APPROXIMATION BY THE SOLUTIONS OF THE HEAT-EQUATION

[摘要] Solutions of the heat equations {u(xx)(x, t) = u(t)(x, t) on (- infinity, infinity) x {t > 0} {u(x, 0) = F(x) on (- infinity, infinity), where F belongs to the weighted L2[R, exp(- ax2) dx] space, are used in order to study best approximation problems. (C) 1994 Academic Press, Inc.

[发布日期] 1994-08-01