Average Of Angles (headings)

Oct 11, 2007

I have data sent to me describing angles as integers from -180 to 180. I need to average these angles together. For example, the average of 10 and -2 should be 4. Great. However, the average of 175 and -175 should be 180.

Has anyone ever worked with this type of issue?

(I've thought about converting -175 to 185, but then I have trouble with 5 and -5, which becomes 355).

I should probably note that I have a list of angles, not just 2. The analysis I need to do is 1) average of all angles and 2) difference from the average for each angle.

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Cosine Of Angles Based On Corresponding Cell Value

Apr 26, 2008

Iv got Column A with angles between 0 and 1.56 radians. These angles are generated randomly, so it can be 0.22, 0.56,1.55 etc etc...Now in column B Iv got to carry out a function. The function is =43.22/COS(AX) X depends on the corresponding value in column A.

Every thing is fine up to here and I can do it...BUT I only need to carry out the function if the angle in Column A is smaller than 1...And if the value is bigger than 1 it only needs to output a value of 80. Thats it so...depending on the value in column A it will either carry out =43.22/COS(A) OR just make it show =80.

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I need excel to draw a circle from a point specified based on a value I give.

For example at 1 ft I might have 500 R in 1 hour (life threatening!)

At 16 feet I have about 2 R in 1 hour (not safe for too long)

These circles would be overlayed on an map.

I would like to draw a new circle at various distances, simialar to a bullseye.

I would also like a triangle drawn based on angles and SIN / COS / TAN formulas

Could this be done in VB or preferably without.

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Apr 17, 2008

Can Excel Draw Shapes or Angles based on Data? I have a radiation Excel file that solves for Radiation intensity using Distance and shielding as reducing factors. Similar to a circle of light being less intense with distance so is radiation. I need excel to draw a circle from a point specified based on a value I give. For example at 1 ft I might have 500 R in 1 hour (life threatening!) At 16 feet I have about 2 R in 1 hour (not safe for too long). These circles would be overlayed on an map. I would like to draw a new circle at various distances, simialar to a bullseye.
I would also like a triangle drawn based on angles and SIN / COS / TAN formulas

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