# Tagged Questions

47 views

### Similarity of two plot to each other

I want get the similarity of two different plot by Percent ... I have many plots for comparison like below : y : ...
86 views

### Defining a Gaussian Distribution Fit to data

I am given a set of data and told ahead of time that the data will need to be fitted to a Gaussian Distribution. I know that Mathematica has preset functions for linear, quadratic, and cubic fits, but ...
83 views

### Simulation of Circular plate vibrations

I'm trying to simulate the vibration of a circular plate with a free edge. The plate wave equation describes the vertical displacement of the middle surface of the plate $(\zeta)$ as a function of ...
326 views

### What is my problem with MeshFunction?

I want plot the max value in a sine plot. We can use the following code ...
112 views

### RegionPlot3D run forever when plotting 3D ParametricRegion

when working with 2D, RegionPlot works fine with ParametricRegion as can be seen in this example: ...
174 views

### Finding average error of the data

Considering I have some data, and I want to fit the data to a linear fit and find the average error from the linear fit, how can I do that using Mathematica? I have ...
69 views

### How do I choose only one branch of ArcTan?

I have a problem concerning ArcTan drawing a graph using ListPlot. I import a table of data: ...
195 views

### Circular membrane vibration simulation

I'm new in Mathematica and I'm trying to simulate the vibration of a circular membrane for math project but I don't even know how to start. The wave equation describes the displacement of the ...
61 views

### Trouble outputting Plot

I am trying to solve a system of ODEs and plot them with Manipulate but I keep getting blank outputs. Below is my code: ...
125 views

### Plot3D unable to understand input function

I'm attempting to plot the Wigner Function of the Morse Oscillator defined as ...
89 views

### Timing: how make a program to work faster using built in functions and tables

I want to improve my code to make it working faster even for very large numbers. ...
44 views

### Switching the ordinate and abscissa causes problem in ParametricPlot

I have a function that plots properly in PolarPlot, but I'd like to plot it in ParametricPlot and then switch the y and x ...
86 views

### Graphical solution of a a two-variable system containing an equation and an inequality

I'm currently studying atmospheric-gravity waves and their dispersion relations. I want to have look at values of $(x,y)$ that solve the following system : \label{}(1) \left\{ ...
130 views

### Discrete peaks to curve via Voigt summation

I have two data sets. One is an experimental recording of an absorption spectrum, composed of regularly spaced (wavenumber, intensity) coordinates with a fine wavenumber resolution, thus making ...
414 views

### Plot the minimum of a list of functions

This is my first question on any stack-exchange site and I'm also very new to using Mathematica software so please excuse/correct me if I mess up. I would like to take a list of functions of a single ...
183 views

### Plotting attributes of vertices in WattsStrogatzGraphDistribution[n, p, k]

I have a graph WS = RandomGraph[WattsStrogatzGraphDistribution[n, p, k]]. I need to plot several characteristics of each v: the ...
182 views

### ListDensityPlot

In Mathematica help it's written that: ListDensityPlot[array] -> generates a smooth density plot from an array of values. ...
77 views

### Blank plot that shows up briefly when changing plot options

I wrote some code in Mathematica to calculate and plot, in tw0 different ways, a function depending of two variables. But the plots are empty even if it takes a few minutes to evaluate the plot ...
109 views

### A problem with functions and Infinite expression 1/0 encountering

Following code (function) makes integrals and then replace f[x] with Cos functions and calculate the definite parametric ...
106 views

### A problem with set values

The following code is just an example to clearly explain my problem. Assume that : ...
177 views

### How to update a list in a function in each iteration

There is a list with numbers 1 to 8 ( p1 ) and another list (j) which contains 4 numbers which shows different 4 positions of ...
50 views

### How to put some values from a list into a function in a Do loop

I want to program a code in MATHEMATICA in order to calculate some values in different iteration. For example, assume this list: list={1,2,3,4,5} Now assume that ...
270 views

If I define ...
159 views

### Plot a function which depends on itself

How can I plot a stepwise function like f[a, t] = 10 Exp[-0.1 Sin[t]] for a > t and ...
134 views

### Intersection of any triangle with a circle in Cartesian coordinates

I started a notebook dealing with metrics in a triangle and its intersection points by a circle. Up to know I reached the point of having plotted a triangle, a circle with an arbitrary centre and I ...
86 views

