const = PhysicalConst(ConstName)
Returns the value of a physical constant given a string identifier.
Parameters |
Description |
ConstName [string] |
Identifier of physical constant: 'avogadro' - Avogadro's number (1/mol) 'deg2rad' - pi/180, 'ellipsoid' - WGS84 [reequator eccentricity], 'geoid' - WGS84 [reequator repole] (m), 'gravityacc' - gravitational acceleration (m/s^2), 'idealgas' - ideal gas constant (J/Kg/K), 'planck' - Planck's constant (Js), 'rad2deg' - 180/pi, 're' - ABLE earth radius as reported by Burckle (m), 'reequator' - WGS84 equatorial earth radius (m), 'remean' - WGS84 Mean earth radius (m), 'repole' - WGS84 polar earth radius (m), 'rf' - WGS84 earth flattening, 'rw' - WGS84 earth rotation rate (rad/s), 'specificheat' - Specific heat of dry air (J/Kg/K), 'speedoflight' - Speed of light in vacuum (m/s), 'wgs72' - Structure with WGS72 parameters, 'vonkarman' - von Karman constant, |
Return Values |
Description |
const [scalar] |
Value of physical constant |
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