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Mike_B

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About Mike_B

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    Lepton

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  • Favorite Area of Science
    catenaries
  1. Most interesting. Will give me some new slants on solving, and on the general theory of solution limitations. And the diagram of both curves together will make things much clearer. Thoughtful of you. And I still have asymmetric catenaries to come! I am very touched by your unstinting & prompt help, and to Science Forums for extending such a wealth of knowledge to those in need. Regards Mike_B.
  2. Thanks for asking! Not using them for anything, but am just fascinated by the beauty of the shape in power lines, washing lines, etc. An obsessive and totally esoteric interest, perhaps the fallout of an engineering degree 65 years ago. Soothing to the mind, a continued defiance to dementure perhaps. (Except when the blighters wont solve). And no, Studiot I do not have your derivation of your logarithmic formula, and probably I would not understand a word; I will however gladly take your word for the most informative result you have given above. The 'alternative secant solution' does sou
  3. Thank you Studiot for your reply. There is much food for thought for me here, especially in the choosing of the values to be in the equation. Quite obviously, given your answer, some combinations just can't work. I am much obliged to you for this info, I can even understand it! Regards Mike.
  4. I am a new member & have a problem, the subject of which has interested me for years. The solution for a in the hyperbolic function (for a catenary) y = aCosh(x/a), sometimes with +c added as a 'curve shifter'. I have managed in the past by iterative trial and error if y & x are known, but very time consuming, ineligant, sometimes unsuccessful. The Casio calculator I use has a "solver", which is useful when it can find an answer, but often can't. I have a new all singing & dancing HP 50G with several solvers, which is far to complicated for me to use at all! The probl
  5. I am a new member have a problem, the subject of which has interested me for years. The solution for a in the hyperbolic function (for a catenary) y = aCosh(x/a), sometimes with +c added as a 'curve shifter'. I have managed in the past by iterative trial and error if y & x are known, but very time consuming, ineligant, sometimes unsuccessful. The Casio calculator I use has a "solver", which is useful when it can find an answer, but often can't. I have a new all singing & dancing HP 50G with several solvers, which is far to complicated for me to use at all! The problem is
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