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The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA$
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Patrick Magee and Mark Tooley

Print publication date: 2011

Print ISBN-13: 9780199595150

Published to Oxford Scholarship Online: November 2020

DOI: 10.1093/oso/9780199595150.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 14 June 2021

Mathematics

Mathematics

Chapter:
Chapter 1 Mathematics
Source:
The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA
Author(s):

Patrick Magee

Mark Tooley

Publisher:
Oxford University Press
DOI:10.1093/oso/9780199595150.003.0005

Graphs are used to represent pictorially or clarify a relationship between two variables, say x and y, or t and function (t). If x and y are related by the linear equation y = mx + c, then the graphical relationship is a straight line as in Figure 1.1, where m is the slope, a constant value for a straight line and c is the value of y when x = 0. Figure 1.2 shows the relationship when m and c take negative values. Note that if c = 0, the line passes through the origin, 0, of the x–y axes. Examples of other linear relationships that can be represented in this way include the following (the bracketed symbols are the variables equivalent to x and y above): v = u + a t; (variables are t and v), where u is the starting velocity of an object that is subjected to acceleration a for time t, after which its velocity is v.

Keywords:   Draeger Evita, Fluotec, Fourier analysis, class, decibels, differential equations, differentiation, exponential functions, exponential processes, extrapolation, first differential, harmonics, hyperbolae, integration, interpolation, logarithms, natural logarithms, parabolas, polynomials, powers, radians, sine waves, straight line graphs, trigonometry

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