Approx; Approxrational; Augment; Avgrc() - Texas Instruments TI-NSPIRE Reference Manual

approx()

⇒
Value1 number
approx( )
Returns the evaluation of the argument as an expression containing
decimal values, when possible, regardless of the current
mode.
Approximate
This is equivalent to entering the argument and pressing
·
.
⇒
List1 list
approx( )
⇒
Matrix1 matrix
approx( )
Returns a list or matrix where each element has been evaluated to a
decimal value, when possible.

approxRational()

Expr tol
approxRational( [,
List tol
approxRational( [,
Matrix
approxRational( [,
Returns the argument as a fraction using a tolerance of tol. If tol is
omitted, a tolerance of 5.E-14 is used.

augment()

⇒
List1, List2
augment( )
Returns a new list that is List2 appended to the end of List1.
Matrix1 Matrix2
augment( ,
Returns a new matrix that is Matrix2 appended to Matrix1. When
the "," character is used, the matrices must have equal row
dimensions, and Matrix2 is appended to Matrix1 as new columns.
Does not alter Matrix1 or Matrix2.

avgRC()

Expr1 Var =value
avgRC( , [
Returns the forward-difference quotient (average rate of change).
Expr1 can be a user-defined function name (see
When value is specified, it overrides any prior variable assignment or
any current "such that" substitution for the variable.
H is the step value. If H is omitted, it defaults to 0.001.
Note that the similar function
quotient.
TI-Nspire™ Reference Guide
Auto or
/
⇒
expression
])
⇒
list
])
⇒
tol matrix
])
list
⇒
matrix
)
⇒
H expression
] [, ])
).
Func
uses the central-difference
nDeriv()
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