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mathteacher
mathteacher
@mathteacher
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Joined: June 15, 2013 9:58 am
Last seen: September 24, 2026 2:51 pm
Topics: 158 / Replies: 2104
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RE: It must be nice

Similar situation in many communities, both large and small. One similar church near here recently changed preachers because the incumbent was just "n...

8 years ago
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RE: It must be nice

Here's a link to an article that lists the 26 people who dropped off the Forbes $2 billion net worth club last year.?ÿ Wealth can be such a fleeting ...

8 years ago
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RE: Navigation App-does this exist?

Search for "ntrip client" on Google Play.

8 years ago
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RE: Low Distortion Projection help needed - solving for "k" aka Grid Scale Factor at a Point

@kjypls?ÿw?ÿis the denominator in the formula for the length of a line from the semi-minor axis perpendicular (normal) to the surface of the ellipsoid...

8 years ago
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RE: Low Distortion Projection help needed - solving for "k" aka Grid Scale Factor at a Point

Just testing Greek letters and subscripts. I can see the Greek letter phi on my screen but not the result of the subscript code. I'm trying to make a ...

8 years ago
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RE: Low Distortion Projection help needed - solving for "k" aka Grid Scale Factor at a Point

I took a different approach for LDPs. If you look at Stem's page 28, the formulas for k0?ÿand R0 can be rewritten to bypass a lot of the computation o...

8 years ago
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RE: NGS webinar March 8th?

I used the scale factor and the central parallel that Michael Dennis gave for a no-state-contact Lambert SPCS for North Carolina to try to reproduce h...

9 years ago
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RE: NGS webinar March 8th?

It's interesting that Mr. Dennis (or is it Dr. Dennis now?) chose North Carolina as one of his example states. Instead of defining the NC Lambert proj...

9 years ago
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RE: NGS webinar March 8th?

It's interesting that Mr. Dennis chose North Carolina as one of his example states. Instead of defining the NC Lambert projection by two standard para...

9 years ago
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RE: Journal of Geodetic Science article on a mathematical analysis of systematic errors in NAVD88 (Open Source)

This is more my speed. I just finished "Gravity for Geodesy, part 1" and I think it was an hour well-spent.?ÿ ?ÿ

9 years ago
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RE: Linearize an equation for Class Homework

Here's a University of Pennsylvania link that shows it well from a pure math perspective. ?/p>

9 years ago
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RE: Linearize an equation for Class Homework

Correct, @Bill93. Geometrically, this is the equation of a tangent plane to a hyperboloid. Since the hyperboloid is curved and the plane is straight, ...

9 years ago
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RE: AI and land surveying

Elon Musk says that AI should worry us.?/p> What would happen if one AI entity pushed another's buttons?

9 years ago
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