Some time ago I made a modelling project and obtained a plot. Now, I want to remember what the transfer function was, as I want to try changing the parameters.
The graph is the following:
How can I obtain the transfer function?
Thanks a lot
About 10 years ago I wrote a program to log my bike rides in Matlab, and part of that program generated a plot whose x and y coordinates were longitude and latitude coordinates and whose z coordinate was the elevation. Sadly, a computer crash and bad backup habits caused me to lose my code. I...
Homework Statement
Hello,
This is not a homework help problem but I believe this question belongs here more so than in the other forums.
I would like to (for personal benefit) duplicate / generate the plots in Figure 2.6 of Griffiths Quantum Mechanics book - page 55, 2nd edition.
Homework...
This is not a homework problem, I just am confused a little about the differences between a Nyquist plot and the plot of a complex function. I believe they are the same given the domain of the plot of a complex function is for all real numbers equal to or greater than zero. However, I am having...
Homework Statement
Write code for solving the integral ##\int_{0}^{x}e^{-t^2}dx## using simpsons method and then plot the function from ##x = 0## to ##x = 5## with ##0.1## increment.
Homework Equations
3. The Attempt at a Solution [/B]
I was told that the best way to plot the function is to...
Hi there. I wanted to plot a surface, given implicitly by a function ##f(x,y,z)=c##, with ##c## a constant. My ##f(x,y,z)## is obtained numerically, so I don't know the expression explicitly, I have the values of ##f(x_i,y_j,z_k)## for given integer numbers ##(i,j,k)##, ##i=1,2,3...## same for...
i have build and simulated the op amp circuit, i have recorded the voltage gain at different frequencies, now i need to plot a graph for the two results in same graph paper, i have not plotted a graph before for the related task so i need to understand from the basics,
i need some one to...
Hello everyone, first post here.
I don't need to do this in Grapher.app (the default graphing calculator on every Mac), but it is an elegant humble little app, and I have seen the hypercube projected using it here.
I really would love to get the equations and expressions in my own file on my...
Hi,
I am trying to plot a lognormal function. I have the value of μ=3.5, the value of σ=1.5 and the value of the Area = 1965. I have as well the value of the maximum height (Amp.=4724). I am tryiing to plot these with Excel or with R but I do not know how. I know how to plot a distribution of...
I have the winston equations for the cpc but i am having problems getting the exact shape of a symmetric compound parabolic concentrator in excel
Help me with the corrections in terms of the width 2a =10 and half acceptance angle of 30 dg please
Homework Statement
A scalar is given by
It is controlled by
With step time h = 0.2 s
1. Find the discrete equivalent model
2. Check the stability of closed loop (K = +1)
3. Obtain the via the Bode plot
Homework EquationsThe Attempt at a Solution
So for question 1. This is where I'm...
Hi PF!
I have a series of calculations I'm executing in Mathematica, and all expressions use the delayed := equality. At the end I am trying to plot a function, and for this example let's say it's f[x_]:=x
When I plot, I am forced to plot in the form Plot[f[x]/.x->y , {y,-1,1} This method takes...
Hi PF!
I have the following in Mathematica.
Notice h[2,x,0.5] gives me an output in terms of x, but when I try to plot this I get errors. Anyone know why this is? I read the error messages but am still unsure why I am not getting a clean output.
Hi all,
I have a spatial probability density function that is dependent on ##x##, space and ##t##, time.
I am able to make a plot for spatial probability density for each point in time by specifying ##t## values by using the fplot function.
However, I want an animation that allows me to see...
I was modeling current distribution in a component:
And I plotted the ##\vec J## to simulate & understand the current distribution throughout the conductor, all the flows make sense, however, at the edge of the conductor like so:
Current would distribute all around the area, which is...
Can torsion angles were affected by repulsive effect of aminoacid interactions between side chains?
Can torsion angles were affected by hydrophilic or hydrophilic interactions between side chains?
I know that protein levels were affected by them but torsion angles is suspicious for me
I am using Matlab's 2017Rb academic license.
And while trying to operate the following sequence of commands:
x = linspace(0,2*pi,1000);
y = sin(2*x);
plot(x,y,'k−','linew',2); hold on;
I get the following warning:
Error using plot
Error in color/linetype argument.
