pp - corresponding trajectory through that point will be...

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Phase Portraits - pplane6 The routine pplane6 is already loaded on all PUCC machines as standard software. If you are using your own copy of Matlab you may need to download pplane6 . Here is a link : http://math.rice.edu/ dfield/ (Note: pplane5 is an older version of pplane6 .) To access pplane6 , at a Matlab prompt type: pplane6 A popup window will appear (similar to that for dfield6 ). Correctly enter your system of differential equations and the range of values of the indepen- dent and dependent variables. Hit Proceed and a graphics window will appear with the direction field of your system of differential equations. Click the mouse at any point and the
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Unformatted text preview: corresponding trajectory through that point will be plotted. • There are several options available in the graphics display window : printing, keyboard input of initial conditions, inserting text, erasing solutions, zoom, etc. • You may have up to four parameters to quickly vary your differential equations (rather than having to retype the same differential equations with different constants). • pplane6 is very similar to dfield6 in its syntax and use....
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