puyYgPb0Ff+jJowwa1YMtD4pzlGMBv4GAK17qySOrBC1[/tex]', '[tex=10.5x4.214]ACpG7W/lXiEwdW69ASBj89VuE0FUo5hY+ev/XmQQZBl5+xTnMkb1goBIXQbu+zt3JY2mip8N58o/Wfy8weO4z5MFQ55lLvPqNNC6oznYMRML0MdTJkwLl7+4W/mJWQdI3SMtX0IOJFrNCt4tmlHLLA==[/tex]', '[tex=10.571x2.786]ACpG7W/lXiEwdW69ASBj87BXbFfvagirDs4JDkgJ4E6Zx9N51St7jSmQZfpm9LcDhF88cGSnuk7vqoofjpzi7UkUa0EnXg0DUUAfvM23agCY7RCD/AFTy46vMr6za0YJ[/tex]', '[tex=9.571x3.357]ACpG7W/lXiEwdW69ASBj8ya2ziUpOkSgOLy4Ggz7czTHCT5C05BW+bT3RMvdNdgPppo5iZbbbpIE0e1W5noaSomeZxGcMgC8FErzfA200fpc/WqJ8maqw80ojVhXOIfZLFH3+ApLULbjLyPXgjLbNg==[/tex]'], 'type': 102}

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