Graphs Definition and 625 Threads

Homework Statement Find all points of intersection of the two graphs r=sin \theta and r=cos 2 \theta The Attempt at a Solution sin \theta = cos 2 \theta I use the trigonometric identity cos 2x = (cosx)^2 - (sinx)^2 but it doesn't take me any further.

Homework Statement distance (cm) 0.0 5.0 15.0 30.0 50.0 75.0 105.0 140.0 time (s) 0.0 0.1 0.2 0.3 0.4 0.50 0.6 0.7 a. calculating the displacement during each time interval. Add to the above table of data. b. calculating the velocity of the cart during each...

I'm just posting a random graph algorithm problem for discussion fodder, since another interesting graph algorithm post was removed due to a threatening-sounding title and lead-up. This is from Cormen, Leiserson, Rivest, & Stein, 22.4-3 (not a homework problem of any kind, just for fun--I had...

I was having some trouble with a problem. The problem reads: Sketch the graphs of y = x^2 and y = -x^2+6x-5, and sketch the two lines that are tangent to both graphs. Find equations of these lines. I've graphed the two parabolas and drew the tangent lines. I've found the derivatives of each...

Hi, I have to draw this kind of graphs on the computer: http://img285.imageshack.us/img285/1690/image1nc4.jpg http://img427.imageshack.us/img427/6483/image2it9.jpg .[/URL] I tryed to plot the graph of the function in mathematica, export it into .wmf file and then add some of the lines and...

There's a series of questions in my homework that I don't understand how to do. They give a graph of f ', then say, given f(-1)=-3/2, sketch the graph of f on the interval [-2,2]. (with different numbers each time, of course) How would I graph f?

i was wondering how you would find the amplitude, vertical translation, horizontal translation and the sinusoidal axis either from just an equation, like 1/2(y-7)=cos3(x-60), or from the graph if you are given one.

Reaction Time? how can you find reaction time from a velocity time graph? anyone knows i need an answer asap thanks a lot =).

I have my original graph f, and I want to make 2 other graphs out of it (each with their own transformations.) g(x)=2g(1/2x+1) so it gets stretched vertically by 2, stretched horizontally by 2, goes left 1 and up 1. But my problem is with h(x)=2[g((x+1)/2)+1)] What are the transformations...

hi! a ball is dropped from a height of 1 meter above the floor. Take the origin to be the point from which the ball is released. would the graph be like a curved graph rising to the right starting from the origin? how would the graph look like if a car is parked on a steep hill? thank you

I am trying to scale the y-axis as follows: 0.1 0.4 0.8 1.6 3.2 6.4 12.8 25.6 51.2 102.4 204.8 406.9 819.2 I want the major units to double with each step up the y-axis, starting at 0.1 and terminating at 819.2. The problem is, I have no idea how to achieve...

[FONT="Comic Sans MS"][SIZE="4"]:shy: Plz. help me in plotting graphs like xsin(x),xsin(1/x) etc.Also give me tips and shortcuts to plots graphs like tan x -x or tell me any good piece of software to solve this problem

Ok, so as part of a lab, I had to make an excel graph of the relationship between skid distance and cone length (if you want to know more, look at my post below about science fair which was posted yesterday at 6:25 pm). Anyways, I made the graph and I can't tell the relationship between the two...

My excel does not allow me to change the spacings of the x-axis as it is shaded in gray. What should I do so I can change it?

this is my question: A Building sways 55cm to the right from origin in 5 seconds and 55 cm to the left of the origin in 35 seconds. And i am supposed to write an eqaution to define this. I'm guessing the is no amplitude no vertical translation and since it's sine basically I am going to...

A 2,0 kg body moves along a straight line. x={0,2,4,6,8,10,12,14,16,18,20} s f(x)={10,10,20,30,50,50,50,20,10,5,0} m/s a) Make a acceleration-time graph c) Calculate the average force working on this body

Hi, I was thinking about the following and would like some clarification. Suppose that we have a continuous scalar function f:R^n \to R with a critical point at say x_0, where the dimension of x_0 depends on the value of n. Consider as an example f(x) = x (n = 1). The point x = 0 is a...

Hi I've got a little question regarding the end bevhoir of this graph, x/(x^2-4) http://img20.imageshack.us/img20/5609/end7ht.jpg I think that determining the end behavoir is in relation to the x axis. So would the end bevhoir of the graph be from negative to postitive? (-/+) Thanks...

Can someone please tell me how to draw a VT graph from this DT graph? Thanks. Edit: Sorry, one more question. This is about unit conversions though. How do I convert 175 kg x m/h2 to g x cm/s2?

Can someone please explain to me how to draw a velocity-time graph from a distance-time graph? Are there any general rules about drawing a VT graph from DT graph? Thanks a lot.

What else can a browser do? ...Plot graphs! Check out this latest Firefox addon... https://addons.mozilla.org/extensions/moreinfo.php?application=firefox&category=Miscellaneous&numpg=10&id=1786 It does have its share of problems, but it's a great start! :approve:

Hi, I just need to learn in drawing graphs using a quadratic equation. Also I need to know how to find the minimum and maximum point and the line of cemetry from the equation (I need to know by proving it in the equation) Has anyone got any website to clearly learn about this? I know...

this is hard to explain because I can't post pictures of the two graphs, but I tried to draw them in paint. Here are the graphs: http://img.photobucket.com/albums/v629/ussjt/math.jpg 1) the question asks estimate f '(0), f '(2), f '(5), f '(7) when looking at at graph how do you determine the...

