Graphs Definition and 625 Threads

Homework Statement Calculate the minimum vertical distance between the cubic y=x^3-x^2-4x+4 and the parabola y=-2x^2+16x-30, when x is positive. Homework Equations y=x^3-x^2-4x+4 y=-2x^2+16x-30 The Attempt at a Solution I have no idea at all how to work this out, so perhaps someone...

I want to create a Matlab script which takes images and plots a graph of image intensity versus position. Currently created a script like this: %Create video input object vid = videoinput('winvideo',1,'RGB24_640x480'); % Set video input object properties for this application. % Note...

Hi, How can I plot some 2d graphs in a 3d fashion like the following picture using excel or matlab? Any idea is appreciated.

Hello, Let's start with a cellular decomposition of 3-space, a "foam". A foam can be represented by its dual graph: cells and faces are dual to vertices and links. What about the opposite? It is clear that one can construct graphs for which no dual foam exists: take a large foam and...

Hi, I have just started to learn C++ after a year programming with IDL. I realize this is probably a really stupid thing to be asking but what syntax should I use to display my data. To start off with I just want to plot a simple x-y graph. I have my arrays all ready, what do I type? Can C++...

Homework Statement Draw the graph of y = 3x + 60/x - 35. Range : x= 1.5 less than or equal to 10 y= 9.5 to 1 Find Gradient **Find solutions to the equation 4x + 60/x = 40 by drawing a suitable line. Homework Equations none The Attempt at a Solution The graph is...

Hello, just got done taking a test and one problem kinda confused me. Homework Statement f(x,y) = e^x cos y find local min/max and saddle points Homework Equations fx = e^x cos y fy = -e^x sin y The Attempt at a Solution I answered that there were no critical points for...

I want to write my math homework electronically. I need to make graphs, number lines and intervals, geometric/trigonometic figures, and other sorts of graphics, and I need them to align well with the problems they solve. See below 1. [Homework problem solved out step by step] [graph or...

Homework Statement So i have collected the following data and it now asks me to present the information in an appropriate graphical form but I am not sure how. mode – = 29 liters Median – = 36 Mean – = 35.13 Range – = 17 Standard deviation = 4.87 Interquartile range = Q3 – Q1...

how to understand each sub grap all those lines inside http://i46.tinypic.com/124j3hd.jpg

Homework Statement Sketch the graph of x ^ (4/9) * e ^ (-x) Homework Equations None. The Attempt at a Solution My y' = -x ^ (4/9) * e ^ (-x) ( 1 - 4/9x ^ 1/9). I keep on getting a reaaally long derivative for y'' and thus cannot place it on my sign table. Could someone please...

Homework Statement Let f be the function given by f(x) = 3e^2x and let g be the function given by g(x) = 6x^3. At what value of x do the graphs of f and g have parallel tangent lines? a. -0.701 b. -0.567 c. -0.391 d. -0.302 e. -0.258 Correct answer is c. -0.391 Homework...

Hi all, If I have to prove that the graph G and its complement G' are isomorphic, then is it enough to prove that both G and G' will have the same number of edges. Intuitively its clear to me, but how do I prove this. If there's a counterexample, please post. Thanks in advance.

Hi all, I am currently self studying a chapter on Modern Analytical Chemistry. One part talks about interpreting NMR graphs and I understand the basic gist of it, however, I don't understand how to find the integrated peaks. I've looked extensively online and I now understand that you have to...

For a graph of any function, one of following conditions is said to exist so as for it to be symmetric: a graph is symmetric about y-axis if along with a point (x,y) a point (-x, y) exists. a graph is symmetric about x-axis if along with a point (x,y) a point (x, -y) exists. a graph is...

Hey! For a lab, I have to make a few graphs, I just need some clarification. Please correct me if I'm wrong. For a D-T graph, where velocity is constant, the line will be straight. (Diagonal.) For a V-T graph, where velocity is constant, the line will be straight. (Horizontal) ^ Confused...

Hi. We are given a table containing values of mass(m) and time(t). We have been asked to plot graphs of (m) against (t) and then log(m) against (t). The question is: FROM YOUR GRAPHS, DETERMINE THE FUNCTION FOR THE RATE OF DECAY. Of course i know the formula but have no clue how to...

