Texas Instruments TI-86 - Page 285

Chapter 20: A to Z Function and Instruction Reference
273
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 273 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 273 of 118
Circl(
† GRAPH DRAW menu
Circl(
x
,
y
,
radius
)
Draws a circle with center (
x
,
y
) and
radius
on the
current graph.
Starting with a
ZStd
graph screen:
ZSqr:Circl(1,2,7)
b
ClDrw
† GRAPH DRAW menu
† STAT DRAW menu
ClDrw
Clears all drawn elements from the current graph.
CILCD
‡ program editor
I/O menu
ClLCD
Clears the home screen (LCD).
ClrEnt
MEM menu
ClrEnt
Clears the contents of the Last Entry storage area.
ClTbl
‡ program editor
I/O menu
ClTbl
Clears all values from the current table if
Indpnt: Ask
(
IAsk
, page 304) is set.
cnorm
MATRX MATH menu
cnorm
matrix
Returns the column norm of a real or complex
matrix
.
For each column,
cnorm
sums the absolute values
(magnitudes of complex elements) of the elements in that
column and returns the largest of those column sums.
[[1,
L
2,3][4,5,
L
6]]
¶
MAT
b
[[1
L
2 3 ]
[4 5
L
6]]
cnorm MAT
b
9