### Working with functions

I am required to write a function that takes a function as a parameter. ...
22 views

### Question about a ParametricPlot with a shading grey family of lines and/or different sizes [duplicate]

So, I have this function of the polar angle $\theta$, with a varying parameter $t$: {Cos[\[Theta]] (1 + Sin[t]), Sin[\[Theta]]} and I want to draw it in a ...
265 views

### Multiple curves plotted with different colours [duplicate]

I am trying to use ColorFunction for 2 functions on the same plot. I only want the cubic equation to change colour. ...
232 views

### Detecting a nonlinear edge in a 2D point pattern

Following an earlier post here, I have generated a point pattern on the unit square $[0,1]\otimes[0,1]$, which is described by a piecewise constant intensity function constructed so that (in ...
188 views

### How to find intervals in the domain corresponding to intervals in the range?

I want to find the intervals for the argument m1 of this function corresponding to the value for the function lying in given intervals of the range: ...
143 views

### how to get a linearized curve in some intervals

in below picture I draw a graph base on weight of a controller system against cost function. I want to linearise and divide this curve to for example 5 five intervals. is there any function in ...
344 views

### How to plot several functions without jumping? (multiple eigenvalues of a system as functions of 2 parameters)

I've been working on this research problem for months with some success by no global/proper solution to the problem. So I have square, Hermitian matrices of various sizes ($8,20,38$ dimensions) with ...
162 views

### How to plot a function with variable with an open interval? [closed]

I want to plot this revenue function: $r=30q-0.3q^2$ I have no range, its an open interval, but when I try to plot in Mathematica it requires the min and max of the plotting limits. How do I do ...
181 views

### how recover lost data of coordinates from contourplot of mention data?

I have made Contour Plot for a lot of data, like this ...
97 views

### Custom Errorbar-Function

I wanted to have a better control on the ErrorListPlot, so I defined a custom ErrorBarFunction: ...
252 views

### How would I plot the volume element in cylindrical coordinates?

I have this graph: But it doesn't have a function so I can't just plugin in a function into wolfram or mathematica to plot it. I have these coordinates to make it however: ...
82 views

### What is the need for function parameters? Many possible inputs

If I have many possible variables related to one another, why do I need to define my function with parameters for plotting? For example, if I have an equation like: ...
86 views

### Issues with creating functions [duplicate]

Sometimes when I try to create a function inside a function, Mathematica gives me a hard time. I usually just have to play around with the syntax until it gets something it "likes" but I really have ...
103 views

### Nested function problem [closed]

I have trouble defining the following function in Mathematica sp[M_, u_] := 1/Sum[u^k M!/(M - k)!, {k, 0, M}] After defining it Mathematica displays an error. ...
310 views

### How can the behavior of InterpolationOrder->0 be controlled?

In ListPlot and Interpolation, the option InterpolationOrder->0 uses two different ...
147 views

### plotting hypergeometric functions

Does anyone know why a plot of a hypergeometric function turns out differently in Mathematica than in Maple? The function I'm plotting between x=-30 and +30 is: ...
240 views

### How do I generate a table of data points from a function and add random noise? [duplicate]

I am trying to generate a table of data for the function: ...
178 views

### Restarting an Animate animation after variable in Manipulate changes

I've been trying to restart an animation after variables change from Manipulate PopUpMenus. My animation takes the form: ...
778 views

### Mathematica plots a discontinuity in piecewise function that does not exist [duplicate]

I have the following function defined: ...
900 views

### How do I define the domain of a function?

I have a function of two variables, f[x_, y_], and I would like to restrict the domain to values of x and ...
751 views

### 3D plot of two 2D functions

I would like to plot two 2d functions in a 3d coordinate system. Examples are z = x^2 and z = y^2. Each function has one ...
27 views

### How does Plot evaluate its argument? [duplicate]

I have a list of about twenty InterpolatingFunctions that I'd like to plot. They are interpolations from experimental data (frequency spectra between 100 and 5000 ...
694 views

### Plotting a complex function [duplicate]

What does it mean if this message appears: {Im[(1-E^Times[<<3>>] f)/(1-Power[<<2>>] f)]-0,Im[(1-E^Times[<<3>>] f)/(1-Power[<<2>>] f)]-0} must be a list of equalities or ...