Texas Instruments TI-89 Titanium User Manual page 858

stdDev()
MATH/Statistics menu
list , freqlist
stdDev( [
Returns the standard deviation of the elements in
.
list
Each
freqlist
consecutive occurrences of the corresponding
element in
Note: must have at least two elements.
list
[
matrix1 , freqmatrix
stdDev(
Returns a row vector of the standard deviations of
the columns in
Each
freqmatrix
consecutive occurrences of the corresponding
element in
Note:
matrix1
StoGDB
CATALOG
GDBvar
StoGDB
Creates a Graph database (GDB) variable that
contains the current:
* Graphing mode
* Y= functions
* Window variables
* Graph format settings
1- or 2-Graph setting (split screen and ratio
settings if 2-Graph mode)
Angle mode
Real/complex mode
* Initial conditions if Sequence or
Diff Equations mode
* Table flags
* tblStart, @tbl, tblInput
You can use
environment.
*Note: These items are saved for both graphs in 2-
Graph mode.
Stop
CATALOG
Stop
Used as a program instruction to stop program
execution.
Appendix A: Functions and Instructions
]) ⇒
expression
element counts the number of
.
list
⇒
]
matrix
)
.
matrix1
element counts the number of
.
matrix1
must have at least two rows.
to restore the graph
GDBvar
RclGDB
stdDev({a,b,c}) ¸
stdDev({1,2,5,ë 6,3,ë 2}) ¸
stdDev({1.3,2.5,L6.4},{3,2,5})
¸
stdDev([1,2,5;-3,0,1;.5,.7,3])
¸
[2.179 ...
stdDev([L1.2,5.3;2.5,7.3;6,L4],
[4,2;3,3;1,7]) ¸
[2.7005,5.44695]
Program segment:
©
For i,1,10,1
If i=5
Stop
EndFor
©
4.33345
1.014 ... 2]
855