Texas Instruments TINSPIRE Reference Guide - Page 51

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I identity( ) identity(Integer) ⇒ matrix Returns the identity matrix with a dimension of Integer. Integer must be a positive integer. If If BooleanExpr Statement If BooleanExpr Then Block EndIf If BooleanExpr evaluates to true, executes the single statement Statement or the block of statements Block before continuing execution. If BooleanExpr evaluates to false, continues execution without executing the statement or block of statements. Block can be either a single statement or a sequence of statements separated with the ":" character. Note for entering the example: In the Calculator application @ on the handheld, you can enter multi-line definitions by pressing · instead of at the end of each line. On the computer keyboard, hold down Alt and press Enter. If BooleanExpr Then Block1 Else Block2 EndIf If BooleanExpr evaluates to true, executes Block1 and then skips Block2. If BooleanExpr evaluates to false, skips Block1 but executes Block2. Block1 and Block2 can be a single statement. Catalog > Catalog > TI-Nspire™ Reference Guide 45

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TI-Nspire™ Reference Guide
45
I
identity()
Catalog >
identity(
Integer
)
⇒
matrix
Returns the identity matrix with a dimension of
Integer
.
Integer
must be a positive integer.
If
Catalog >
If
BooleanExpr
Statement
If
BooleanExpr
Then
Block
EndIf
If
BooleanExpr
evaluates to true, executes the single statement
Statement
or the block of statements
Block
before continuing
execution.
If
BooleanExpr
evaluates to false, continues execution without
executing the statement or block of statements.
Block
can be either a single statement or a sequence of statements
separated with the “:” character.
Note for entering the example:
In the Calculator application
on the handheld, you can enter multi-line definitions by pressing
@
instead of
·
at the end of each line. On the computer keyboard,
hold down
Alt
and press
Enter
.
If
BooleanExpr
Then
Block1
Else
Block2
EndIf
If
BooleanExpr
evaluates to true, executes
Block1
and then skips
Block2
.
If
BooleanExpr
evaluates to false, skips
Block1
but executes
Block2
.
Block1
and
Block2
can be a single statement.