\doteqdot
The symbol \doteqdot is used to denote an approximate equality or equivalence relation, often used in mathematical contexts where two expressions are approximately equal or equivalent under certain conditions.
Indicates that x is approximately equal to y.
x \doteqdot y
Shows that the functions f and g are approximately equal for certain values of x.
f(x) \doteqdot g(x)
Used in sequences to denote that the terms a_n and b_n are approximately equal for large n.
a_n \doteqdot b_n