What do convergence and divergence mean? And why do they …
I understand that when a series diverges, y doesn't approach 0 when x approaches infinity, and converging series do. But what does this say? I just want to understand some applications. …
Identifying Converging and Diverging Lenses: Explaining with …
Feb 1, 2005 · To determine whether a lens is converging or diverging, analyze the behavior of the principal rays after they pass through the lens. A convex lens will cause rays to converge at a …
What is the difference between convergence of a sequence and ...
Nov 23, 2014 · I'm preparing for my calculus exam and I'm unsure how to approach the question: "Explain the difference between convergence of a sequence and convergence of a series?" I …
stochastic processes - Given stopping times $S_k$ such that …
Oct 25, 2025 · Let $(S_k)^\\infty_{k=0}$ be a sequence of stopping times of a filtration $(\\mathscr{F}_t)_{t\\in\\mathbb{N}}$ in a probability space $(\\Omega,\\mathscr{F},\\mathbb ...
Is the Sequence x_{n+1}=\\sqrt{2x_n} Converging? - Physics Forums
Feb 18, 2012 · Homework Statement Show that \\sqrt{2},\\sqrt{2\\sqrt{2}},\\sqrt{2\\sqrt{2\\sqrt{2}}} converges and find the limit. The Attempt at a Solution I can write it also like ...
Is there a pressure ratio limit for choked flow through a c-d nozzle ...
Jun 21, 2024 · Could line "b" become choked if the diameter at point 3 was increased? If so, what is the limit for the diameter and angle of the divergent section of the nozzle? Is there a point at …
Is it possible to have a Mach number greater than 1 at the throat?
Mar 5, 2012 · I have a question on Gas Dynamics, we were going over a problem in class in which the problem asks to solve for the Mach number at the throat of a converging-diverging …
Why is my COMSOL solution not converging? - Physics Forums
Aug 12, 2009 · Hello, I'm a 2nd year student, and I'm trying to get to know COMSOL. I'm starting off by solving simple problems with the incompressible Navier-Stokes model, but I keep having …
Location of object that forms an image in 2 lens system
Mar 11, 2015 · Homework Statement Two converging lenses having focal lengths of f1 = 12.5 cm and f2 = 19.5 cm are placed a distance d = 49.0 cm apart as shown in the figure below. The …
Pointwise vs. Uniform Convergence - Mathematics Stack Exchange
Start by proving that uniform convergence implies point-wise convergence.