irregular singularity meaning in Hindi

Examples

1. In the 1980s, he wrote a series of papers with Donald Babbitt on the theory of differential equations with irregular singularities.
2. This has two regular singularities at t =-1, 1 and one irregular singularity at infinity, which implies that in general ( unlike many other special functions ), the solutions of Mathieu's equation " cannot " be expressed in terms of hypergeometric functions.