In[]:=
Plot[BesselJ[.6,x],{x,-20,20}]
Out[]=
-20
-10
10
20
-0.4
-0.2
0.2
0.4
0.6
In[]:=
Plot[BesselJ[0,x],{x,-20,20}]
Out[]=
-20
-10
10
20
-0.4
-0.2
0.2
0.4
0.6
0.8
1.0
In[]:=
ReImPlot[BesselJ[.6,x],{x,-20,20}]
Out[]=
-20
-10
10
20
-0.4
-0.2
0.2
0.4
0.6