| 单词 | absolute value |
| 释义 | absolute valuenoun Mathematics.Also called numerical value. the magnitude of a quantity, irrespective of sign; the distance of a quantity from zero. The absolute value of a number is symbolized by two vertical lines, as |3| or |−3| is equal to 3. the square root of the sum of the squares of the real and imaginary parts of a given complex number, as |a + bi| is equal to . Also called modulus. Origin of absolute valueFirst recorded in 1905–10 Words nearby absolute valueabsolute space, absolute temperature, absolute temperature scale, absolute threshold, absolute unit, absolute value, absolute viscosity, absolute zero, absolution, absolutism, absolutive Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for absolute valueabsolute value noun mathsthe positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | – r | Also called: modulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: | x + i y | = √(x ² + y ²), so | 4 + 3i | = 5 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for absolute valueabsolute value The value of a number without regard to its sign. For example, the absolute value of +3 (written |;+3|;) and the absolute value of -3 (written |;-3|;) are both 3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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