Richard Baker Posted August 11, 2021 Share Posted August 11, 2021 https://www.researchgate.net/publication/242501702_The_Mathematical_Description_of_Shape_and_Form On page 16, there appears to be a typo on formula (2.13). Should there be a dot above psi? So curvature should equal a derivative of the angle with respect to arc length. Thank you. 1 Link to comment Share on other sites More sharing options...
joigus Posted August 11, 2021 Share Posted August 11, 2021 1 hour ago, Richard Baker said: https://www.researchgate.net/publication/242501702_The_Mathematical_Description_of_Shape_and_Form On page 16, there appears to be a typo on formula (2.13). Should there be a dot above psi? So curvature should equal a derivative of the angle with respect to arc length. Thank you. Yes, the next line after the equation says exactly that: "where the dot means...". It should be, \[ \kappa = \dot{\psi} \] 'dot' to represent the derivative by the length of arc is traditional in differential geometry. Link to comment Share on other sites More sharing options...
Richard Baker Posted August 11, 2021 Author Share Posted August 11, 2021 How do you get the specialized symbols? I will relay this to him. Thank you. Link to comment Share on other sites More sharing options...
joigus Posted August 28, 2021 Share Posted August 28, 2021 On 8/11/2021 at 6:57 PM, Richard Baker said: How do you get the specialized symbols? I will relay this to him. Thank you. That's LaTeX. https://www.scienceforums.net/forum/99-the-sandbox/ Link to comment Share on other sites More sharing options...
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