Author |
Message |
ivan g (ivan84)
New member Username: ivan84
Post Number: 1 Registered: 11-2007
| Posted on Friday, November 23, 2007 - 09:49 am: | |
excuse me...i've a problem about the implementation of a system of coordinate x,y which are parallel with an oblique plane how can i operate?? The system is like this reported below:
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Robert G. Nelson (rgnelson)
Moderator Username: rgnelson
Post Number: 1004 Registered: 06-2003
| Posted on Friday, November 23, 2007 - 02:06 pm: | |
The easiest way is to rotate g: gx=g*cos(a) gy=g*sin(a). Or you can use the definition facilities of FlexPDE to create rotated derivatives. See the example script "Samples | Misc | polar.pde" and the documentation under "Parameterized Definitions" in the Help Index. Incidentally, you should always use .PNG or .GIF format to post graphics. Microsoft .BMP format is 242 times larger than .PNG on your picture!
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ivan g (ivan84)
New member Username: ivan84
Post Number: 2 Registered: 11-2007
| Posted on Saturday, November 24, 2007 - 05:12 am: | |
thanks so much ) |