Abstract: This article introduces quaternion non-negative matrix factorization (QNMF), which generalizes the usual non-negative matrix factorization (NMF) to the case of polarized signals.

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Anthony Battle is a CERTIFIED FINANCIAL PLANNER™ professional. He earned the Chartered Financial Consultant® ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Borrowers generally fall into two main types of classifications, depending on their credit score — prime ...

A section of Sri Lankan nationals living in camps in Tamil Nadu, has launched a campaign requesting the Prime Minister of India to remove them from the definition of “illegal migrant” in the ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. There's more to getting a credit card than your three-digit credit score, but lenders will always look at ...

Find one million consecutive positive numbers, none of which are prime. Ancient math tells us that prime numbers (2, 3, 5, 7, 11, ...,), which have no factors except for 1 and themselves, go on ...

ABSTRACT: By our suggested definition, an even number Ln is called the largest strong Goldbach number generated by the n-th prime Pn if every even number from 4 to Ln is the sum of two primes not ...

Jeremiah Bartz owns shares in Nvidia. A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like ...

A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

The film features a muskox named Lola who struggles with dividing fractions despite being intelligent in other areas of math. Her friend, Arthur the Arctic Fox, teaches her how to approach dividing ...

Those who subscribe to Apple TV+ are all too familiar with the streamer’s quality-over-quantity approach to content creation. The service has already made waves with inventive new television shows ...