From the course: Quantum Computing Fundamentals

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Overview of complex numbers

Overview of complex numbers

From the course: Quantum Computing Fundamentals

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Overview of complex numbers

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- Like the previous video on vectors, this video will be a quick overview of complex numbers. So if you're already comfortable working with complex numbers in standard and polar forms, as well as performing operations like the complex conjugate, feel free to skip past this video. Now to understand complex numbers, we first need to understand the concepts of real and imaginary numbers. A real number is any value that can be represented as a distance along a line. For example, 1, 2, and 3 are all real numbers, as are their negative counterparts going in the other direction. Real numbers can be fractional values, like 1/4 or -1.78, and they can even be irrational numbers, like square root of 2 or pi, which require an infinite number of decimal places to fully represent. Real numbers are quantities that can exist in the real world that we live in. They're the type of values that we use in everyday life. For example, I have…

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