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The Maxima on-line user's manual

Algebra Calculator

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Args

Function: args (<expr>) Returns the list of arguments of expr, which may be any kind of expression other than an atom. Only the arguments of the top-level operator are extracted; subexpressions of expr appear as elements or subexpressions of elements of the list of arguments.

expr: x . dx . dy + z . dy . dz + y . dx . dz;
expr2: x . [dx, dy] + z . [dy, dz] + y . [dx, dz];
expr3: x * [dx, dy] + z * [dy, dz] + y * [dx, dz];
expr4: [x, dx, dy] + [z, dy, dz] + [y, dx, dz];
expr5: [[x, dx, dy], [z, dy, dz], [y, dx, dz]];
expr6: x . del(x) . del(y) + z . del(y) . del(z) + y . del(x) . del(z);
part(expr, 1);
length(expr);
op(expr);
args(expr);
map(op, args(expr));
map(args, args(expr));
map(args, args(expr6));
diffform(vars, expr) := block(    [n, k],    0);
diff(x + y);

The order of the items in the list may depend on the global flag inflag.

args (<expr>) is equivalent to substpart ("[", <expr>, 0). See also substpart, and op.

There are also some inexact matches for args. Try ?? args to see them.

(%o1)                                true
(%i2) 

Related Examples

args-isolate-isolate_wrt_times-true

eq: x!*(x-y)!/(y-1)!;

isolate(eq,x),isolate...

isolate(eq,y),isolate...

Calculate

args-determinant-expand-factor-ident-invert-matrix-solve-sqrt-transpose

A: matrix([5,2],[2,8]);

B:A-t*ident(2);

C:determinant(B);

Calculate

args-block-del-length-map-op-part

expr: x . dx . dy + z...

expr2: x . [dx, dy] +...

expr3: x * [dx, dy] +...

Calculate

args-divisors-lreduce-matrix-subst

s: divisors(5100);

lreduce ("+", args(s...

divisors (a);

Calculate

args-makelist-matrix-permutations-transpose

print_depth: 0;

A: matrix([8,11,9],[2...

b: matrix([12],[14],[...

Calculate

args-setify

p : (z-3)*(z-2) ;

args(p) ;

setify(args(p)) ;

Calculate

args-determinant-expand-factor-ident-invert-matrix-solve-transpose

A:matrix([2,-1,2],[5,...

B:A-t*ident(3);

C:determinant(B);

Calculate

args-block-del-length-map-op-part

expr: x . dx . dy + z...

expr2: x . [dx, dy] +...

expr3: x * [dx, dy] +...

Calculate