How To Plot In Matlab

Fplotname of function interval.

How to plot in matlab. To plot the graph of a function you need to take the following steps define x by specifying the range of values for the variable x for which the function is to be plotted. The mesh function creates a wireframe mesh. The third input to subplot tells matlab in what location to place the graph from the next plot command. Its possible to create any sort of plot using commands just as it is to use the graphic aids that matlab provides.

Types of matlab plots. So you will basically type in the name of the function first and then type in the interval. In the example above our figure will have three rows of plots and one column. Step 1 open the command window.

To plot an anonymous function you must use fplot even if your function is not named f. There are various functions that you can use to plot data in matlab this table classifies and illustrates the common graphics functions. On the next line of the script file enter the following. Now that you have created data you can plot it to a graph using the plot command.

Define the function y fx call the plot command as plotx y following example would demonstrate the concept. You will be prompted to save the script file name it myfirstplot and save it to the folder. Matlab also has methods for modifying the appearance of the plot using commands. This is typically done in the form of xvector or function and yvector or function remember to use the dot operator when multiplying or dividing vectors and matrices.

Create the top plot by passing ax1 to the plot function. Plotxy after this command is entered run the file by either pressing the f5 button on your keyboard or clicking the run button located in the top toolbar almost in the center of the screen. The proper syntax for fplot is. Imagine it as how many rows and columns of plots there will be in the figure.

Afterwards select layout and then defaultstep 3 in the command window define both of your x and y vectors. This time the sine wave is shown as an area plot. The first two inputs tell matlab how to split the figure up. Add a title and y axis label to the plot by passing the axes to the title and ylabel functions.

For example type areaxsinx grid and press enter. Repeat the process to create the bottom plot. This value will change depending on the number of rows and columns for the plot. This example shows how to create a variety of 3 d plots in matlab.

In the default layout this should appear automatically as the biggest window displayedstep 2 if the command window isnt present select home in the upper left corner.