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* Latest "ImaginaryNumbers" in the News *
The (Imaginary) Numbers at the Edge of Reality Quanta MagazineOdd enough to potentially model the strangeness of the physical world, complex numbers with “imaginary” components are rooted in the familiar.
Meet The FourDimensional Numbers That Led to Modern Algebra WIREDStrange, longforgotten numbers called quaternions are undergoing a revival in computer graphics, math, and physics.
The Octonion Math That Could Underpin Physics Quanta MagazineNew findings are fueling an old suspicion that fundamental particles and forces spring from strange eightpart numbers called “octonions.”
'Grand unified theory of maths' nets Abel Prize Nature.comRobert Langlands' ideas unearthed connections within mathematics that have helped to solve centuriesold problems and aided researchers in disparate fields.
Seeing the Sublime in Mathematics The Weekly StandardDavid Stipp's short book, A Most Elegant Equation, aims to persuade the “mathaverse” that “great mathematics is as provocative, beautiful, and deep as great ...
Mathematicians Skeptical of Supposed MillionDollar Proof GizmodoThere are six outstanding math problems that, if solved, will net you a $1 million reward. On Monday, a highly regarded mathematician claimed in a lecture that ...
What Are Imaginary Numbers? LiveScience.comAn imaginary number is a number that, when squared, has a negative result.
What Are Complex Numbers? LiveScience.comComplex numbers are numbers that consist of two parts — a real number and an imaginary number. They are the building blocks of more intricate math, such as ...
The Irish man who discovered quaternion algebra Irish TimesThis month 173 years ago, William Rowan Hamilton had his 'eureka' moment as he walked along the Royal Canal.
Imaginary AC Circuits Aren't Really Complex HackadayIf you have ever read advanced textbooks or papers about electronics, you may have been surprised to see the use of complex numbers used in the analysis of ...
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Internet Search Results
Imaginary number  Wikipedia
An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i 2 = −1. The square of an imaginary number bi is −b 2.For example, 5i is an imaginary number, and its square is −25.Zero is considered to be both real and imaginary. Originally coined in the 17th century as a derogatory term and regarded as ...
Imaginary Number  from Wolfram MathWorld
Imaginary Number. Although Descartes originally used the term "imaginary number" to refer to what is today known as a complex number, in standard usage today, "imaginary number" means a complex number that has zero real part (i.e., such that ).For clarity, such numbers are perhaps best referred to as purely imaginary numbers.. A (purely) imaginary number can be written as a real number ...
A Visual, Intuitive Guide to Imaginary Numbers ...
Imaginary numbers always confused me. Like understanding e, most explanations fell into one of two categories:. It’s a mathematical abstraction, and the equations work out. Deal with it. It’s used in advanced physics, trust us.
Imaginary Numbers  Friesian School
Imaginary Numbers. We have shown the symbol a to be void of meaning, or rather selfcontradictory and absurd.. Augustus De Morgan (18061871), Professor of Mathemtics, University College, London, 1831
Imaginary unit  Wikipedia
The imaginary unit or unit imaginary number (i) is a solution to the quadratic equation x 2 + 1 = 0.Although there is no real number with this property, i can be used to extend the real numbers to what are called complex numbers, using addition and multiplication.A simple example of the use of i in a complex number is 2 + 3i.. Imaginary numbers are an important mathematical concept, which ...
Complex Numbers: Introduction  Purplemath
Introduces the imaginary number 'i', and demonstrates how to simplify expressions involving the square roots of negative numbers. Warns about a common trick question.
Imaginary (NonReal) and Complex Numbers – She Loves Math
You can also put complex expressions in the graphing calculator: (Note that the complex conjugate that we used to simplify a denominator with an imaginary number in it is similar to the radical conjugate we learned about here in the Introduction to Quadratics section.) Quadratic Formula with Complex Solutions. Now let’s solve a quadratic equation that has complex (imaginary) solutions.
Complex numbers  Algebra II  Math  Khan Academy
Learn about complex numbers and how to add, subtract, and multiply them. This will come in useful when working with polynomials.
Simplifying roots of negative numbers (video)  Khan Academy
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xkcd: e to the pi times i
This work is licensed under a Creative Commons AttributionNonCommercial 2.5 License. This means you're free to copy and share these comics (but not to sell them). More details..
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