(linear algebra) A particular type of factorisation of a matrix into a product of three matrices, of which the second is a diagonal matrix that has as the entries on its diagonal the singular values of the original matrix.

(grammar) The form of a verb used with the pronouns thou and you (singular), or their equivalents in other languages.

(grammar) The form of a verb used with the pronoun I (or its equivalent in other languages). / (grammar) The pronoun I (or its equivalent in other languages).

(grammar) The form of a verb used (in English and other languages) with singular nouns and with the pronouns he, she, it and one (or their equivalents in other languages).

A singular statement that states the existence of its subject.

plural of singular existential statement

plural of singular value decomposition

(astrophysics) An as yet theoretical gravitational singularity with no event horizon, making it observable, unlike a black hole whose event horizon prevents light from reaching an observer situated outside the event horizon.

plural of naked singularity

(physics) A location where the quantities that are used to measure the gravitational field become infinite in a way that does not depend on the coordinate system.