# Contour Diagram

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**Contour Diagram**. A contour line (also isoline, isopleth, or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. However, the contour lines are not equally spaced for equal increments of z.

However, the contour lines are not equally spaced for equal increments of z. In this contour diagram the contours are all parallel lines. Contour Diagrams and Graphs Contour diagrams and graphs are two different ways of representing a function of two variables.

### The difference between the values of any two successive contours is known as the contour interval, or the vertical interval.

In this contour diagram the contours are all parallel lines.

When drawing in three dimensions is inconvenient, a contour map is a useful alternative for representing functions with a two-dimensional input and a one-dimensional output. Also explain the difference between a local extrema( local max and local min) and a saddle point graphically. contour diagram [ An equal-area projection of structural data in which the poles have been contoured according to their density per unit area on the projection] ● Kontur(en)diagramm n. Contour Diagrams and Graphs Contour diagrams and graphs are two different ways of representing a function of two variables.