翻訳と辞書
Words near each other
・ Distance (SS501 song)
・ Distance and Clime
・ Distance and Time
・ Distance between two straight lines
・ Distance classroom
・ Distance correlation
・ Distance decay
・ Distance Diagnostics Through Digital Imaging
・ Distance education
・ Distance Education Accrediting Commission
・ Distance Education Centre, Victoria
・ Distance Education Council
・ Distance Education Learning Environments Survey
・ Distance education librarian
・ Distance fog
Distance from a point to a line
・ Distance from a point to a plane
・ Distance geometry problem
・ Distance Learning and Telemedicine Grant and Loan Program
・ Distance line
・ Distance matrices in phylogeny
・ Distance matrix
・ Distance measures (cosmology)
・ Distance measuring equipment
・ Distance medley relay
・ Distance model
・ Distance modulus
・ Distance of closest approach of ellipses and ellipsoids
・ Distance Only Makes the Heart Grow Fonder
・ Distance oracle


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Distance from a point to a line : ウィキペディア英語版
Distance from a point to a line
The distance (or perpendicular distance) from a point to a line is the shortest distance from a point to a line in Euclidean geometry. It is the length of the line segment which joins the point to the line and is perpendicular to the line. The formula for calculating it can be derived and expressed in several ways.
Knowing the shortest distance from a point to a line can be useful in various situations—for example, finding the shortest distance to reach a road, quantifying the scatter on a graph, etc. In Deming regression, a type of linear curve fitting, if the dependent and independent variables have equal variance this results in orthogonal regression in which the degree of imperfection of the fit is measured for each data point as the perpendicular distance of the point from the regression line.
==Cartesian coordinates==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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