For example, plotg,or uses red circles for the nodes and red lines for the edges. Plotting a 2d matrix matlab answers matlab central. In the first plot, display the parametric surface x sin s, y cos s, z t 1 0 sin 1 s. Choose a web site to get translated content where available and see local events and offers. Gridded surface and volume data, ungridded polygon data. Retain current plot when adding new plots matlab hold. This example shows how to plot the imaginary part versus the real part of two complex vectors, z1 and z2.
The column and row indices of z are the x and y coordinates in the plane, respectively. Moreover, the plot function works correctly, i only have issues with the plotdata function. Based on your location, we recommend that you select. Run the command by entering it in the matlab command window. Now, what i need to do is to make this grid a clickable interactive contour plot in a way that when the user clicks anywhere on my grid plot, he gets an onscreen information or a further plot to.
Nov 14, 2001 changed the colour of the 3rd plot lineaxis to match matlab colour scheme. When i type in the handle of the axes i want to clear that is the only one it left alone and cleared the rest of the guy. Im trying to plot a set of points in matlab using plotdata function, but the figure window is empty. How to keep track of recursive call on my function collatz. Use this function within a script that requests a number from the user and then prints the collatz sequence for that number. If y is a vector, then the x axis scale ranges from 1 to length y. Its based on the well known collatz conjecture my code is here, which was written using python 3. Can anyone help me with the collatz conjecture code for matlab. The three n plus one conjecture matlab central blogs. Matlab automatically selects the contour lines to display. To skip the rest of the instructions in the loop and begin the next iteration, use a continue statement avoid assigning a value to the index variable within the loop statements.
Collatz sequence plotting issue matlab answers matlab. I am already familiar with collatzs name because of his work in numerical analysis and approximation theory, including finite difference methods for differential operators. Unsolved but useless gaurav tiwari official download collatz conjecture 1. Plot vector using plot3 matlab answers matlab central. When i used this line it cleared everything except what i wanted it to clear. Contour plot of matrix matlab contour mathworks australia. Mathematical beauty collatz sequence in matlab matlab. Write a function collatz that takes an integer as its argument and returns the vector of values produced by iterating the collatz function on that argument e. If i want to plot this latxlong grid using any contour function, it is easy to do.
Plot legend below the plot matlab answers matlab central. To plot multiple sets of coordinates on the same set of axes, specify at least one of x, y, or z as a matrix and the others as vectors. You can plot the data in a 2d or 3d view using either a linear or a logarithmic scale. How to clear data from plot in matlab gui matlab answers. Jun 15, 2016 below is code for collatz conjecture, that given an x value will print out the max numbermx during the run for that x value and number of iterationsn it takes to get to 1. In 1937, lothar collatz explored it and proposed that the length was finite for all values of n. May 18, 2010 recursive collatz conjecture in php posted by nelson on may 18, 2010 leave a comment 0 go to comments i stumbled across a blog post by brie gordon about the collatz conjecture, so naturally i had to wikipedia it. I have tried googling it but cant find a code that works. The next plot added to the axes uses the first color and line style based on the colororder and linestyleorder properties of the axes.
Dec 06, 2012 can anyone help me with the collatz conjecture code for matlab. Added a datetick input that enables xaxis to be labeled with datetick string. To programmatically exit the loop, use a break statement. Download the above script in matlab file format for free from here. Recursive collatz conjecture in php posted by nelson on may 18, 2010 leave a comment 0 go to comments i stumbled across a blog post by brie gordon about the collatz conjecture, so naturally i had to wikipedia it. Removed nargin statement at the beginning and replaced with an exist statement for identifying empty labels. First real program collatz conjecture graphing calculator.
Plot graph nodes and edges matlab plot mathworks deutschland. Changed the colour of the 3rd plot lineaxis to match matlab colour scheme. According to wikipedia, the famous german mathematican lothar collatz first made the conjecture, in 1937, that the process terminates for any starting value. To plot a set of coordinates connected by line segments, specify x, y, and z as vectors of the same length. If y is a matrix, then the plot function plots the columns of y versus their row number. The function plots the values in matrix z as heights above a grid in the xy plane defined by x and y. The collatz conjecture is a longstanding unsolved problem in mathematics. Apr 22, 2012 i have written code for the collatz problem, and performed some plotting for the number of steps versus the integer values. Fix this issue by increasing the meshdensity to 40 in the second plot. Since then, a number of mathematicians have attempted to prove this conjecture, but it has remained unproven. Below is code for collatz conjecture, that given an x value will print out the max numbermx during the run for that x value and number of iterationsn it takes to get to 1. Learn more about collatz, collatz problem, programming, program, code, writing code, sequence, integer. Follow 50 views last 30 days luke radcliff on 15 jun 2016. A possible approach is to use a global variable to count the number of calls.
Line plots are a useful way to compare sets of data or track changes over time. If you pass multiple complex arguments to plot, such as plotz1,z2, then matlab ignores the imaginary parts of the inputs and plots the real parts. Also, you can plot expressions or functions over specific intervals. The axes in the biplot represent the columns of coefs, and the vectors in the biplot represent the rows of coefs the observed variables. The biplot is 2d if coefs has two columns or 3d if it has three columns. Use this function within a script that requests a number from the user and. But now i am trying to plot the values of i versus my xi values for i 1. I have written code for the collatz problem, and performed some plotting for the number of steps versus the integer values.
I am already familiar with collatz s name because of his work in numerical analysis and approximation theory, including finite difference methods for differential operators. Collatz sequence plotting issue matlab answers matlab central. Let us plot the simple function y x for the range of values for x from 0 to 100, with an increment of 5. Collatz conjecture an approach in matlab the collatz conjecture named after lothar collatz is an unsolved conjecture in mathematics. Clickable interactive contour plots in matlab stack overflow. Hi guys, new to python, not to coding, but ive put together my first little program which im very pleased with. Find the number of steps it takes to reach one using the following process. Let us take one more example to plot the function y x 2. There are various functions that you can use to plot data in matlab. This table classifies and illustrates the common graphics functions. For example, plot g,or uses red circles for the nodes and red lines for the edges. The x axis scale ranges from 1 to the number of rows in y. Jun 03, 2011 in 1937, lothar collatz explored it and proposed that the length was finite for all values of n. It states that repeating the sequence of operations described in the comic will eventually lead to the number 1.