y=sin x'in yutan operatörü=?
y=sin x
y'=cos x
y''=-sin x
y=-y''
y''+y=0
yutan operatör; D^2+1=L
----
y=^2'nin yutan operatörü=?
y=x^2
y'=2x
y''=2
y'''=0
yutan operatör; D^3=L
----
y=5x+sin3x'in yutan operatörü=?
y1=5x
y'=5
y''=0
yutan operatör;L1=D^2
n=1, a=0, b=3
y2=sin3x
(D^2-2.0.D+0^2+3^2)
yutan operatör; L2=(D^2+3)
L=L1.L2=D^2(D^2+3)
----
i) D^n; 1,x,x^2,...,x^n-1
ii)(D-a)^N; e^ax,xe^ax,...,x^n-1e^ax
iii)(D^2-2aD+a^2+b^2)^n; e^ax.cosbx e^ax.sinbx
xe^axcosbx xe^ax.sinbx
... ...
x^n-1.e^axcosbx x^n-1.e^ax.sinbx