Note that if you want to fit an arbitrary polynomial to your data you can do so by changing the last parameter of polyfit to be the dimensionality of the curvefit. % now plot both the points in y and the curve fit in r * x + p(2) % compute a new vector r that has matching datapoints in x Suppose you have some data in y and you have corresponding domain values in x, (ie you have data approximating y = f(x) for arbitrary f) then you can fit a linear curve as follows: p = polyfit(x,y,1) % p returns 2 coefficients fitting r = a_1 * x + a_2 You need to use polyfit to fit a line to your data.

This table lists the long and short color name options and the equivalent RGB triplet values.Lsline is only available in the Statistics Toolbox, do you have the statistics toolbox? A more general solution might be to use polyfit.

Alternatively, you can specify some common colors by name. The intensities must be in the range for example. 29.4k 21 21 gold badges 97 97 silver badges 124 124 bronze badges. For example, read patients.xls as a table tbl. You can set these properties as name-value arguments when you call the scatter function, or you can set them on the Scatter object later. If you have three points in the scatter plot and want the colors to be indices into the colormap, specify cВ as a three-element column vector.ДЄn RGB triplet is a three-element row vector whose elements specify the intensities of the red, green, and blue components of the color. One way to plot data from a table and customize the colors and marker sizes is to set the ColorVariable and SizeData properties. If S is a scalar, MATLAB draws all the markers the same size. S can be a vector the same length as X and Y or a scalar. plt.title('Scatter plot showing correlation')вЂtitleвЂ™ is called to set title of our scatter plot plt.xlabel('x variable')setting name of x-axis plt.ylabel('y variable')setting name of y-axis plt. S determines the area of each marker (specified in points2). To change the colormap for the axes, use the colormapВ function. scatter(X,Y,S,C) displays colored circles at the locations specified by the vectors X and Y (which must be the same size). In the bottom scatter plot, specify diamond filled diamond markers. Call the nexttile function to create the axes objects ax1 and ax2. Call the tiledlayout function to create a 2-by-1 tiled chart layout. I tried hist3 and other suggestions but it overwrites my data. Starting in R2019b, you can display a tiling of plots using the tiledlayout and nexttile functions. Unfortunately the data is huge, so it is just a smear of points and cant see the density. The length of cВ must equal the length of xВ and y. I would like to plot data set 1 and data set 2 in one plot vertical. Vector - Use different colors for each marker and linearly map values in cВ to the colors in the current colormap. As most of us will agree, an easy to use environment is must for integrating tasks of computing, visualizing and finally programming. The number of rows must equal the length of xВ and y. Definition of Scatter Plot in Matlab MATLAB is a language used for technical computing. Each row of the matrix specifies an RGB triplet color for the corresponding marker. Three column matrix of RGB triplets - Use different colors for each marker. RGB triplet or color name - Plot all markers with the same color.

Matlab scatter plot