Nsolve Math/Algebra Menu; Onevar Math/Statistics Menu - Texas Instruments TITANIUM TI-89 User Manual

matrix1 matrix2
nPr( ,
Returns a matrix of permutations based on the
corresponding element pairs in the two matrices.
The arguments must be the same size matrix.
nSolve()
MATH/Algebra menu
equation
nSolve(
Iteratively searches for one approximate real
numeric solution to
Specify
variable
– or –
variable
For example,
nSolve()
zeros()
constrain the search to a small interval containing
exactly one simple solution.
nSolve()
where the residual is zero or two relatively close
points where the residual has opposite signs and
the magnitude of the residual is not excessive. If
it cannot achieve this using a modest number of
sample points, it returns the string "
."
found
If you use
getType()
using it in an algebraic expression.
Note: See also
zeros()
OneVar
MATH/Statistics menu
[
list1
OneVar [,
Calculates 1-variable statistics and updates all
the system statistics variables.
All the lists must have equal dimensions except
for .
list4
represents xlist.
list1
represents frequency.
list2
represents category codes.
list3
represents category include list.
list4
Note:
list1
or c1–c99 (columns in the last data variable
shown in the Data/Matrix Editor).
have to be a variable name and cannot be c1–
c99.
Appendix A: Functions and Instructions
) ⇒ ⇒ ⇒ ⇒
matrix
) ⇒ ⇒ ⇒ ⇒
varOrGuess number or error_string
,
for its one variable.
equation
as:
varOrGuess
=
real number
is valid and so is
x x=3
is often much faster than
, particularly if the "|" operator is used to
attempts to determine either one point
in a program, you can use
nSolve()
to check for a numeric result before
,
cSolve() cZeros()
.
]
list2 list3 list4
] [, ] [, ]
through must be a variable name
list3
nPr([6,5;4,3],[2,2;2,2]) ¸
nSolve(x^2+5x ì 25=9,x) ¸
nSolve(x^2=4,x= ë 1) ¸
nSolve(x^2=4,x=1) ¸
Note: If there are multiple solutions, you can
use a guess to help find a particular solution.
.
nSolve(x^2+5x ì 25=9,x)|x<0 ¸
or
solve()
nSolve(((1+r)^24 ì 1)/r=26,r)|r>0 and
r<.25 ¸
nSolve(x^2= ë 1,x) ¸
no solution
, , and
solve()
{0,2,3,4,3,4,6} ! L1 ¸
OneVar L1 ¸
ShowStat ¸
does not
list4
30 20
[ ]
12 6
3.844
...
ë 2.
2.
ë 8.844
...
.0068
...
"no solution found"
Done
849