Texas Instruments NS/CLM/1L1/B Reference Guide - Page 85

subMat, Catalog &gt, Sum Sigma

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subMat( ) subMat(Matrix1[, startRow] [, startCol] [, endRow] [, endCol]) ⇒ matrix Returns the specified submatrix of Matrix1. Defaults: startRow=1, startCol=1, endRow=last row, endCol=last column. Sum (Sigma) sum( ) sum(List[, Start[, End]]) ⇒ expression Returns the sum of the elements in List. Start and End are optional. They specify a range of elements. sum(Matrix1[, Start[, End]]) ⇒ matrix Returns a row vector containing the sums of the elements in the columns in Matrix1. Start and End are optional. They specify a range of rows. Catalog > See G(), page 101. Catalog > TI-Nspire™ Reference Guide 79

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TI-Nspire™ Reference Guide
79
subMat()
Catalog >
subMat(
Matrix1
[
,
startRow
]
[
,
startCol
]
[
,
endRow
]
[
,
endCol
]
)
⇒
matrix
Returns the specified submatrix of
Matrix1
.
Defaults:
startRow
=1,
startCol
=1,
endRow
=last row,
endCol
=last
column.
Sum (Sigma)
See
G
()
, page 101.
sum()
Catalog >
sum(
List
[
,
Start
[
,
End
]]
)
⇒
expression
Returns the sum of the elements in
List
.
Start
and
End
are optional. They specify a range of elements.
sum(
Matrix1
[
,
Start
[
,
End
]]
)
⇒
matrix
Returns a row vector containing the sums of the elements in the
columns in
Matrix1
.
Start
and
End
are optional. They specify a range of rows.