• 文章摘要信息$$ u_t+uu_x=4x.\eqno{(1.2)}$$ The authors notice that the equation(1.2)is beyond the scope of investigations by Oleinik O.in[2].The solutions here are ...
  • 电子版-月儿的日志-网易博客$$\int_a^bf(x)g(x)dx=f(\xi)\int_a^bg(x)dx\eqno{(*)}$$...为此,对任意分割T:$a=x_0<x_1<x_2<.<x_n=b$记 $$\begin{array}{rl}I&\triangleq\int_a^bf(x)g(x)...
  • Stata 11 help for test[eqno][:coeflist][eqno1=eqno2[=.]][:coeflist]coeflist is coef[coef.][eqno]coef[[eqno]coef.[eqno]_b[coef][[eqno]_b[coef]....
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