Complex number

Complex number

A number of the form a + bi, where a and b are real numbers and i is the imaginary unit.

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Category: Algebra
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complex numbers

Mathematics; Algebra

Numbers like 3 – 2i that can be written as the sum or difference of a real number and an imaginary number.

complex number

Software; Globalization software service

A number consisting of an ordered pair of real numbers, expressible in the form a+bi, where a and b are real numbers and i squared equals minus one.

complex number

Mathematics; Algebra

A number of the form a + ''bi'', where a and b are real numbers and i is the imaginary unit.

complex number

Software; Operating systems

A number in the form a + bi, where a and b are real numbers and i = sqrt(-1) , so that bi is imaginary unless b = 0.

complex number

Aviation; Aeronautics

A number which contains real numbers and imaginary numbers.

complex number

Science; General science

A number that has a real part, x, and an imaginary part, iy, where i = √–1 and x and y are real (x can also equal 0). The complex number therefore has the form x + iy, which can ...

Antikythera mechanism

Mathematics; Algebra

The Antikythera mechanism is an analog computer that was used by the Greeks more than 2000 years ago to locate and predict the positions of celestial objects. When new, the device ...

arythmetic series

Mathematics; Algebra

A series such as 3 + 7 + 11 + 15 + ··· + 99 or 10 + 20 + 30 + ··· + 1000 which has a constant difference between terms.

asymptote

Mathematics; Algebra

A line or curve that the graph of a relation approaches more and more closely the further the graph is followed.

augmented matrix

Mathematics; Algebra

A matrix form of a linear system of equations obtained from the coefficient matrix as shown below.

average rate of change

Mathematics; Algebra

The change in the value of a quantity divided by the elapsed time.

axis of reflection

Mathematics; Algebra

The "mirror line" of a reflection. That is, the line across which a reflection takes place.

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