In[]:=
RotationMatrix[θ]
Out[]=
{{Cos[θ],-Sin[θ]},{Sin[θ],Cos[θ]}}
In[]:=
D[%,θ]
In[]:=
{{-Sin[θ],-Cos[θ]},{Cos[θ],-Sin[θ]}}/.θ0
Out[]=
{{0,-1},{1,0}}
In[]:=
IdentityMatrix[2]+dθ{{0,-1},{1,0}}
Out[]=
{{1,-dθ},{dθ,1}}
2D version
xD[f,y]-yD[f,x]
Fractional derivatives
Fractional derivatives
Irreducible representations
Irreducible representations
2n+1
WignerD[]
In[]:=
GridGraph[{2,2,2,2,2}]
Out[]=
In[]:=
Graph3D[%]
Out[]=