Graphing Definition and 499 Threads

Hello everyone, I was wondering what software you all find useful for analyzing data. What I'm looking for needs to have extensive curve fitting abilities as well as error analysis tools, i.e., error bars and what not. I hope this isn't totally vague and you all have a piece of software in...

y= -2(x+5)^4 A few things about graphing this ? HELP? I know how to graph most parts of this function except for these few little details that are bugging me HELP? y= -2(x+5)^4 It's a parabola. then you just need to figure out x and y intercepts, i know the y i just figured it out, but how...

So the function I'm working with is: f(x,y) = 1/sqrt(1-x^2-4y^2) First, they want me to find the Domain and Range, which I found to be: D: x^2 + 4y^2 < 1 R: (0,1] Then they want me to sketch level curves and cross sections, then sketch f(x,y) I'm having trouble with the sketching, I...

Homework Statement I just want to know how you determine the acceleration on a velocity vs. time graph and how to determine the velocity on a displacement vs. time graph. Homework Equations The Attempt at a Solution

Homework Statement Draw the following vector. Label the angle that specifies the vector's direction, then find its magnitude and direction. Homework Equations vector a = 2.0i - 6.0j The Attempt at a Solution I get stuck here: I don't know which angle to use.

Homework Statement Suppose that c is a member of the Real numbers, and p is a member of the Complex numbers with p not equal to 0, are given numbers. (a) Show that pz + conjugate(pz) + c = 0 is the equation of a straight line in the plane. Provide a carefully-drawn plot that...

1. I have finished a lab that compares the frequency at which a pendulum swings vs time in seconds. I have collected the date for both the length of the pendulum and the frequency. A question on the lab requires to graph the collected data before the statement (Non Linear Line) and then one...

I am facing difficulty in graphing this logarithmic function: some constant= y + log x what all steps are required to graph such a function?

Homework Statement E=(kqz)/(z^2+a^2)^1.5 Through calculus i found that the max occurs at z=a/sqrt(2) and z=-a/sqrt(2) and I think the negative one is the minimum. That answer was given in the book also. The ring has radius a. It wants me to graph E versus z. I'm a little confused on how to...

So I'm not going to lie, I'm pretty new with this software. I was assign a homework assignment, but I'm not sure how you graph a step function. Given this waveform use the step function to find an equation: http://img163.imageshack.us/img163/2545/stepfunction.jpg" I calculated the step...

Homework Statement What is an easier way to graph 1/x? How I am currently doing it is in the "The attempt as a solution" section. Homework Equations The Attempt at a Solution The current way I graph some hyperbola like the one mentioned is by first finding the asymptotes. Then, I plug in some...

Homework Statement using the equation a = g*sin(theta) where theta is in degrees how do i find g using the slope from a graph plotting acceleration versus theta? (i have acceleration on the y-axis versus theta on the x axis) Homework Equations a = g*sin(theta) where theta is in...

Homework Statement http://phet.colorado.edu/simulations/sims.php?sim=Photoelectric_Effect Part 6 1. Set the cathode metal to copper and light intensity to 50 %. 2. Tabulate eight values for frequency and photoelectron energy in Joule. 3. Draw a graph of frequency and...

Homework Statement "What is the relationship between the energy of a photon and its frequency" then "Qualitively graph photonic energy versus frequency. No values are required. The Slope does not need to be specific." Homework Equations we are given a graph with no values...

"Scientific Thinking Graphing" -Determining the Mathematical Expression Homework Statement Ok, so I recently got an assignment for "Scientific Thinking Graphing Practice". Basically, I need to take a data table that will produce a curve shaped graph and turn it into a straight lined graph...

so I'm graphing tetrahedron bounded by a given plane and "The coordinate planes" what is meant by "the coordinate planes"? i can graph the plane but i need help here

Homework Statement I am working on these problems, systems of equations and inequalities. Now, I know how to do the problem and find the solution set, but our teacher said that we can check our answer by graphing it without graphing calcs. I have a Ti89 Titanium. How do I input/graph the...

