atlas[Who] - finding out "who is who" in atlas package

Calling Sequence:

     Who()
     Who(L)

Parameters:

       L -an identifier, list or set of identifies.

Description:

• In the atlas package any identifier is treated as 0-form  i.e. as non-constan scalar  (if it not declared as constant, p-form, tensor etc. (see atlas[types] )).
• The Who procedure finds out "who is who".
• Who() - returns information about all declarations made;
• Who(L) where L is an identifier  - returns information about object L;
• Who(L) where L is a list or set  of identifiers - returns information about all objects in L;

Examples:
restart:
with(atlas):

Declare domain
Domain(Top);

Declare constants:
Constants(alpha,beta,C,lambda);

Declare functions:
Functions(f=f(x,y),y=y(z));

Declare vectors:
Vectors(E[j],X,Y,Z,U[i]);

Declare forms:
Forms(e[j]=1,omega=2,theta=p);

Declare Tensors:
Tensors(T=[n,k]);

Let's see "who is who"
Who(z);

See Also:

atlas , atlas[Constants] , atlas[Functions] , atlas[Forms] , atlas[Tensors] , atlas[Domain].