220 Symbols
Π() (prodSeq)
Catalog >
Π(Expr1, Var, Low, Low−1) ⇒ 1
Π(Expr1, Var, Low, High) ⇒ 1/Π(Expr1,
Var, High+1, Low−1) if High < Low−1
The product formulas used are derived from
the following reference:
Ronald L. Graham, Donald E. Knuth, and
Oren Patashnik. Concrete Mathematics: A
Foundation for Computer Science.
Reading, Massachusetts: Addison-Wesley,
1994.
Σ() (sumSeq)
Catalog >
Σ(Expr1, Var, Low, High) ⇒ expression
Note: You can insert this function from the
keyboard by typing sumSeq(...).
Evaluates Expr1 for each value of Var from
Low to High, and returns the sum of the
results.
Note: See also Sum template, page 9.
Σ(Expr1, Var, Low, Low−1) ⇒ 0
Σ(Expr1, Var, Low, High) ⇒ μ
Σ(Expr1, Var, High+1, Low−1) if High <
Low−1
The summation formulas used are derived
from the following reference:
Ronald L. Graham, Donald E. Knuth, and
Oren Patashnik. Concrete Mathematics: A
Foundation for Computer Science.
Reading, Massachusetts: Addison-Wesley,
1994.
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