14p. Plotting curves _printable_

14p. Plotting curves _printable_ - Plotting Curves Plotting...

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1 ©2009 by L. Lagerstrom Plotting Curves Plotting a polynomial Plotting a function Plotting projectile height vs. time ©2009 by L. Lagerstrom Note re. Code and Display In the code examples that follow, we will often have the results displayed simply by leaving off the semi-colon at the end of assignment statements. (The results will be displayed in a simulated Command window.) In addition, we will assume that the display format has been set to “format bank” (i.e., results displayed to 2 decimal places), simply to save space. Finally, the display of the results will have blank lines in it for readability, but the code that would create those blank lines (e.g., disp(‘ ’) ) will not be shown in the code examples (again, for readability’s sake). Matlab code Command window display ©2009 by L. Lagerstrom 1. Plotting a Polynomial %To plot a polynomial: %(a) Define a row vector of x values %(b) Calculate the y values %(c) Plot the x,y values x = 0:0.1:5 y = x.^2 - 3*x + 2 figure(1) %Set figure window clf

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