Can anyone direct me to a good source of graphs of galaxy rotation curves. I need graphs that show both the observed curve data points and the expected curve along with the names of the galaxies and labeled axis. Thanks

Alright let's says for example we were to sketch y=(x-2)(x-3). You would find x intercepts and you would write it as x-2=0 OR x-3=0, thus x=2 OR x=3. Why do we use the word OR when we use both of the intercepts to sketch the graph anyway? Why cannot we use AND instead.

Good day to all, 1) I find difficulty on putting two 2D graphs into one figure. If same command it is easy to do but i have different commands, the commands are listlineplot and plot...

find the exact area between y=ex, y=2, and the y axis im not looking for a solution, just hints on how to get started. would i just go ahead and integrate the function from 0 to 2 or would i solve the function for x and then integrate or are those 2 idea just completely wrong? thanks

In general, if f(x)=k but only for a < x < b and c < x < d how would you integrate the graph ? To find the mean for example, would you find the mean for each and add together, or is there some special thing for this case?

I find the equation of beat: x(t) = [\frac{2F_o}{m(w_o^2 - w^2)}sin(\frac{(w_o - w)t}{2})]sin(\frac{(w_o + w)t}{2}) What values do I get to F_o, w_o and w to generate the graph ? I use program maple to plot graph.

Consider the functional: (1) \mbox{ }e^{iW[J]} = \int d \hat{\phi} \mbox{ }e^{i\int d^4x \mbox{ } \mathcal L(\hat{\phi})+J\hat{\phi}} Define a Legendre transformation to get a functional in \phi(x) instead of J(x): (2) \mbox{ }\Gamma[\phi]=W[J(\phi)]- \int d^4x \mbox{ } J(\phi) \phi...

Homework Statement Using a simulation program I must determine cable length (lambda), area specific conductance (Gm) and internal resistivity of a cell. The program allows you to inject a current (in uA) and change the electrode distance from the centre of the cell. The simulator...

So I have a lot of physics labs to write up, and when drawing graphs (using experimental data) I have a tough time 1)Determining the best scale so my graph is as big as possible. 2)Determining the best scale so intercepts(y) appear on my graph. Also, I would like help on "breaking the...

I have a function, S[q] which is obtained by integrating another function, A[r,q] over r. My problem is that the lower limit of integration, rmin depends on q in a complicated manner. Mathematica can however solve this equation to give several routes, only one of which is real which is the...

Homework Statement http://img704.imageshack.us/img704/5760/pqg.jpg Homework Equations The Attempt at a Solution So i know that graph 2 is C also i know that A and G can't be any of those because its a circular shape.. the rest i have no idea how to do in order to get those...

Draw graphs?? Homework Statement A stone of a mass of 5kg drops through a distance of 15m under the influence of gravity. Draw graphs of the work done by the stone and the power of the stone as a function of time. Discuss your results. Homework Equations Work=(force)(displacement)...

the graph of y=kx+3 intersects the graph of y=x^2 +8x at two distinct points for 'k 'equals what? to be honest I do not know where to start

Homework Statement I have two functions in MATLAB that return y1 and y2 as the solutions and both functions depend on x. I plotted them on the same graph and there is a gap between the graphs as expected (i.e they are not on top of each other). Now, what i want to do is find the difference...

Homework Statement Compute the area of the region S between the graph of f and g over the interval [0,2] if f(x) = x(x-2) and g(x) = x/2 Homework Equations The Attempt at a Solution The result is a(S) = \int_0^2 [g(x) - f(x)] dx = \int_0^2 (5x/2 - x^2) dx = 5/2...

Homework Statement r1= 1+sin(theta) r2= 5sin(theta) Homework Equations see above? The Attempt at a Solution totally stumped. usually i would set the two curves equal to each other, but i have no idea how to do that. using my ti-89's solve function just gives me a weird answer...

Hi everyone. I am familiar with the graphing of y² graph which is essentially sqrt of the graph then reflected in the x-axis. However, I am confused at the points where the y= graph cuts the x-axis. According to differentiation, the gradient of the sqrt y graph should have a sqrt y at the...

