Graph Definition and 998 Threads

Homework Statement Homework Equations Vs=Vi(1-e^-t/T) The Attempt at a Solution I am stuck on B. I am not sure how I am supposed to graph Vo with so little information. Do i just use V=Vo(1-e^-t/T) and find the output voltage for each time increment that is on the original graph. So...

Homework Statement Homework Equations Recursion, graphs, DFS The Attempt at a Solution To try to solve this algorithm, I first need to find all the basic cycles in the Graph G. When I have these cycles, I can simply pick the smallest edge in each of them and add them to the set F, while...

Homework Statement Homework EquationsThe Attempt at a Solution This is more of a help with understanding problem. I understand a) and b), but for c), I don't understand: 1. Why is the distance from t=12-16 -20 m and not +20 m? Isn't there a positive slope? I thought this question was asking...

what are the different kinds of input can be given to make a pose graph?

What does the function even mean?

Homework Statement Homework Equations Kinematic equations t = 18s when the velocity is back to 54km/h or 15m/s at t = 2, V = 13.3 m/s at t = 4.5, velocity is 1.5 m/s at t = 1, V = 15m/s The Attempt at a Solution I have solved the first part and I have the time at which it is 54km/h again, but...

Homework Statement http://m.imgur.com/tAbHL6S[/B]Homework Equations Velocity=displacement/time The Attempt at a Solution I thought B at first because they start at the same position, so their relative velocities would determine their relative positions, but I guess not since the answer is...

Homework Statement https://bb9.waukesha.k12.wi.us/bbcswebdav/pid-692070-dt-content-rid-2436419_1/xid-2436419_1 The graph above was made from acelerometers placed on a person while experiencing a bungee jump. The graphed data is not smooth because it is real data. The positive direction is...

Okay I feel really stupid for getting wrong omega for such a trivial problem. 1. Homework Statement Find the function of e(t) = A* sin(wt + fi) Homework EquationsThe Attempt at a Solution A = 0.9 V at t = 0 e(t) = -0.35, and therefore: -0.35 = 0.9 * sin (w*0 + fi) / * arcsin arcsin(-7/18)=...

Homework Statement let there be ##\beta(t+\tau)^{-2}e^{-3}cos(at^{3})## where ##\beta##, ##\tau## and ##a## are constants Homework Equations ##\beta(t+\tau)^{-2}e^{-3}cos(at^{3})## The Attempt at a Solution I know the graph is going up and down exponential but how can I draw it more...

The cut-off wavelength is the minimum wavelength of the X-ray emitted. But doesn't minimum wavelength correspond to maximum energy? Why is intensity zero at minimum wavelength? Shouldn't it be maximum when wavelength is minimum since ##\lambda=\frac{hc}{E}##

Homework Statement I am given the current flowing through a 2 micro-farad capacitor in the form of a graph, and I need to create a voltage graph from this. Homework Equations I = C dv/dt Q = VC The Attempt at a Solution The current graph is basic with a constant 4 mA from 0 to 4 microseconds...

I am so far able to find the domain, intercepts, concavity and increase/decrease. But I am stuck at finding the asymptotes for the graph. I think there is no vertical asymptote or is there one at x=-1? I think the horizontal asymptote is y=pi/4

Homework Statement 1. How many vertices will the following graphs have if they contain: (a) 12 edges and all vertices of degree 3. (b) 21 edges, three vertices of degree 4, and the other vertices of degree 3. (c) 24 edges and all vertices of the same degree. Homework Equations "Theorem 1 In...

Hello, I have been doing research with a certain biological substance and its capacitance and conductivity. The following graphs are from a computer connected to a BDS (broadband dielectric spectrometer): I understand the fundamental units, but Re(C'), Re(C''), Re(σ'), lm(σ'') do not make...

Homework Statement I can't understand this paper. I understand the whole incidence matrix stuff, but I don't quiet get how it relates to the linear algebra. I don't know if this is allowed to do, but I will ask you questions line by line, so basically you will read the paper with me explaining...

Homework Statement A. Show that n^n−2/n! < T(n) by looking at how the symmetric group Sn acts on labelled trees. Use |Sn| = n! T(n) is the number of unlabeled trees on n vertices Homework EquationsThe Attempt at a Solution I can't find any mathematical relation between labelled trees and...

