(crystallography) The fundamental axial ratio for a given species.(crystallography) The ratio of the three crystallographic axes which determines the position of any plane. (geometry) The first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes.The parameter of the principal axis of a conic section is called the latus rectum. (geometry) In the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate.A characteristic or feature that distinguishes something from others.For equations, the X-coordinate or the abscissa can take on different Y-coordinates or distinct ordinates. (programming) An actual value given to such a formal parameter (argument or actual parameter). Graphs of equations and functions also differ.This would be roughly analogous to applying a covector to a vector (by taking their dot product (or, rather, matrix-product of row vector and column vector)) to obtain a scalar. When a function is called, a ”’parameter tuple becomes “bound” to an argument tuple, allowing the function instance itself to be computed to yield a return value. Roughly, a tuple of arguments could be thought of as a vector, whereas a tuple of parameters”’ could be thought of as a covector (i.e., linear functional). (programming) An input variable of a procedure definition, that gets an actual value (argument) at execution time (formal parameter). Abscissa noun One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal cordinate axes.(mathematics, physics) A variable kept constant during an experiment, calculation or similar.As nouns the difference between abscissa and parameter is that abscissa is (geometry) the first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (cartesian coordinate) axes the abscissa is also known as the “x” coordinate of a point, shown on the horizontal line, with the ordinate, also known as the “y” coordinate, shown on the vertical line while parameter is (mathematics|physics) a variable kept constant during an experiment, calculation or similar. The center of the Cartesian grid, the intersection point of the axes, is called the origin of the graph.Īny point in the Cartesian plane can be located by specifying its two coordinates, x and y.In context|geometry|lang=en terms the difference between abscissa and parameter is that abscissa is (geometry) the first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (cartesian coordinate) axes the abscissa is also known as the “x” coordinate of a point, shown on the horizontal line, with the ordinate, also known as the “y” coordinate, shown on the vertical line while parameter is (geometry) in the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate. If each axis is like a 1-dimensional number line, where x is positive on the right, negative on the left, and y is positive above the x-axis and negative below it, we have these results for each quadrant: Quadrant The two axes divide the Cartesian plane into four quadrants, which we label, beginning with the upper right and moving around counterclockwise, as Quadrants I, II, III and IV, using Roman numerals. We don't usually use "ordinate" and "abscissa" too much these days, but you should know that you might hear them. The horizontal axis is called the abscissa and is usually labeled as the x-axis. The vertical axis is called the ordinate, and is usually labeled as the y-axis. The Cartesian coordinate system consists of two axes (plural of axis) drawn at right angles to one-another.
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