For f(x) = (2x + 5) / |3x - 4|, use graphs and tables to find the limit as x approaches infinity of f(x) and the limit as x approaches negative infinity of f(x)... Also identify any horizontal asymptotes... When i graph the function in my graphing calculator, it looks like y will never reach...

This is sort of a math question, sort of a signal processing engineering question. I've found 3D graphs of real vs imaginary vs time/frequency to be very helpful in my understanding of Fourier transforms, complex signals, and the like. Is there a convenient/clever name for these graphs? I...

How do i calculate Q transferred in a PV graph (Pressure / Volume)? More specifcally, when it is a slope. All that was given is pressure and volume from the graph. Also, in an isochoric process, how would one go about finding Q? I spent so much time on thermodynamics yet i still don't know...

Could anyone help/advise me please how to draw graphs for self-energy and Vertex functions given in attachments one and two. In attachment one Sigma is self energy in coordinate space, S - fermion propagator, here I have one question: I was reading something where I found these exppresions, but...

A police officer clocked a driver going 20 mph over the speed limit just as the driver passed a slower car. He arrested both drivers. The judge agreed that both were guilty, saying, "If the two cars were next to each other, they must have been going the same speed." Are the judge and police...

Hey, i got to do 2 experiements for physics to measure acceleraetion due to gravity, i did free fall experiment, dropping a ball from a certain hieght and measuring time n using the s=ut +.5 a t^2 forumula to get a and i need to graph this but i do not know what the two things i shot plot...

We've been working on acceleration and velocity in my physics class and I've got a question about velocity vs. time graphs. My assignment asks me to: A. construct a qualitative graph for v vs. t B. construct a quantitatively accurate v vs. t graph I'm pretty sure I know how to solve A...

im having troubles with this the teacher wants us to find hte instantaneous rate of reaction at time 60 seconds , so i trace 60 s to the graph and make a point where it meets. Now i draw a tangent to this point. This is what gets me, how long should this tangent me, because i kow i have to get...

A projectile is fired at an angle 30 degrees to the horizontal at a muzzle velocity of 450 m/s. Graph the radius of curvature as a function of x, and as a function of time. I'm pretty clueless here: Here's what I think: \vec a = (v^2/\rho)\hat {e_n} + \dot v\hat {e_t} where v is the...

Suppose you recorded the following data below during your study of the relationship of forces to acceleration. Plot the graph. Force (N) | Acceleration (m/s^2) 10 | 6.0 20 | 12.5 30 | 19.0 40 | 25.0 This is where I'm having problems: Write an equation for the line. (Recall that slope...

Can anybody tell me if in Mathematica there is a possibility to twist and turn 3D graphs like you can in Maple? I've only found a way to type in coordinates to turn it and that's really unconvenient...

Using Mathematica, does anyone know how to scale the axis equally in 2D graphs so that the grid formes perfect squares?

hi i am new to FEMlab and have to plot sielding effectiveness of magnetic materials using the software. but currently i have the following problems 1. plot current in quasi state in EM model 2. plot graphs 3. save my models in FEMLAB in .fl format 4. open saved models in .fl format do...

Does anybody know how to change the font and fontsize in graphs in Maple?

When graphing 2D X-Y in MathCAD there is an option to make the axis scale equal, but it doesn't seem to work like I want it. If the axis scales are equal, then the grid should always make perfect squares, but it doesn't. Especially if you start dragging the sides of the graph window. How can...

I'm wondering if someone knows how to plot graphs (functions of x) in AutoCAD? And also, is it possible to write exponentials in any way?

how do you calculate the rate of change in a graph?? is it just the gradient??

Hi all having a little problem with finding the limits on the area between 2 graphs. i can find the easy one such as: Find the area between y=x^2 and y = 2x which is: x^2 = 2x x^2 - 2x = 0 x(x-2) = 0 x = 0 & 2 but when i have a question like: Find the area between y=2-x^2 & y...

just been learning how to produce x-rays by firing electrons at heavy atoms, but i am a tad confused about the x-ray spectra graph with 'intensity' on the y and 'wavelength' on the x. it shows that the minimum wavelenth is produced wen intensity=0. how is this possible?

:rolleyes: I am havin a bit of trouble w/ a graf here... its about resonance waves in resonance tubes and i have a straight line graph when i plot the values of length of the wave vs. 1/frequency. the problem is, i don't no what this line/slope is meant to represent? and it doesn't run through...

ok, here is the question: Let G be a graph with minimal degree \delta(G) = 5, but suppose there exists only one vertex v\in V_{G} such that d(v) = \delta(G). Prove that G is not planar. ok, i can do this visually. if i draw the vertex v and its edges to its points, and then draw points...

how exactly do you go from a graph of a function to plotting the graph of the derivative of its function? ex: y=f(x) .. this is just the general shape with the intercepts(check the attatchment) im not sure but when going from the original function to its derivative, does the function lose...

Does anyone have an idea how can we represent certain properties of a graph using second-order logic, versus fixed-point logic : like saying that a graph has an even number of edges I've been trying to find a way to solve this for the past two days ! Any help? Anyone ?

How can we write a sentence in first-order logic that says that a graph has exactly 6 edges? i.e. G= (V,E) (logically implies) iff |E|=6 :eek:

Hi, I've done most of my homework, but can't figure this one out. If anyone could explain what to do, I would really appreciate it. *i got 78 for an answer, but its wrong* It is exactly noon. The hour hand of a clock is 8cm long. If the top of the clock is 50 cm from the ceiling and the...

Is there any program online that can draw graphs ie. absolute value graphs, quadratics, cubics ...

hmm...ok. First, what is a force-time graph? ...How do i read from a force-time graph? What can i derive from a force-time graph? any advice? o:)