Homework Statement The rocket car is subjected to a constant acceleration of Ac = 6 m/s^2 until T1 = 15 s. The brakes are then applied which causes a deceleration at the rate shown until the car stops. Determine the maximum speed of the car and the time T when the car stops. Homework Equations...

Homework Statement The a-s graph for a rocket moving along a straight horizontal track has been experimentally determined. If the rocket starts from rest, determine its speed at the instants s = 20m, 50m, and 70m, respectively. On the graph, S1 = 50m, a1 = 10 m/s^2, S2 = 70m, and a2 = 20 m/s^2...

Homework Statement A small bar magnet is being slowly inserted with constant velocity inside a solenoid as shown in figure. Which graph best represents the relationship between emf induced with time Homework Equations ε = -dφ/dt φ = B.A The Attempt at a Solution Since the magnet is brought...

Homework Statement Exercise 0.1. Suppose that G is a finite graph all of whose vertices has degree two or greater. Prove that a cycle passes through each vertex. Conclude that G cannot be a tree. Homework EquationsThe Attempt at a Solution If every vertex in a graph G has degree two or...

Homework Statement Let G be a connected graph. We say that G is minimally connected if the removal of any edge of G (without deleting any vertices) results in a disconnected graph. (a) Show that a connected, minimally connected graph has no cycles. (b) Show that a connected graph with no cycles...

Homework Statement Prove that a complete graph with n vertices contains n(n − 1)/2 edges. Homework EquationsThe Attempt at a Solution The solution gives and inductive proof, but I am just wondering if this works as well. If we have a set of n vertices or points and we try to match all...

if x+y ≥ 2 it contains all the point in the line x+y =2 and the half plane above it. but ,graph if x-y ≥ 2 then if consider a line x-y= 2 the inequality represents the line and the half plane below it . i don't understand why it represents the half line below it why not above ?

Could you give me some hints at how to answer Q12 part a please?

There seems to have been a major step forward in complexity research. somebody wrote a pleasant understandable piece about it in Quanta magazine. https://www.quantamagazine.org/20151214-graph-isomorphism-algorithm/ I gave the title an "intermediate" tag because the graph isomorphism problem is...

On http://mathworld.wolfram.com/HeartCurve.html, the nicest heart-shaped curve is given by x=16sin3t y = 13 cos t-5 cos(2t) -2 cos (3t) - cos(4t) There are evidently two values of t, one in the first, one in the second quadrant, where you can get a horizontal tangent to this shape. Asking...

when i was reading a supplementary notes doc from open course ware fro MIT on single variable calculus there was a description about a graphical representation of a single valued function as " if each line parallel to the y- axis and which passes through a point in the domain intersects the...

when i was reading a supplementary notes doc from open course ware fro MIT on single variable calculus there was a description about a graphical representation of a single valued function as " if each line parallel to the y- axis and which passes through a point in the domain intersects the...

Quanta Magazine published this article on a potentially new algorithm for graph isomorphism by Prof Laszlo Babai of the University of Chicago: https://www.quantamagazine.org/20151214-graph-isomorphism-algorithm/ There's a reference to the Arxiv preprint here: http://arxiv.org/abs/1512.03547v1

Hello everyone, Is the graph ## (2^x - 1) / x ## defined at x = 0? When I plot this graph there is no spike at 0 because 0/0 is undefined? Is the computer unable to show this? I am finding the limit as x approaches 0. From the graph limit exits but does f(0) exist? Sehr Danke.

Homework Statement Are the 2 graphs isomorphic? Homework EquationsThe Attempt at a Solution Both have same vertices, edges, set of degrees. But I failed to prove isomorphism by adjacency matrices.

Homework Statement A particle of mass m=4.0 kg is moving along the x-axis. The particle is being acted upon by a variable single force F⃗ , directed along the x-axis. At t=0 s, the particle is moving at v_0=−3 m/s. What is the first time t>0 when the particle comes to a stop momentarily...

Homework Statement I have the following algorithms: Prime MST with array, Prime MST with priorityq and Kruskal with priorityq. I have to choose the best algorithm to find the minimum spanning tree on a planar graph. A planar graph has the property in which the number of edges is in O(number of...

