Imaginary number dimensions

In summary, complex numbers ##a+bi## can be thought of as a second dimension extension of the real number line, and there is a four-dimensional extension known as quaternions that can be obtained by considering ##\mathbb{C}\times \mathbb{R}## as structure space and giving rules for addition and multiplication. The real numbers can be seen as a subset of the complex numbers with a 0 imaginary component. However, the four-dimensional extension is not as commonly used as complex numbers.
  • #1
thetexan
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Complex numbers ##a+bi## can be thought of as a second dimension extension of the real number line.

Is there a third dimension version of this? Are there even more complex numbers that not only extend into the y-axis but also the z axis?

tex
 
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  • #2
thetexan said:
Complex numbers ##a+bi## can be thought of as a second dimension extension of the real number line.

Is there a third dimension version of this? Are there even more complex numbers that not only extend into the y-axis but also the z axis?

tex

Not 3, but 4 dimensions:

https://en.wikipedia.org/wiki/Quaternion
 
  • #3
yes, You can obtain it considering ##\mathbb{C}\times \mathbb{R}## as structure space and giving rules for the addition and multiplication, from the history point of view is not used so much this extension ...
More interesting is the ##4## dimensional extension, this is the set of quaternions ...
 
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  • #4
Fixed that for you...
Ssnow said:
giving rules for the addiction addition and multiplication
 
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  • #5
So is it correct to say that the single dimension real numbers can be considered a subset of the two dimensional complex number set where the real numbers are complex numbers with a 0 imaginary component?

tex
 
  • #6
thetexan said:
So is it correct to say that the single dimension real numbers can be considered a subset of the two dimensional complex number set where the real numbers are complex numbers with a 0 imaginary component?

tex

Yes!
 

What are imaginary number dimensions?

Imaginary number dimensions refer to the use of imaginary numbers, which are numbers that involve the square root of a negative number, in mathematical equations and systems. These numbers are typically denoted by the letter "i" and are used in complex numbers.

How do imaginary number dimensions differ from real number dimensions?

Unlike real number dimensions, which can be represented on a number line, imaginary number dimensions cannot be visualized in the same way. They exist in a separate space from real numbers and are often used in conjunction with them in complex numbers.

What are some applications of imaginary number dimensions?

Imaginary number dimensions have many applications in fields such as physics, engineering, and mathematics. They are commonly used in Fourier analysis, electrical engineering, and quantum mechanics, among others. They also have applications in geometry and solving polynomial equations.

What is the significance of the "i" in imaginary number dimensions?

The letter "i" is used to represent the imaginary unit, which is the square root of -1. This unit is essential in understanding and working with imaginary numbers and is used to denote the imaginary part of a complex number.

Can imaginary number dimensions be visualized?

No, imaginary number dimensions cannot be visualized in the same way as real number dimensions. However, they can be represented graphically using the complex plane, which maps real and imaginary numbers onto a two-dimensional graph.

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