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SciMax Toolbox >> delete

delete

Maxima Function

Calling Sequence

delete (expr_1, expr_2)
delete(expr_1,expr_2,n)

Description

Removes all occurrences of expr_1 from expr_2. expr_1 may be a term of expr_2 (if it is a sum) or a factor of expr_2 (if it is a product).

(%i1) delete(sin(x), x+sin(x)+y);
(%o1)                         y + x

delete(expr_1, expr_2, n) removes the first n occurrences of expr_1 from expr_2. If there are fewer than n occurrences of expr_1 in expr_2 then all occurrences will be deleted.

(%i1) delete(a, f(a,b,c,d,a));
(%o1)                      f(b, c, d)
(%i2) delete(a, f(a,b,a,c,d,a), 2);
(%o2)                     f(b, c, d, a)
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