Σ This symbol (called Sigma) means "sum up"It is used like this:Sigma is fun to use, and can do many clever things. Learn more at Sigma Notation.You might also like to read the more advanced topic Partial Sums.All FunctionsOperators...
When used in summation notation, the uppercase sigma has a small number on top and an index number below the symbol. The index number is usually expressed in terms of i = number. The index number references the starting value, while the top number indicates the ending value. This means ...
This seasonal slowdown often results in greater availability and, in some cases, more competitive pricing. Hiring skilled professionals during the fall means you’re more likely to secure experienced workers who can focus on delivering quality results. Moreover, contractors may offer seasonal discounts ...
Lindsay clarifies, “Beta is an insult. (It means) ‘You’re inferior to me and I’m better than you.'” ‘What the sigma?’ According to Lindsay, “What the sigma?” is traced to a SpongeBob SquarePants internet meme (which a spokesperson of Nickelodeon tells TODAY.com is fan-create...
The AD1941 is always a slave on the I2C bus, which means that it never initiates a data transfer. Each slave device is recognized by a unique address. The AD1941 has four possible slave addresses, two for writing operations and two for reading. These are unique addresses for the device ...
I love Sigma, it is fun to use, and can do many clever things. So means to sum things up ... Sum whatever is after the Sigma:
For example:This means that we are to repeatedly add kak. The first time we write it, we put k = 1. That is indicated by the lower index of Σ. The next time, we put k = 2, then 3, and so on, until we come to the upper index, which in this case is 4....
If a company is doing large scale, high-quantity production like Toyota; then a process with waste in it means that company is creating large-scale, high quantity waste. No company wants to do this. The Lean approach uses tools to analyze the business process. Five principles of lean manufa...
Suppose that a term in a logistic regression equation is 0.687*MallTrips, as in Figure 17.19. Explain, exactly what this means? Middle 50% of WAIS's. Recall that the Wechsler Adult Intelligence Scale scores are calibrated to vary according to a normal distribution with [{MathJax fullWidth='...
Even if you don't have teens or pre-teens in your house, you still may have heard the phrase "what the sigma." Before you play cool by acting like you know what it means when you actually don't, let's breakdown what those kids are saying. ...