• 2022-05-29
    写出偏微分方程的本征值问题[tex=9.929x1.5]dYmsxAX9Sc4KzjJBo2uI9NGP5rW1VlW3C6Npq6j12KSnK6Dt8se9s7CFo/jpAF0U[/tex](20.48)[tex=4.071x1.357]qHG90g0JciBzNe/iURMSIuOLhhvGOuNxvzaNnVbvOA45Ep7NvSlDtM0flLhJTTxs[/tex](20.48b)的变分形式.