One of the mysteries of the English language finally explained.
Three coordinates that define the location of a point in three-dimensional space. They are the length of its radius vector r, the angle θ between the vertical plane containing this vector and the x-axis, and the angle φ between this vector and the horizontal x–y plane.
Usually written (r, θ, φ)
- ‘To this end, we consider a spherical boundary, for which the Poisson equation can be solved by expanding the potential in spherical coordinates.’
- ‘We propose to develop algorithms for the calculation of synthetic seismograms for anisotropic Earth models in spherical coordinates.’
- ‘The company's virtual interface allows a user to enter, on a computer screen, the desired field vector of a three-axis magnet in Cartesian, cylindrical, or spherical coordinates.’
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