As you know, I tried
assume(-b <= y, y <= b, c <= z, z <= a+c)
and it didn't help. Is this because it gives Maple no new information because the definite integrals already provided this information?
worked wonders. I tried this too
and it seemed to do good things also. Here is a worksheet:
View 4937_Page92JohnFredsted.mw on MapleNet or Download 4937_Page92JohnFredsted.mw
View file details
Can you help me understand what assuming does here?
Here is a quote from page 92 and 93 of When Least Is Best by Paul J. Nahin:
"...set the derivative...equal to zero and solve...proves to be an astonishingly ugly business!"