What seems to be wrong...
Hi all,
I'm writing a fortran 90 program to simulate the Duffing oscillator. I have it working and have produced a cos wave which I expected for D (the driving force) being set to 0. Here's the code:
program rungekutta
implicit none
integer, parameter :: dp = selected_real_kind(15,300)...
Hey everyone,
I'm trying to plot a straight line for a bipolar junction transistor to find the room temperature, T, using my experimental results for the associated base-emitter voltage, ##{V}_{BE}## and collector current, ##I_C##. Here's the equation that I'm using:
$$ I_C = α_F {I}_{EO}...
I am working on homework for a physics lab course and I am asked to write a python function which will produce an amplitude v.s frequency plot. In a previous problem I wrote a function which simulates data from a sine wave in the form of a time series; the new function should be able to take...
Homework Statement
I'm plotting moving particles and I need a way to refresh the graph space with every loop. Meaning I want the points to NOT leave a trail of other points behind them . Basically I want to get rid of the old points as I plot new ones.
Homework Equations
N\A
The Attempt at a...
I'm trying to use Maxima to examine the error in a Fourier series as the number of terms increases. I've figured out how to produce a Fourier series and plot partial sums, but this has me stumped.
If anyone experienced with the Maxima CAS has some insight into this, I would greatly appreciate...
Hi PF!
I'm trying to plot in 3D. I have ##r = f(\theta,z=0)## and it plots well. However, I would like to plot ##r = f(\theta,z)## in 3D. Any idea how to do this? The radius is actually a separable function ##r = h(\theta)g(z)##, so I have ##h## plotted for a given ##\theta## vector and ##g##...
Hi, i would like to know how can i plot a three dimentionnal phase space (mathematica), for this kind of differential equations:
x'= (z^2(x-4y+z)+y^2(x+z)+z(x*y-x^2))/(z^2+x^2-2)
y'=y(y-3)+z(4y-z)+3(1-x^2)-2(y-3z)(z^2(x-4y+z)+y^2(x+z)+z(x*y-x^2))/x(z^2+x^2-2)...
Hello,
I use free VisEd and I want to plot the collision, the particle's transport and the particle in tally but I have an error. For the source the plot is ok. How can I solve this problem freely?
Someone can help me?
My input :C Cellules30 50 -1 (-1 3 19 ):(-2 3 ):(-4 3 -6 5 -7 1 2 ) imp:p=1...
Hi there. I am willing to plot a function of three space variables plus time, let's say ##\phi(x,y,z,t)##. The idea is to plot the 3D function for each time, i.e. evolving in time. As I have three independent variables, corresponding to the three Cartesian coordinates, the function is actually a...
Hi there...
I have a question about the tipical mass-radius relation plot for a neutron star, something that looks like this for different equations of state:
My question is, what is exactly happening at the ends of the EOS lines? I know that after passing the maximum mass the curve starts...
Hi,
I am using Mathematica to calculate density of states and current of the Green's function times self energy in most simple form. I am not sure if I am getting current integral over energy implemented correctly. Shouldnt first current plot be a line with a slope? Below is my code...
I want to represent data with 2 variables in 2D format. The value is represented by color and the 2 variables as the 2 axis. I am using the contourf function to plot my data:
load('data.mat')
cMap=jet(256);
F2=figure(1);
[c,h]=contourf(xrow,ycol,BDmatrix);
set(h, 'edgecolor','none');
Both xrow...
Hi PF!
In Mathematica and given the code below, I am trying to the real part of ##\sigma##, ##Re(\sigma)##, in stead of simply ##\sigma##. Any help would be awesome! Here's what I have:
n = 3;
ContourPlot[(\[Sigma]^2 -
2 (n - 1) (2 n + 1) \[Epsilon] \[Sigma] + (n - 1) n (n + 2)) ((...
Homework Statement
In Griffiths' book "Introduction to Quantum Mechanics", Section 2.3, Chapter 2, the Fig. 2.7 gives the plots of the wave function (##\psi_{n}##) and its modulus of the harmonics oscillator, see the Appendix. With the order (##n##) increasing, they become both higher. However...
