1. As an expression
In[]:=
Base4e={x^2*Cos[x],Cos[x]*Sin[x]};
In[]:=
Base4e/.x0
Out[]=
{0,0}
In[]:=
Base4e/.xPi
Out[]=
{-
2
π
,0}
2. As a function
In[]:=
Base4f[x_]:={x^2*Cos[x],Cos[x]*Sin[x]};
In[]:=
Base4f[0]
Out[]=
{0,0}
In[]:=
Base4f[Pi]
Out[]=
{-
2
π
,0}
3. As a Table
In[]:=
Table[{x^2*Cos[x],Cos[x]*Sin[x]},{x,{0,Pi}}]
Out[]=
{{0,0},{-
2
π
,0}}
4. As a Print statement in a Do loop
In[]:=
Do[​​Print["x, {x^2*Cos[x],Cos[x]*Sin[x]} = ",x,", ",{x^2*Cos[x],Cos[x]*Sin[x]}],​​{x,{0,Pi}}​​];
x, {x^2*Cos[x],Cos[x]*Sin[x]} = 0, {0,0}
x, {x^2*Cos[x],Cos[x]*Sin[x]} = π, {-
2
π
,0}
5. As a Lists from Map
In[]:=
{#^2*Cos[#],Cos[#]*Sin[#]}&/@{0,Pi}
Out[]=
{{0,0},{-
2
π
,0}}