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Re: graph drawing problem
Read the first part of the answer to deactivate the statistical plots. No need to read the rest if you know how to do graphs.
Prepare calculator to graph
avoid errors: Press
Press [MODE] key.
In Mode set up screen, make set the angle unit (if you
are drawing trigonometric functions)..
Use the arrows to move cursor to 3rd line to highlight
degree or radian and press [ENTER]. The important thing is that you be
aware of the unit so that you do not get unexpected results.
On same screen, verify that Func
is highlighted. If you are drawing PARametric plots, POLar plots or
SEQuence plots, you highlight the relevant item in the list
If it is not, use arrow to highlight Func
[ENTER] to validate.
Do not worry if you do not have exactly the same screen
as in the screen picture (We may have different OS Versions)
the functions to draw (assuming you want to draw y= functions)
Press [Y=] to enter function editor.
Type in a function
[ENTER] at the end of each function.
Before pressing [GRAPH], make
sure that all the = signs that define the functions to be graphed are
highlighted white on black. If one is not highlighted, use arrow to move
cursor on the sign and press [ENTER].
In the screen capture 4 functions are slated to be
the Graph Style (You may ignore this now, because it is unimportant for
just one graph)
Select the graph style:
The small piece of line to the left of a Y that defines a function is
Move cursor on it and press [ENTER] .
Each [ENTER] (on same
line) selects another style.
On the next screen you have all the styles available on
Do not select the bubble on line 6: It is for
animations. It will not leave a trace at the end of the plot. graph drawing problem - 7ed82f0.jpgimg src="http://i.fixya.net/uploads/images/7ed82f0.jpg" alt="7ed82f0.jpg" class="h_mi" />
Press [GRAPH] to see the graphs.
If one of them is missing, verify that its = is still
use the [WINDOW] to set the Window dimensions,
Here are the dimensions of tgraph drawing problem - 5c26e6c.jpg window
selection 6:ZStandard sets the dimensions as on the screen
Titled Window (above).
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1. To graph a function, Press [Y=] to enter the function editor. 2. Type in a legitimate function. 3. Press ENTER to validate the function. 4. Press the GRAPH key to draw the graph. 5. Play with the window dimensions or use the ZOOM feature to see more of the graph (or less).
Try your settings by drawing the function y= x If you have problem with Invalid Dimension or other errors, turn the Statistical Plots OFF. To do so, press [SHIFT] [Y=] to open the Stat Plots. Type in the number to the left of the Option PlotsOff. Then press ENTER.
Usually ypu know the equation then graph it. However in doing statistics, it may appear that the curve of best for a scatter plot could be could an exponential. In that case you use the STAT application to enter the x-data in List 1 and the y-data in List 2. When you finish press the f1 key to select Graph1. You should also verify by Pressing F6:set that the graph type is set to scatter, and that List 1 contains the x-data and List 2, the y-data. After you verify that all is in order press the F1: Graph 1 key. As the graph is displayed you will see several tabs with various regression models. Pan thr tabs to the right to get to F2:EXP. Select it. The equation is displayed on the next screen. At the bottom of the screen you see two tabs COPY and DRAW. Press f5:Copy to copy the equation in one of the y= functions. Press Draw and you will see the curve of best fit superposed on the scatter plot points.
From the alpha keyboard type in NewProb and press ENTER. This will clear the contents of all the one-letter variables a-z. Open the Y= editor and type in an expression for the function to draw. You do not have to enter a multiplication sign between a numerical factor preceding the variable x and x. If a factor is a letter you must explicitly use the multiplication sign.
What happened when you tried going to PlotsOff. Did you actually execute the command?
If you executed that command and cannot graph then for some reason you are feeding lists or matrices as arguments to the functions you want to draw. By the way are you drawing STATISTICAL GRAPHS or FUNCTION GRAPHS?
If you are drawing statistical graphs and you executed the PlotsOff command, it is normal you will not be able to graph because PlotsOff turns OFF the statistical graphs.
Here are a few things you can do:
If you got the message while trying to draw a graph
Error messages are important to help solve the problem. Try the following instructions to draw the function Y=5X+2 but first Reset the calculator by pressing the RESET button on back of calculator. I do not want you to run into problems created by old settings.
Turn calculator ON. If you do not see several icons
arrow to select the [GRAPH] application and press [EXE].
entry screen, the line with Y1= is highlighted. If it is not, use arrow
to highlight it.
Press the right arrow, the highlighting disappears
leaving you with Y1= and the blinking cursor.
At the position of
the cursor type 5 then press the [X, theta,T] key, under the [ALPHA].
On the screen
appears 5X, complete your equation by typing [+] 2
Press [EXE] to store function.
If you want to draw other functions, it is time to do
so on that
When done, press [F6:Draw].
If the screen does not show a
lot of the function, you can use the arrow keys to pan (move the center
of the graph. You can pan Up, Down, Left, or Right.
can also press [SHIFT][V-Window] to set the window limits.
I am puzzled by the (-2,2) after the equation. I suspect it is the
coordinates of some point. But I won't push the matter further, and I
will just ignore that info. I am no mind reader.
Turn calculator ON.
If you do not see icons, press Menu.
Use navigational arrows to highlight [GRAPH] and press [EXE]
Type the function.
Use the [X.T,theta] key below [ALPHA] to type the X variable or
the [ALPHA][+]. In general you should use the [X,T,theta] because is
context sensitive: If you draw parametric or polar graphs, pressing
that key gives you the right variable (T, or theta)
Use the caret [^] 3 to raise X to the third power and complete the function. and press [EXE]
At the bottom of the screen you see some tabs.
Press [F3:Type] and you will see all types of graphs you can draw. But since you want Y=, press [EXIT] to return to Y=editor
Press the Function key to above which you see [DRAW]
Adjust the Window dimensions if necessary
Finding the min and max
While the graph is still displayed press [SHIFT][F5:G-Solve].You see all the possible calculationsF1:root,
F2:Max,F3:Min,F4:YiCPT (y_intercept),F5:Isct (intersection) F6:=> to
show the others, among which is the F3:integral.
Press F3:min and hold your breath.
After a while you get your minimun. Be patient, even if the small square at the top right disappears.
Once you get the minimum, press [SHIFT][F5-G-Solve] and repeat for the maximum.
1. TurnOff the STATPLOTS by pressing [2nd][STAT PLOT][4:PlotsOFF]. Command
echoes on the home screen. Press ENTER. Screen displays Done
2. Run the command ClrAllLists to clear the lists. Press [2nd][Catalog] Scroll down till you reach the ClrAllLists command. Highlight and press [ENTER]. Command echoes on main screen, press [ENTER] to execute it. Screen displays Done
3. Make sure you are drawing the right type of
graph. To check that press [MODE], scroll down to 4th line to highlight
Func and press ENTER, if you are drawing y=f(x) functions. The others
are PARametric, POLar, SEQuence.
The above procedures (the first two) are likely to solve your problem. In case that does not work reset the RAM.
Press [2nd][MEM][7:Reset][1:All ram][2:Reset] [ENTER]. Screen shows RAM
cleared. Clear the screen and use [Y=] to enter the functions you want
to graph. Hope it helps.