Basic Examples 
(2)
 

Test whether an expression represents a linear function of a given variable:
In[1]:=
[◼]
LinearFunctionQ
[ax+b,x]
Out[1]=
True
In[2]:=
[◼]
LinearFunctionQ
[4x-Pi,x]
Out[2]=
True
———
Test for linearity with respect to a list of variables:
In[3]:=
[◼]
LinearFunctionQ
[(x+1)Log[y],{x}]
Out[3]=
True
In[4]:=
[◼]
LinearFunctionQ
[(x+1)Log[y],{x,y}]
Out[4]=
False
In[5]:=
[◼]
LinearFunctionQ
[(x+2y),{x,y}]
Out[5]=
True

Scope 
(1)
 


Possible Issues 
(1)
 