What is the software that has this kind of plot:
I want to use it for plotting graphs because it looks clean. Thank you in advance.
Edit: To avoid confusion, I want to know what software produces this graphing style, not the kind of plot.
I have some data points that I want to plot and suppose I have the function ##f(x) = x##, with the domain having the range ##0\leq x \leq 10##. Assume that the experimental values lies in the range ##4\leq x \leq 7##, how can I put a rectangular region to cover this range behind my plot so as to...
Homework Statement
Use the van der waals constant for ##H_2## and ##O_2## to calculate the initial slopes of the plots of compressibility factor Z versus P.
Homework EquationsThe Attempt at a Solution
Using virial expansion for van der waal gas in terms of ##P##
I get ##Z = 1 +...
Homework Statement
Plot the electric potential ##V(r)## due to a positively charged particle located at the origin of an XY plane.
Homework Equations
##V=\frac 1 {4πε_0} \frac q r##
The Attempt at a Solution
I'm unfamiliar with 3D coordinates at this time, but I like to know how can I plot it...
What does the 8 and the 50 mean? I know that they are flagged values. Often, this happens. The plot is off because of some extreme points, the plot flags them, and I go into the dataset and cannot find them. Are they the built in row numbers of the dataframe? or are they something else?
I was looking at the following graph showing the relationship between redshift and distance for a constant, accelerating and decelerating expansion of the universe.
Source
Looking at the accelerating expansion line (red), I tried to reason why it would show a line that deviates upwards from...
Hello everyone
I am trying to write code in ROOT.I want to plot generalized hypergeometric function pFq with p=0 and q=3 i.e I want to plot 0F3(;4/3,5/3,2;x) as a function of x using TF1 class.I am not getting how to plot this function in ROOT.Kindly help me out.
Thanks in Advance
Homework Statement
Hi,
I recently performed a lab experiment for calculating the moment of inertia and spring constant of a couple of equal masses on a steel rod. I had to do this experiment at the exact same time as performing another experiment so I was unable to perform any calculations in...
I have made graph of event horizon of Kerr black hole by giving simple command of polar plot. The problem is that the point where the event horizon and static limit meets should be along y-axis but instead its on x-axis. I have tried everything but not getting it right.
What mistake I am...
Homework Statement
I am working on the following problem:
The Attempt at a Solution
I have the solutions, I just don't understand:
I know that the pole should be the root of the denominator? but in all the examples I was given they used s and not jw, so what is the variable in the network...
Context:
In James Hartle's Gravity, pp. 318-319, Example 15.1, he considers the case of a particle that starts falling from infinity into a Kerr black hole, initially with no kinetic energy (e = 1) and initially moving radially (ℓ = 0). The particle's motion is constrained along the equatorial...
Hello everyone!
I would like to ask you if anyone can help me solving my Problem with mcnpx. I created a file with a watertank, a nozzle and a slit blend on the surface. I also inserted a protonbeam and would like to plot the dose and fluence for examplte with Moritz. But when I execute the...
I am using fastjet in pythia8.I am studying jet formation in pp collisions.I need to plot distribution of transverse momentum of fastest particle in fastest jet formed in 1000 events simulated.But i don't know how to access particle properties after jet formation.Like if I want to know the...
Homework Statement
I'm trying to plot Newtonian orbits in Mathematica with the goal of extending this to orbits including GR after. I've derived equations for r(t) and ##\phi##(t) (see below) by integrating ##\dot{r}## and ## \dot{\phi} ## (see below also) from E = 1/2mv2 +V(r) with velocity...
Maybe this is more quantum, but I'm not sure.
I was watching Susskinds first String lecture on youtube, and he was talking about how, within each particle family, you get a straight line called a regge trajectory if you plot spin vs. mass^2.
He also mentioned that there was some slight insight...
I was given a function that is periodic about 2π and I need to plot it. I was wondering if there is a way to input a value and have mathematica generate a new graph with the number of iterations. The function is:
$$\sum_{n=1}^{N}\frac{sin(nx)}{n}$$ where n is an odd integer. I guess a better...