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Logarithmic paper

From Encyclopedia of Mathematics
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double logarithmic paper

A special form of ruled paper; it is usually made typographically (Fig. a) as follows: On each of the axes of a rectangular -coordinate system one marks the decimal logarithms of numbers (on the horizontal axis) and (on the vertical axis) (cf. also Logarithm of a number); then lines are drawn through the resulting points parallel to the axes.

Figure: l060620a

There is also semi-logarithmic paper (single logarithmic paper) (Fig. b): On one of the axes of a rectangular -coordinate system the values of numbers are marked, and on the other the decimal logarithms of numbers .

Figure: l060620b

Logarithmic paper and semi-logarithmic paper are used for drawing the graphs of functions which (in those coordinates) may take a simpler and more obvious form, and in many cases are straight lines. On logarithmic paper straight lines represent functions given by equations of the form , , where and are constant coefficients; on semi-logarithmic paper straight lines represent functions given by equations of the form .

How to Cite This Entry:
Logarithmic paper. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Logarithmic_paper&oldid=32138
This article was adapted from an original article by BSE-3 (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article