Texas Instruments TINSPIRE Reference Guide - Page 130

prodSeq, sumSeq, Expr1, expression, High+1, Concrete, Mathematics: A Foundation for Computer Science

Page 130 highlights

Π() (prodSeq) Π(Expr1, Var, Low, High) ⇒ expression Note: You can insert this function from the keyboard by typing prodSeq(...). Evaluates Expr1 for each value of Var from Low to High, and returns the product of the results. Note: See also Product template (Π), page 4. Π(Expr1, Var, Low, LowN1) ⇒ 1 Π(Expr1, Var, Low, High) ⇒ 1/Π(Expr1, Var, High+1, LowN1) if High < LowN1 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. G() (sumSeq) G(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 4. G(Expr1, Var, Low, LowN1) ⇒ 0 G(Expr1, Var, Low, High) ⇒ MG(Expr1, Var, High+1, LowN1) if High < LowN1 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. Catalog > Catalog > 124 TI-Nspire™ Reference Guide

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124
TI-Nspire™ Reference Guide
Π
() (prodSeq)
Catalog >
Π
(
Expr1
,
Var
,
Low
,
High
)
expression
Note:
You can insert this function from the keyboard by typing
prodSeq(
...
)
.
Evaluates
Expr1
for each value of
Var
from
Low
to
High
, and returns
the product of the results.
Note:
See also
Product template (
Π)
, page 4.
Π
(
Expr1
,
Var
,
Low
,
Low
N
1
)
1
Π
(
Expr1
,
Var
,
Low
,
High
)
1/
Π
(
Expr1
,
Var
,
High+1
,
Low
N
1
)
if
High
<
Low
N
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.
G
() (sumSeq)
Catalog >
G
(
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 4.
G
(
Expr1
,
Var
,
Low
,
Low
N
1
)
0
G
(
Expr1
,
Var
,
Low
,
High
)
MG
(
Expr1
,
Var
,
High+1
,
Low
N
1
)
if
High
<
Low
N
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.