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Free sign upThe phrase "complex number" is a correct and usable phrase in written English.
You can use it when you are discussing complex mathematical equations, such as something like "The solution to the equation involved manipulating a complex number."
Dictionary
complex number
noun
A number of the form a + bi, where a and b are real numbers and i denotes the imaginary unit
Exact(60)
(complex number) The frequency of the excitation.
the absolute value of a complex number.
H omega)'s a complex number.
A complex number is normally denoted by z = x + iy.
Each complex number is stored in Cartesian coordinates.
A complex number is normally denoted by z = x + iy.
Each polygon is associated with an essentially unique complex number.
The Hodge Conjecture actually uses what are known as complex number coordinates and complex spatial dimensions.
A turn through any other angle would require for its unit a complex number".
In the complex number system i2 = /1, what does (2 + 3i)(/1 + 7i) equal?
Well, there's a very convenient way of doing that geometrically by recognizing that in the complex plane, this complex number minus that complex number represents a vector.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com