I can't seem to understand the procedure, can anyone post any links to a useful tutorial? I took it this year and it was the only thing I didn't understand, 3 questions about it came in my maths final and I got an 82 (I got everything else right but I made a small calculation mistake in a...

Homework Statement Im doing a question where I have to graphc y = -4 sin x Ok well I got the period and amplitude, so I have the interval of [0, 2pi] Now, in order to plot points, I have to divide the interval into 4 sub intervals. I don't understand how I do that! This is where I...

Homework Statement Hi, I'm really use to graphing a function vs x, were the x-axis would be the input to the function and the output would be the vertical function, were at each point on the graph would be the output evaluated at that particular x value So I'm learning how to use MATLAB for...

Hello, For my physics EEI I am wanting to look at sound frequencies. What I plan to do is to get a guitar and play a note, let's say a "c natural". Then I want to play a "c sharp" and then compare the two notes. I want to be able to find the amount "beats" over a duration of say 1-2 seconds...

Homework Statement we have to create a picture in the graphing calculater, rules to the project 1window must be set at X[-20.7,24.7] and Y[-13,17] 2picture must be centered in this window 3no fewer then 20 program lines. horizontal and vertical lines don't count in the 20 4no programs within...

Homework Statement This is the third problem of a project for a Calculus II course. My issue is with graphing. Below is the problem, and below that my tutors explanation via e-mail to try and help me. I understand everything thus far, except for how I go about graphing. I am not strong in...

Homework Statement let Y1 and Y2 have the joint probability density function given by: 8y1y22, 0 <= y1 <= 1, 0 <= y2 <= 1, y12 <= y2 0, otherwise Homework Equations Basic integrals? if they are even needed. The Attempt at a Solution I attempted it, by assuming 0 - 1 for...

Homework Statement I have to do an experiment tomorrow, in which we roll a cart down an inclined plane to find the acceleration of the cart. We are given set distances (20, 40, 60, and 80 cm) and will be told to time how long it takes the cart to go said distances. Once we have this...

Homework Statement I have a graph and its roots are: x(x-2)^2(x-4)(x+2) ^that is also the equation i got after viewing the graph. but after the last root (4) the graph goes up and thn comes back down and there is a horizontal asyptote at y=0 as x approaches infiinity. how would i show...

Homework Statement y= -4(√4x-1) -1 in case it's not clear, the 4x-1 part is all under the radical the question is to graph and find the domain and range Homework Equations The Attempt at a Solution This is probably what your supposed to do , but not sure, OK To get the domain set everything...

Hey can you please help me with finding the inverse of these functions and a brief explanation for each: y= x^2 (x> or equal to 0) y= 2log(base 10) x y= log (base 10) x-1 I need to submit each function and their inverse functions in one graph (three graphs for each function)...

Everywhere I look online the free graphing calculators are really not that great to say the least. My graphing calculator just broke, I will eventually get a new one but was curious as to if anyone knew a good site with a nice working graphing calculator that is free and can do large...

Homework Statement Hi, my teacher gave me this homework assignment and I'm having trouble graphing this one graph. I don't understand her notes that well and am having trouble getting the equation for this graph. See attached for the graph. The graph is a inner loop that is turned...

1. During a Millikan oil drop experiment, a student recorded the weight of 5 different oil drops. A record was also made of the Electric field intensity necessary to hold the drop stationary between thew two horizontal plates. Data: Weight x 10^-14 N 1.7 2.9 4.0 5.6 6.1...

I need to get a graphing calculator but I am not sure which one suits me best. I need it for graphing and possibly some more advanced functions. I checked out the prices and the TI-89 is somewhat expensive. It seems a little "hyped" than the other older models. Does the TI-85 have everything the...

