Texas Instruments TI-84 PLUS SILV Guidebook - Page 320
Using a Program to Guess the Coefficients, Setting Up the Program, Program
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3. Press y 5 to return to the home screen, and then store 2.9 to K. 4. Press p. Set the window variables. nMin=0 nMax=10 PlotStart=1 PlotStep=1 Xmin=0 Xmax=1 Xscl=1 Ymin=M.26 Ymax=1.1 Yscl=1 5. Press r to display the graph, and then press ~ to trace the cobweb. This is a cobweb with one attractor. 6. Change K to 3.44 and trace the graph to show a cobweb with two attractors. 7. Change K to 3.54 and trace the graph to show a cobweb with four attractors. Using a Program to Guess the Coefficients Setting Up the Program This program graphs the function A sin(BX) with random integer coefficients between 1 and 10. Try to guess the coefficients and graph your guess as C sin(DX). The program continues until your guess is correct. Note: This program changes the graph window and graph styles. After you run the program, you can change individual settings as needed or you can press y L 7 2 2 to return to default settings. Programs typically do not restore your settings in MODE, Y=, WINDOW and other locations that were used by the program. This is dependent on who created the program. Program PROGRAM:GUESS :PlotsOff :Func :FnOff :Radian :ClrHome Chapter 17: Activities 313