absolute value (redirected from Complex norm)

absolute value

n.

1. The numerical value of a real number without regard to its sign. For example, the absolute value of -4 (written -4) is 4. Also called numerical value.

2. The modulus of a complex number, equal to the square root of the sum of the squares of the real and imaginary parts of the number.

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absolute value

n Maths

1. (Mathematics) the positive real number equal to a given real but disregarding its sign. Written ∣ x ∣. Where r is positive, ∣ r ∣ = r = ∣-r∣

2. (Mathematics) Also called modulus a measure of the magnitude of a complex number, represented by the length of a line in the Argand diagram: ∣x + iy ∣ = √(x² + y²), so ∣ 4 + 3i ∣ = 5

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absolute 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.

Thesaurus

Noun

1.

absolute value - a real number regardless of its sign numerical value definite quantity - a specific measure of amount modulus - the absolute value of a complex number