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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-map-matrix

"*"/* Wahrheitstafel ...

"*"/* Eine Aussagefor...

"*"/* x ist eine List...

Calculate

args-sin

a: sin(2*x+7);

b: args(a);

c: b[1];

Calculate

args-isolate

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

isolate(eq,x);

isolate(eq,y);

Calculate

args-divisors-lreduce-matrix-subst

s: divisors(566);

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

divisors (a);

Calculate

args-isolate

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

isolate(eq,x);

isolate(eq,y);

Calculate

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

A:matrix([3,12,-4],[-...

B:A-t*ident(3);

C:determinant(B);

Calculate

args-block-modulus-submatrix-xreduce

modulus:2;

N:2;

block( P:0, for i: ...

Calculate

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

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

B:A-t*ident(3);

C:determinant(B);

Calculate

args-diff-ev-false-length-makelist-map-matrix-numer-ratprint-transpose

Koeffizienten:matrix(...

Kostenfunktion:Koeffi...

Kostenfunktion:args(K...

Calculate