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Wrap
Microsoft Windows Help File Content
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1995-05-08
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12KB
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136 lines
R-Tek Scratchpad
Version 1.00
TSPadDatad
TPictured
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Times New Roman
densed BT
Graphs
nnnnnn]
TCommentTextd
There are two basic types of graphs in the scratchpad, cartesian and polar. (Note that I have
chosen to use many solid line color traces in my example graphs. If you do not have a color printer,
you may have to modify the color of some traces in order for them to print in black and white. You
will have to modify the line type as well to distinguish the traces when printed.)}
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TCommentTextd
Cartesian can be broken down into two types, log and normal. Normal cartesian
can be easily converted to polar and vice versa. Log graphs cannot be converted
to polar. Graphs can be either function or matrix graphs or both together on
one graph. As a simple example of a cartesian function graph, consider the following:F
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TCommentTextd
Try to duplicate the following graph by following these instructions:E
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TCommentTextd
Click to the right of the following graph, down about its vertical center. Now click the
graph button on the toolbar or simply type the word graph and then hit the enter key.
This will create a new graph with the caret active in the y axis variable. With the
mouse arrow over the y axis variable, click the right mouse button. This activates a
popup properties menu.. Choose graph properties to bring up the graph properties
dialog. Change the number of traces to two and click ok.
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TGraphd
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sin(x)
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cos(x)
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nnnn-
TCommentTextd
To size the graph use Ctrl+arrow keys. Use the vertical arrow keys alone to move
from one entry to another. Remember that pi can be entered as Ctrl+g (think
Greek when you type Ctrl+g) followed by p. You can also bring up the second
control bar that has all the Greek letters on it by clicking the alpha beta + ops
button on the primary toolbar. Finally, click on the green circle in the toolbar to
run the program.
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TCommentTextd
You can move the graph by click shift clicking to highlight the graph and then drag it.W
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TCommentTextd
You can also align the two graphs by click shift clicking in the first graph and then
shift clicking in the second. This highlights both graphs. Now right click in the one
you want to use as the base for alignment. Chose align horizonatally from the popup.
The other graph will align itself to the one that was right clicked.G
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TCommentTextd
To see the polar plot of these functions, activate one of the graph expressions and then
right click. Choose graph properties from the popup, click on polar in the dialog, and
then select ok. Run again. Simple, isn't it?
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
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TCommentTextd
See if you can duplicate the following log-log graph.5
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TGraphd
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1.000
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10.000
ties4
TCommentTextd
Other graph possibilities are to use matrices for x and y, or a combined graph
using both automatic function plots and matrix plots
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnznnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn]
TExpressiond
xv:zmat(41,1)
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yv:zmat(41,1)
TMatLoopd
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xv[i]
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xv[i]:(i-1)/10.0
TExpressiond
yv[i]:xv[i]^3
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TCommentTextd
This is an example of such a combined graph, Multiple X, two traces. Note that
such graphs require that the autocalc variable be defined in the first trace
with only one autocalc variable allowed per graph (It can be used by several traces). The
second trace in this example is defined by the two vectors calculated above. Continue
to use the up and down arrow keys to move between y and x axis expressions even though
they are now close together (Left and right won't work.).
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TGraphd
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TTraced
TExpressiond
TExpressiond
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race&
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Times New Roman
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Arial
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Arial
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Symbol
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Symbol
TNumberFormatDatad
TGraphSetupDatad
TPageSetupDatad
R-Tek Scratchpad Example File GRAPHS