MATLAB is an abbreviation for matrix laboratory. While other programming languages mostly work with numbers one at a time, MATLABÂ® is designed to operate primarily on whole matrices and arrays. All MATLAB variables are multidimensional arrays, no matter what type of data. A matrix is a two-dimensional array often used for linear algebra. Array Creation To create an array with four elements in a single row, separate the elements with either a comma (,) or a space.
How David Blaine Held His Breath. David Blaine sits atop a sphere where he set a new world record for breath-holding, Wednesday, April 30, 2008, at 17 minutes and 4.4 seconds, during a live telecast of The Oprah Winfrey Show in Chicago.
With the benefit of breathing pure oxygen first, the current Guinness World Record for holding your breath underwater is held by Ricardo Bahia of Brazil at a whopping 20 minutes 21 seconds! Most people in good health can hold their breath for approximately two minutes. Experts believe that even a little bit of practice can increase that amount of time quite a bit.