Bilinear: alternatives and connections

An isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as belonging to t…

The difference of direction of two lines. In the lines meet, the point of meeting is the vertex of the angle.

Straight lines or planes which make angles in some respect opposite in character to those made by parallel lines or planes.

In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.

The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a…

A fixed reference line for the measurement of coordinates

a plane in which all points can be described in Cartesian coordinates

An instrument for drawing lines through a point, or lines converging to a center.

(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a…

(usually plural) everything that is included in a collection and that is held or included in something; "he emptied the contents of hi…

(usually plural) everything that is included in a collection and that is held or included in something; "he emptied the contents of hi…

Lines, or other elements of reference, by means of which the position of any point, as of a curve, is defined with respect to certain…

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is…

To indicate by lines drawn in the form or figure of; to represent by sketch, design, or diagram; to sketch out; to portray; to picture…

The act of representing, portraying, or describing, as by lines, diagrams, sketches, etc.; drawing an outline; as, the delineation of…

The act or art of producing upon hard material incised or raised patterns, characters, lines, and the like; especially, the art of pro…

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is…

Without sudden change of direction or curvature; smooth; fowing; -- said of the figure of a vessel, and of surfaces, water lines, and…