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Alignment problem with Row[ ]
*To*: mathgroup at smc.vnet.net
*Subject*: [mg121315] Alignment problem with Row[ ]
*From*: "Christopher O. Young" <cy56 at comcast.net>
*Date*: Fri, 9 Sep 2011 05:51:02 -0400 (EDT)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
I was able to get the alignment OK by using Grid[ ] throughout, instead of
Row[ ] and Column[ ]. These last two seem to be pretty second-rate as far as
alignment options go.
DynamicModule[
{
f = x,
a = 0,
b = 6
},
Grid[
{
{InputField[Dynamic[f]]},
{InputField[Dynamic[a], Number]},
{InputField[Dynamic[b], Number]},
{Grid[{
{ (*
A row with the graph on the left and the difference table on \
right *)
Dynamic[
Plot[
f, {x, a, b},
PlotRange -> {{a, b}, {(f /. x -> a), (f /. x -> b)}},
Mesh -> b - a - 1,
GridLines -> {Range[a, b],
Range[f /. x -> a, f /. x -> b,
Sign[(f /. x -> b) - (f /. x -> a)]]},
GridLinesStyle -> Directive[LightGray, Dashed],
ImageSize -> Medium
] (* Plot *)
], (* Column *)
Dynamic[
Row[ (* The difference table *)
Table[
Column[
Differences[f /. x -> Range[a, b], k],
ItemSize -> {3, 3}
],
{k, 0, Exponent[f , x] + 1}
],
Frame -> True,
Alignment -> Top
]
]
}
},
Frame -> True,
Alignment -> {Left, Top}
] (* Grid for graph and difference table *)
}
},
Frame -> All
] (* Grid for whole display *)
]
I can't get the top of my difference table aligned with the top of the graph
the way I'd like to. I want to have the graph on the left and the difference
table starting at the top right corner of the graph. That way, I can like up
the differences with the steps in the graph.
Do I have to use Grid or GraphicsGrid to get this to work. Row[ ] seems to
be totally ignoring the Alignment -> {Left, Top} option here.
Thanks for any help.
Chris Young
cy56 at comcast.net
DynamicModule[
{
f = x,
a = 0,
b = 6
},
Column[{ (* The input field for the function,
and fields for the range *)
InputField[Dynamic[f]],
InputField[Dynamic[a], Number],
InputField[Dynamic[b], Number],
Row[{ (* Graph on left, difference table on right *)
Column[{
Dynamic[
Plot[
f, {x, a, b},
PlotRange -> {{a, b}, {(f /. x -> a), (f /. x -> b)}},
AspectRatio -> Abs[(f /. x -> b) - (f /. x -> a)]/Abs [b - a],
GridLines -> {Range[a, b],
Range[f /. x -> a, f /. x -> b,
Sign[(f /. x -> b) - (f /. x -> a)]]},
GridLinesStyle -> Directive[LightGray, Dashed],
ImageSize -> Medium
] (* Plot *)
]
}], (* Column *)
Dynamic[
Row[ (* The difference table *)
Table[
Column[
Differences[f /. x -> Range[a, b], k],
ItemSize -> {3, 3}
],
{k, 0, Exponent[f , x] + 1}
],
Alignment -> Center
]
]
},
ImageSize -> {800, 400},
Alignment -> {Left, Top}
] (* Row *)
}] (* Column *)
]
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