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Texas Instruments TI-82 STATS - Page 421

Texas Instruments TI-82 STATS
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General Information B–7
826FEC~1.DOC TI-83 Intl English, Appendix B Bob Fedorisko Revised: 10/27/05 3:16 PM Printed: 10/27/05
3:16 PM Page 7 of 12
Error Type Possible Causes and Suggested Remedies
INVALID (cont.)
¦ In Seq mode,
y
ou attem
p
ted to
g
ra
p
h a recursive se
q
uence
without having input the correct number of initial conditions.
¦ In Seq mode,
y
ou attem
p
ted to reference terms other than
(nN1) or (nN2).
¦ You attem
p
ted to desi
g
nate a
g
ra
p
h st
y
le that is invalid
within the current graph mode.
¦ You attem
p
ted to use Select( without havin
g
selected
(
turned
on) at least one xyLine or scatter plot.
INVALID DIM
¦ You s
p
ecified dimensions for an ar
g
ument that are not
appropriate for the operation.
¦ You s
p
ecified a list dimension as somethin
g
other than an
integer between 1 and 999.
¦ You s
p
ecified a matrix dimension as somethin
g
other than an
integer between 1 and 99.
¦ You attempted to invert a matrix that is not square.
ITERATIONS
¦ The solve( function or the e
q
uation solver has exceeded the
maximum number of
p
ermitted iterations. Examine a
g
ra
p
h
of the function. If the e
q
uation has a solution, chan
g
e the
b
ounds, or the initial guess, or both.
¦ irr( has exceeded the maximum number of
p
ermitted
iterations.
¦ When com
p
utin
g
æ
ææ
æ, the maximum number of iterations was
exceeded.
LABEL
The label in the Goto instruction is not defined with a Lbl
instruction in the program.
MEMORY
Memor
y
is insufficient to
p
erform the instruction or function.
You must delete items from memor
y
(
Cha
p
ter 18
)
before
executing the instruction or function.
Recursive
p
roblems return this error; for exam
p
le,
g
ra
p
hin
g
the
equation Y1=Y1.
Branchin
g
out of an If
/
Then, For(, While, or Repeat loo
p
with a
Goto also can return this error because the End statement that
terminates the loop is never reached.

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