Texas Instruments TI-89 Titanium User Manual page 849

Shade
CATALOG
expr1 expr2
Shade ,
Displays the Graph screen, graphs
and shades areas in which
( and
expr1
the independent variable.)
and
xlow xhigh
boundaries for the shading. Valid inputs are
between
xmin
.
xmax
specifies one of four shading patterns:
pattern
1 = vertical (default)
2 = horizontal
3 = negative-slope 45¡
4 = positive-slope 45¡
specifies the resolution of the shading
patRes
patterns:
1= solid shading
2= 1 pixel spacing (default)
3= 2 pixels spacing
©
10= 9 pixels spacing
Note: Interactive shading is available on the Graph
screen through the
shading of a specific function is available through
the
Style
graphing mode.
846
xlow xhigh pattern patRes
, [ ], [ ], [ ], [
expr1
is less than
expr1
must be expressions that use
expr2
, if included, specify left and right
and . Defaults are
xmax
instruction. Automatic
Shade
instruction. is not valid in 3D
Shade
] In the
ZoomTrig
and
expr2 ,
Shade cos(x),sin(x) ¸
.
expr2
as
x
and
xmin
@
"
¥ "
H
ClrDraw ¸
Shade cos(x),sin(x),0,5 ¸
@
"
¥ "
H
ClrDraw ¸
Shade cos(x),sin(x),0,5,2 ¸
@
"
¥ "
H
ClrDraw ¸
Shade cos(x),sin(x),0,5,2,1
¸
Appendix A: Functions and Instructions
viewing window:
Done
Done
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