BBC

Determine the equation of a quadratic function from its graph

In this part you do not have to sketch the graph and you may even be given the sketch of the graph to start with. For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following diagram ...
JSTOR Daily

Nonparametric Estimation of Regression Function Using Linear Combinations of Sample Quantile Regression Functions

Consider the regression model Y = h(x)+ε, where h is an unknown smooth regression function and ε is a random error with unknown distribution. To estimate the ...
JSTOR Daily

A Graph-Theoretic Approach to the Method of Global Lyapunov Functions

This is a preview. Log in through your library . Abstract A class of global Lyapunov functions is revisited and used to resolve a long-standing open problem on the uniqueness and global stability of ...
JournalofAccountancy

Using Excel’s TEXTBEFORE AND TEXTAFTER functions to easily tame messy data

Q. How do the TEXTBEFORE and TEXTAFTER functions in Excel work? A. Excel’s TEXTBEFORE and TEXTAFTER functions allow users to quickly split up text in ways that used to require combinations of ...
Nanowerk

Nanoenzymes designed with a unique combination of structure and functions

(Nanowerk News) Researchers at the UAB have designed minimalist biostructures that imitate natural enzymes, capable of carrying out two differentiated and reversibly regulated activities thanks to a ...