Assertion: ellipse's form | /r/HasProperty | useful
Facets:
value: very
type: DEGREE
value: in computer algorithms
type: OTHER
Source sentences:
text: The diagonal and vertical forms of the ellipsis are particularly useful for showing missing terms in matrices, such as the size-n identity matrix:
text: This form of defining an ellipse is very useful in computer algorithms that draw circles and ellipses.