If the extrapolation axis is time, the meaning of higher angle
accuracy is not well defined. We can use this terminology to associate
the mathematical meaning of the approximation for the square-root by
analogy with the Cartesian equivalents.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.