Sequences and series

Polyphase sequence

In mathematics, a polyphase sequence is a sequence whose terms are complex roots of unity: where xn is an integer. Polyphase sequences are an important class of sequences and play important roles in synchronizing sequence design. (Wikipedia).

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The Look and Say Sequence: Careful What You Assume

If you want to learn more about the Look and Say sequence, check out this video: https://youtu.be/z_OSQPFJF10. And check out the main channel Β @polymathematicΒ  ! It can be tempting to presume any sequence that looks arithmetic (that is, in which the terms get larger or smaller by the s

From playlist polymathematic #shorts

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What is the definition of an arithmetic sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is an arithmetic sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is the definition of a geometric sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is the difference between finite and infinite sequences

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is the alternate in sign sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is the formula for the rule for the nth term of a arithmetic sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What is a sequence

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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History of 3-phase Electricity & Distribution

Who invented 3-phase electrical distribution? Nikola Tesla? Mikhail Dolivo-Dobrovolsky? In this video I go through the detailed history from primary sources of this important EE discovery, how it works, and why it is important. Links: My mailing list (with a link for a video on the histo

From playlist "The Lightning Tamers": A History of Electricity

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What Is The Best Way To Sleep?

Please Subscribe! http://testu.be/1FjtHn5 A good nights sleep is critical for health, creativity, and even preventing disease and disorders. Are you letting your body rejuvenate properly? + + + + + + + + TestTube Plus is built for enthusiastic science fans seeking out comprehensive conv

From playlist Seeker Plus

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What Do Scientists Really Know About Polyphasic Sleep?

It is important to get enough sleep, but what happens when you get those eight hours in little naps instead of in one big chunk at night? Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a pat

From playlist Biology

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What is subscript notation and how does it relate to functions

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

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What If You Only Took Naps?

Just what exactly would happen to your body if instead of sleeping you decided to only take naps. - Thanks to LastPass for sponsoring this video! To create a LastPass account for free & support Life Noggin, go to: http://bit.ly/2LLSQLT Watch more: Live 200 Years? This Is How You Could Do

From playlist Latest Uploads | Life Noggin

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Tesla Fact vs. Fiction: Why the Public Perception is Wrong

Almost everything commonly told about Tesla is wrong! He didn't invent AC, he didn't battle Edison over AC vs. DC, he didn't even have a rivalry with Edison, he didn't want to give everyone free electricity and he wasn't a Physics genius! Referencing primary sources I can show you why we

From playlist "The Lightning Tamers": A History of Electricity

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Future of Sleep

In the future, will we eliminate the need for sleep? Is it possible to get by on just a few hours' rest, or no sleep at all? We take a look at slumberland and how technology might play a role in helping us get the rest we need. ------------------------------------------------------- Subs

From playlist Fw:Thinking

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Applied DSP No. 9: The z-Domain and Parametric Filter Design

Applied Digital Signal Processing at Drexel University: In this video, I introduce the z-Domain and the z-Transform, which provide key insights for DSP and an intuitive approach to filter design. == Errata == 2021-11-03: The slide describing the Shift Theorem (around 9:18) has 2 terrible

From playlist Summer of Math Exposition Youtube Videos

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Do We REALLY Need To Sleep? | Earth Lab

No one knows why we sleep, so do we really need it? BBC Earth Lab explains one of the animal kingdom's latest mysteries. "Subscribe to Earth Lab for more fascinating science videos - http://bit.ly/SubscribeToEarthLab All the best Earth Lab videos http://bit.ly/EarthLabOriginals Best of

From playlist Earth Lab Originals - Fresh from the BBC Earth Lab

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GRCon 2019 - Monday Lightning Talks

GRCon 2019 - Monday Lightning Talks

From playlist GRCon 2019

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Stuff They Don't Want You to Know - Deceptive Brain: Part 2

It's true that your brain may not be nearly as objective as you'd hope, but sometimes these eccentricities can work in your favor. Tune in to learn how you can hack your brain for better performance. http://howstuffworks.com http://facebook.com/ConspiracyStuff http://twitter.com/conspirac

From playlist Stuff They Don't Want You To Know

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What are the formulas for arithmetic and geometric sequences

πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric sequence. An arithmetic sequence is a sequence in which

From playlist Sequences

Related pages

Root of unity | Complex number | Integer