why is the anonymous function slower than a function call

I have the following test. I run a for loop and use it to populate the sigma value of a gaussian distribution. I then either call a function or evaluate the expression directly or call a function handle or use an anonymous function. The latter is the slowest. Why? Here is my code for the test: % define inputs ...

from Google Alert - anonymous http://ift.tt/2HeTksB
via IFTTT