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Old   February 6, 2007, 03:13
Default ND_MAG
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J.Y.Shin
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ND_MAG(dx[0],dx[1],dx[2]);

Please let me know the above statement ND_MAG.

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Old   February 6, 2007, 03:33
Default Re: ND_MAG
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Bogdan
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it is equivalent with:

sqrt(pow(dx[0],2.0)+pow(dx[1],2.0)+pow(dx[2],2.0)).

Should be used with care in 2D version since dx[2] is not always 0 as expected.
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Old   February 8, 2007, 11:24
Default Re: ND_MAG
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Rizwan
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in 2D it is automatically set to zero. you need not bother about dx[2]. Its a macro that calculates the MAGnigitude of a Vector quantity
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