Okay, so say we had the following situation: An object accelerates from rest to 3 m/s in 1 second. It then maintains this velocity for 2 seconds before decelerating to a velocity of -3 m/s over the span of 2s. It maintains this velocity for a further 2 seconds. The object then accelerates back...

I have to calculate Mu for the force of static friction of different shoes of different surfaces, which I was able to do. Then, our teacher said to include graphs in our lab report, however I'm not sure which graph to use. What would the axis' be and what kind of graphs should be used?

In my text, it tells me to find the eigenvectors of a 2nd difference matrix and graph the eigenvectors to see how they fall onto sine curves. imgur link: http://i.imgur.com/oxbkTn6.jpg My question is simple but general. What does this even mean? How did they produce this graph from the...

Homework Statement Between t = 0 seconds to t = 2 seconds the velocity is 3 m/s ihat. Between t = 2 seconds and t = 6 seconds the velocity is -2 m/s ihat. I need to know what the position is at each second. Homework Equations Position = velocity * dt The Attempt at a Solution I know that the...

Homework Statement So should i take the area under the graph or something Homework Equations And is in the future i Tackle such problems what are the key thing to remember[/B]The Attempt at a Solution Tried subtracting the areas no use xd[/B]

Hi, I'm thinking of doing an experiment related to Newton's law of cooling, just a simple heat up a liquid to a temp graph its rate of cooling, repeat for different liquids. I was thinking of seeing if from this graph I could calculate the specific heat capacity of the liquid, but I don't know...

Homework Statement A screen grab of a DataStudio run with a cart being pulled by a rubber band connected to a force sensor attached to the end of the track is shown below. The two graphs have the same horizontal axis: position of the cart from the motion sensor. The vertical axis on one graph...

Homework Statement Problem: how do we know for sure if x is <0 for point A? Vx-t is a graph of particle's speed over time. x represents position of the particle at any given time The Attempt at a Solution From the function that we can see on the left side of the picture we can deduce the...

1. Homework Statement A piece of work I am doing for college (UK college that is) has me investigating the inverse square law for gamma radiation. I have collected data and the graph comes out looking right. I want to create a linearised graph of the data to investigate the results further. If...

Homework Statement Prove that no more than 3 edges can be added to G while keeping it planar and simple. (The graph in the image is graph G) Homework Equations For a connected, planar, simple graph G, with E edges and V vertices: E ≤ 3V - 6 The Attempt at a Solution At first, we have 9...

Homework Statement In an experiment, I measured the effect of mass on the acceleration of a cart, rolling down a leveled air track. I then graphed acceleration vs. mass (m'), where: m' = m / (M+m); M = mass of the cart, m = hanging mass, which was increased with subsequent trials. Homework...

1. I'm given time (s), extension (mm), tensile stress (mPa), and tensile strain (%) in a table. I'm supposed to graph it on excel, but my graphs don't look at all like a stress-strain graph. 2. I think it's probably because I'm using tensile stress or strain? Or is it an excel error I'm doing...

Homework Statement See attached image. Match the type of system or situation to the appropriate energy level diagram. 1) hadronic (such as +) 2) idealized quantized spring-mass oscillator 3) nuclear (such as the nucleus of a carbon atom) 4) vibrational states of a diatomic molecule such as O2...

I would like to plot a number of 3D graphs from different data files. For example I am using fid = fopen('SS 1.dat','r'); to read the first file and then plot a graph. How to set the program to change the name to 'SS 2.dat' automatically? Also for the tenth file the name becomes 'SS 10.dat'...

How do you find a normal vector of a function at a point, such as f(x,y)= ax^y+yx^y^x+b at (X_o,Y_o) where a and b are just arbitrary constants, and the function is an arbitrary function. So I guess, what is the general steps you take to find the normal? I thought it had to do with the...

Homework Statement A 1D wave function ψ(x,t) satisfies these initial conditions: ψ(x,0) = 0 for all x ∂ψ/∂t (x,0) is v for -a≤x≤a 0 otherwise Plot ψ(x,t) as a function of x at time t=a/v. Homework EquationsThe Attempt at a Solution I know the 1D wave equation is given by...