01(x) 1 V/202 0,将得到什么结果
Dirac δ function Green Functions of ODE Possible Symmetric Properties of GF’s Density Distribution of A Point Source Basic Operation Rules 2D & 3D δ functions e-l → 0§òo(Jº C. S. Wu 1Êù δ¼ê
01(x) 1 V/202 若令l→0,将得到什么结果?
Dirac δ function Green Functions of ODE Possible Symmetric Properties of GF’s Density Distribution of A Point Source Basic Operation Rules 2D & 3D δ functions e-l → 0§òo(Jº C. S. Wu 1Êù δ¼ê
当x<-1/2 当-/2 当x>l/2
Dirac δ function Green Functions of ODE Possible Symmetric Properties of GF’s Density Distribution of A Point Source Basic Operation Rules 2D & 3D δ functions δl(x) = 0 x < −l/2 1 l −l/2 < x < l/2 0 x > l/2 lim l→0 δl(x) = ( 0 x 6= 0 ∞ x = 0 eP lim l→0 δl(x) = δ(x)§δ(x)ko¿Âº C. S. Wu 1Êù δ¼ê
当x<-1/2 当-/2<x<l2 当x>l/2 当x≠0 lim d()= 当x=0
Dirac δ function Green Functions of ODE Possible Symmetric Properties of GF’s Density Distribution of A Point Source Basic Operation Rules 2D & 3D δ functions δl(x) = 0 x < −l/2 1 l −l/2 < x < l/2 0 x > l/2 lim l→0 δl(x) = ( 0 x 6= 0 ∞ x = 0 eP lim l→0 δl(x) = δ(x)§δ(x)ko¿Âº C. S. Wu 1Êù δ¼ê
当 当-/2 当x>l/2 当x≠0 lim d()= 当x=0 若记lm6(x)=6(x)()有什么意义?(类 →0
Dirac δ function Green Functions of ODE Possible Symmetric Properties of GF’s Density Distribution of A Point Source Basic Operation Rules 2D & 3D δ functions δl(x) = 0 x < −l/2 1 l −l/2 < x < l/2 0 x > l/2 lim l→0 δl(x) = ( 0 x 6= 0 ∞ x = 0 eP lim l→0 δl(x) = δ(x)§δ(x)ko¿Âº C. S. Wu 1Êù δ¼ê