Texas Instruments TI-89 Titanium User Manual page 819

MedMed
MATH/Statistics/Regressions menu
list1 list2
MedMed ,
Calculates the median-median line and updates all
the system statistics variables.
All the lists must have equal dimensions except for
.
list5
represents xlist.
list1
represents ylist.
list2
represents frequency.
list3
represents category codes.
list4
represents category include list.
list5
Note:
list1
c1–c99 (columns in the last data variable shown in
the Data/Matrix Editor).
variable name and cannot be c1–c99.
mid()
MATH/String menu
sourceString
mid( ,
Returns
count
sourceString
If is omitted or is greater than the dimension of
count
sourceString
beginning with character number
must be ‚ 0. If
count
string.
sourceList start
mid( ,
Returns
count
with element number
If is omitted or is greater than the dimension of
count
, returns all elements from
sourceList
beginning with element number
must be ‚ 0. If count = 0, returns an empty list.
count
sourceStringList
mid(
Returns
count
sourceStringList
.
start
min()
MATH/List menu
expression1 expression2
min( ,
) ⇒
list1, list2
min(
matrix1, matrix2
min(
Returns the minimum of the two arguments. If the
arguments are two lists or matrices, returns a list or
matrix containing the minimum value of each pair of
corresponding elements.
816
[ ]
list3 list4 list5
, [ ] [, , ]
through must be a variable name or
list4
does not have to be a
list5
⇒
start count string
[, ])
characters from character string
, beginning with character number
, returns all characters from
.
start
= 0, returns an empty
count
]) ⇒
count list
[,
elements from
sourceList
.
start
sourceList
.
start
⇒ list
start count
, [, ])
strings from the list of strings
, beginning with element number
) ⇒
expression
list
) ⇒
matrix
In function graphing mode:
{0,1,2,3,4,5,6}! L1 ¸ {0 1 2
{0,2,3,4,3,4,6}! L2 ¸ {0 2 3
MedMed L1,L2 ¸
ShowStat ¸
¸
Regeq(x)! y1(x) ¸
NewPlot 1,1,L1,L2 ¸
¥ %
mid("Hello there",2) ¸
.
start
mid("Hello there",7,3) ¸
,
sourceString
mid("Hello there",1,5) ¸
mid("Hello there",1,0) ¸
mid({9,8,7,6},3) ¸
, beginning
mid({9,8,7,6},2,2) ¸
mid({9,8,7,6},1,2) ¸
,
mid({9,8,7,6},1,0) ¸
mid({"A","B","C","D"},2,2) ¸
min(2.3,1.4) ¸
min({1,2},{ë 4,3}) ¸
Appendix A: Functions and Instructions
... }
... }
Done
Done
Done
"ello there"
"the"
"Hello"
""
{7 6}
{8 7}
{9 8}
{}
{"B" "C"}
1.4
{ë 4 2}