Am I correct to say that a function that is linear on a log-log graph is also linear when it is plotted on a graph using regular scales on both axes, takes a square root form when plotted with the x-axis scaled regularly and the y-axis with a log scale, and exponential in appearance whn the...

Homework Statement I have been given this equation : 4/5 X 2^x I have drawn the graph. Now, I was asked to draw the graph of y = 8 – 2x by using the 1st equation above. Can you help me in doing so? I know that the 1st Co-ordinates is (0,8) how can I find the other co-ordinate to...

Homework Statement If we have a function f with respect to t, given: h=a/n t=i*h so this means, t depends on n. I have a function in MATLAB named num.m: where n is the only input and. My question is: if i num(10) i can generate a graph of t (x axis) against f (y axis) by the command...

I have just done this experiment where i have a cart roll down a ramp and a ticker tape timer does its ticks on a tape atached to the cart. already i can make a postion (or displacement from a dot of reference)- time table. for 1.0 second going down the ramp i all ready have finished the...

Homework Statement $\displaystyle \Large y = \ln (x + \sqrt{x^2 - 1})$ Homework Equations The Attempt at a Solution i used my graphing calc.. but that's not the point. how do i do this question? i mean, how do i find the graph of that function?

Homework Statement I need to know the units of the slope. What the slope should be. And the percent error. Pictures: http://imageups.com/files/101/456.PNG Graph 1 is function of period(1/s^2) v weight of washers(N) r=.77m mass of rubber stopper= .02kg Homework Equations f(t)=1/t^2 w=mg...

Homework Statement Plot a displacement-time, velocity-time, and acceleration-time graph for a wheeled cart that rolls down an inclined plane. Already finished the displacement-time graph, but am questioning the correctness of the v-t and a-t graphs. What should they look like? (Like d-t...

So i am in Grade 11. I have the worst teacher in the school, she cannot teach 4 ****. I need to know how to do you convert a Position/ Time graph into a Velocity/ Time graph and how do you convert a velocity/time graph into a position/time graph? - PLz if someone could help me out with...

Momentum & Net Force Question Okay, so I got the previous question I asked and I had another new question to ask so rather than make a new topic and seem like I'm spamming the forums, I just decided to edit my original post. I just hope no one replies to my old post while I'm writing this one...

Hi there I would like to plot a two/several functions using Maple on the same graph but with different intervals on the x exis. What I have at the moment is a Maple command for plotting two/several functions on the same graph with the same interval on the x exis. Thanks Amos

Homework Statement Suppose we define {x} to be the distance from x to the nearest integer. a) Sketch the graph of f(x) = {x} b) " g(x) = {2x} c) " h(x) = {x} + 1/2{x} d) " all points (x,y) which satisfy {x} + {y} =...

Homework Statement A .5 kg cart moves on a horizontal surface. The graph of vx,t is attached a) Indicate all time cart is at rest b)indicate every time interval for which the speed is increasing c)determine the horizontal position of x of the car at t=9s if the cart is located at x=2 @...

Homework Statement Three particles move along the x-axis, each starting with v= 10m/s at t_0 = 0s. The graph for A is a position-versus-time graph; the graph for B is a velocity-versus-time graph; the graph for C is an acceleration-versus-time graph. Find each particle's velocity at t = 7.0s...

Homework Statement Then identify which of the v vs. t graphs match p vs. t graph http://eport2.cgc.maricopa.edu/published/w/ea/weaver/survey/172/1/image.30092.jpg Homework Equations I'm still a bit confused on if I have successfully grasped the conversion of pt graphs to vt graphs The...

1. See Attachments 2. None 3. 1st Attachment #19 I believe that I am suppose to multiply (x-2)(x+2) but what do i do about the symmetric with an origin? 2nd Attachment I do not get what they are asking for in the 2nd and 3rd part of the question can you please explain it to me...

A.C. Circuits -- Graphs http://img136.imageshack.us/img136/5782/image64.jpg In this graph, the curve of current is larger than that of voltage...but in some books the voltage curve is above the current curve (like the one below)...Which one's correct?