David M. Axelrod is an American political operative and political analyst, best known as the Chief Strategist for Barack Obama's presidential campaigns. After Obama's election, Axelrod was appointed as Senior Advisor to the President. Axelrod left the White House position in early 2011 and became the Senior Strategist for Obama's successful re-election campaign in 2012. He currently serves as the director of the non-partisan Institute of Politics at the University of Chicago and is a Senior Poli
Acceleration The slope of the line of a speed-versus-time graph will give you acceleration.
The magnitude of the gradient tells us how quickly the image is changing, while the direction of the gradient tells us the direction in which the image is changing most rapidly. To illustrate this, think of an image as like a terrain, in which at each point we are given a height, rather than an intensity.e will see that the gradient allows us to answer this question. Letâs consider how the image changes as we move from position (x,y) by a small amount, â, in an arbitrary direction Î¸, which will take us to the position (x+ â cos Î¸, y + â sin Î¸). At (x,y) the image intensity is I(x,y) .