Homework Statement Y = - sin (2X) Homework Equations The Attempt at a Solution So.. I know how to graph - sin, that's going to be one 1 but reversed. Now my problem is the (2x). How do I graph 2x in the trig graph? How would I go about making a horizontal compression? Thank you

Long story short, I've been looking for a program that can produce graphs like mathematica and manipulate 3D objects like google sketchup. Also, I'm going to work these pictures into LaTeX. I'm not sure if a program like this exists (unless maybe mathematica itself can do it). I have basic...

Homework Statement y = 1/x - sin(x) What is the best strategy to graph this? I am having a difficult time drawing accurate graphs of these types of functions...

I'm in the 11th grade, and a lot of problems I'm doing now require me to have a graphic calculator handy, the most basic ones run up 150$ easily, I am told that after this course when i take calculus its mandatory, although i can do all these problems manually, should i bother with it or people...

Homework Statement Given the following graph of h(x), identify: 1. The intervals where h(x) is increasing and decreasing. 2. The local maximum and minimum points of h(x) 3. The intervals where h(x) is concave up and concave down 4. The inflection point 5. Sketch the graph of h'(x) and...

Homework Statement An electric field in a region of space is parallel to the x axis. The electric potential varies with position as shown in Figure P25.36. Graph the x component of the electric field versus position in this region of...

This is for a pre-lab. I'm given three points for force and acceleration: F(Newtons): 19.1, 24.5, 28.2 a(m/s^2): 127.2, 162.1, 185.9 Problem: I'm supposed to relate y = mx + b to the equation F = ma and I'm assuming then to use this to draw a line through the points. instructor has: net force...

Homework Statement Sketch the Astroid y(t) = (cos³(t), sin³(t)). Calculate its tangent vector at each point. At which points is the tangent vector 0? 2. The attempt at a solution I'm not sure how to go about graphing parametric equations. I calculated the tangent vector: y'(t) =...

Currently in calculus high school level and everytime i graph an equation, i want to shoot myself. It's the most boring thing in the world to do. Does it get worse if i want to get myself into math? Does graphing ever stop?

does anyone know of a calculator similar to a ti graphing with a larger keyboard and screen and a note pad feature something easy to crunch problems without paper and similar power efficiency

Can anyone recommend a free 3-D graphing tool that allows me to specify the domain of the function? The domain is the key thing... Thanks

Homework Statement Do a qualitative sketch of a G vs T (and G vs P) graph for water at liquid, solid and gas phases at atmospheric pressure. How would the graphs differ at a pressure of 0.001 bar/slightly higher temperatures? Homework Equations None that I can think of. The Attempt at a...

Homework Statement Compute the discrete Fourier transform of the ecg signal, graph the amplitude and phase response. The problem gives data in the form of a ecg.mat file. Contained are two double variables: voltage data for the ecg and a time vector for the ecg. both the voltage and time...

Homework Statement Let f (x) = sin x. Estimate f ' (pie/ 4) by using a graphing utility. a) 1 / 4 b) √2 /2 c) 1 / 2 d) pie / 4 The Attempt at a Solution Is it sin (45) = √2 /2. I'm wondering if b is the answer.

Hi all, I'm currently working on a project at my job where we will be continuously monitoring the power/energy consumed by the lights and other light electrical loads in a conference room. The data will be wirelessly transmitted to a computer which will accept the file as an Excel spreadsheet...

Homework Statement okay so I am doing a graphing calculator project where i have to create some kind of scene, using a ti 84+, and so far i have created a boat and waves, and i can't seem to figure out how to make a small fish (supposed to be in quadrant 3) and also a flag (for the boat) and...

Homework Statement Just looking for some advice! I have numbers that range from 200 - 300 for the Y axis and I got some numbers that range from 0 - 17 for the X axis. (what the numbers basically mean is 200-300 are the elevations for each station of 0-17 on the X axis. I've been asked to use...

Homework Statement If I graph an equation with my ti 84, is there anyway I can take the x values in the 2nd [table] spreadsheet of of x and y values and make the x values fractions? They're all decimals and I wan't them in fractions if possible. Can it be done? Homework Equations...