![]() ![]() Let's assume that we want to plot the following elegant exponential and sinusoidal function: let's draw a simple discrete function % Avoid superimposed operations and close previous figs. 'stem' does not join the circles with a line, and it is very helpful to stress the fact that the function is not continuous but discrete. It draws vertical lines (with a little circle at the tip) proportional to the value of the function at that particular horizontal value. In this example, we study the 'stem' instruction to plot Matlab functions. H = stem(.) returns handles to line graphics objects Examples Create a stem plot of 10 random numbers. ![]() Stem(.,LineSpec) specifies the line style, marker symbol, and color for the stem plot. stem(.,'fill') specifies whether to color the circle at the end of the stem. Over 20 examples of Subplots including changing color, size, log axes. 1 Answer Sorted by: 0 This can be easily achieved by splitting data into three separate groups based on the reference period ( logical indexing) and, subsequently, by plotting a separate stem for every group on the same axis ( hold approach ): Build data. Additionally, X can be a row or a column vector and Y a matrix with length(X) rows. Learn more about plot, stem, axes, ticks MATLABThis is how you draw a filled. X and Y are vectors or matrices of the same size. stem(X,Y) plots X versus the columns of Y. When Y is a matrix, stem plots all elements in a row against the same x value. stem(Y) plots the data sequence Y as stems that extend from equally spaced and automatically generated values along the x-axis. stem(Y) // It plots the data sequence Y as stems that extends from equally spaced and automatically created values along the x-axis. A circle (the default) or other marker whose y-position represents the data value terminates each stem. A two-dimensional stem plot displays data as lines extending from the x-axis.
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