Thread: 6÷2(1+2) = ? View Single Post
April 28th, 2011, 07:48 PM   #52 (permalink)
330D

Join Date: Mar 2010
Location: upstate NY
Posts: 2,863

Device(s): Googlerola Droid Maxx, Moto Spyder, HTC Knight retired, HTC Hero retired,
Carrier: Not Provided

Thanks: 507
Thanked 784 Times in 519 Posts

Quote:
 Originally Posted by EarlyMon Um. f(x) is literally function of x - and does not mean the variable f is applied to x. How about functions of the form - where the last sum is simply the first sum rewritten using the definitions ξn = n/T, and Δξ = (n + 1)/T − n/T = 1/T.No. In the above example, there is no variable f that is applied to variable x. The f in f(x) is simply a placeholder - for the operations that are applied to x. We've been trained to think that way for a reason. Commutation - it comes from commutation notation and means 2*3. Honest. So, by direct evaluation, the equation must become 6/2*3 - as had been said before.

This post makes me realize how much I dislike math. (That is math, right?)