When applied to a system possessing a length at which solutions in a variable change character (such as the gravitational field of a sphere as runs from the interior to the exterior), the symbols
are sometimes used.
When applied to a system possessing a length at which solutions in a variable change character (such as the gravitational field of a sphere as runs from the interior to the exterior), the symbols
are sometimes used.
Weisstein, Eric W. "Greater than/Less than Symbol." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/GreaterthanLessthanSymbol.html