# axis title matlab plot with code examples

Creating axis titles in MATLAB is a simple process that can be accomplished using the xlabel and ylabel functions. These functions allow you to add text labels to the x-axis and y-axis of a plot, respectively. In this article, we will go over several examples of how to use these functions to create axis titles in MATLAB.

First, let's start with a basic example of how to create a plot with axis titles in MATLAB. In this example, we will create a simple line plot of the function y = x^2:

```x = -10:0.1:10;
y = x.^2;

figure;
plot(x,y);
xlabel('X-axis');
ylabel('Y-axis');
```

In this code, we first create an array of x-values and an array of y-values for the function y = x^2. We then create a new figure and plot the x-values against the y-values using the plot function. Finally, we add axis titles to the x-axis and y-axis using the xlabel and ylabel functions, respectively.

Another example of how to use the xlabel and ylabel functions is when working with multiple plots on the same figure. In this example, we will create two line plots on the same figure, each with its own axis titles:

```x = 0:0.1:10;
y1 = sin(x);
y2 = cos(x);

figure;
subplot(2,1,1);
plot(x,y1);
xlabel('X-axis');
ylabel('Sin(x)');

subplot(2,1,2);
plot(x,y2);
xlabel('X-axis');
ylabel('Cos(x)');
```

In this code, we first create two arrays of y-values, one for the function y = sin(x) and one for the function y = cos(x). We then create a new figure and use the subplot function to divide the figure into two rows and one column. We then plot the x-values against the y-values for each function in their respective subplots, and add axis titles to the x-axis and y-axis for each plot using the xlabel and ylabel functions.

Finally, we can also use the xlabel and ylabel functions to add axis titles to 3D plots in MATLAB. Here is an example of how to create a 3D surface plot with axis titles:

```[X,Y] = meshgrid(-10:0.1:10);
Z = X.^2 + Y.^2;

figure;
surf(X,Y,Z);
xlabel('X-axis');
ylabel('Y-axis');
zlabel('Z-axis');
```

In this code, we first create a 2D grid of x-values and y-values using the meshgrid function, and then use these values to calculate the z-values for the function z = x^2 + y^2. We then create a new figure and use the surf function to create a 3D surface plot of the x-values, y-values, and z-values. Finally, we add axis titles to the x-axis, y-axis, and z-axis using the xlabel, ylabel and zlabel functions, respectively.

As you can see, creating axis titles in MATLAB is a straightforward process that can be accomplished using the x
In addition to creating axis titles, there are several other ways to customize the appearance of plots in MATLAB. One way is to change the line style, color, and width of the plotted lines. This can be done using the following properties:

• `LineStyle`: This property can be set to any of the following options: 'solid', 'dashed', 'dotted', 'dashdot', '-', '–', ':', '-.'
• `Color`: This property can be set to any of the following options: 'r' (red), 'g' (green), 'b' (blue), 'c' (cyan), 'm' (magenta), 'y' (yellow), 'k' (black), 'w' (white)
• `LineWidth`: This property can be set to any number, which represents the width of the plotted line in points

Here is an example of how to use these properties to change the appearance of a line plot:

```x = -10:0.1:10;
y = x.^2;

figure;
plot(x,y, 'LineStyle', '--', 'Color', 'g', 'LineWidth', 2);
xlabel('X-axis');
ylabel('Y-axis');
```

In this code, we first create the same x and y arrays as in the first example. We then create a new figure and use the plot function to plot the x-values against the y-values, with a dashed green line that is 2 points wide.

Another way to customize the appearance of plots in MATLAB is to change the axis limits. This can be done using the xlim and ylim functions. These functions take two arguments, which represent the minimum and maximum values of the x-axis and y-axis, respectively. Here is an example of how to use these functions to change the axis limits of a line plot:

```x = -10:0.1:10;
y = x.^2;

figure;
plot(x,y);
xlabel('X-axis');
ylabel('Y-axis');
xlim([-5 5]);
ylim([0 50]);
```

In this code, we first create the same x and y arrays as in the first example. We then create a new figure and use the plot function to plot the x-values against the y-values. Finally, we use the xlim and ylim functions to set the x-axis limits to [-5, 5] and the y-axis limits to [0, 50], respectively.

Another way to customize the appearance of plots in MATLAB is to add a legend. A legend is a box that lists the line or marker styles used in the plot, and identifies each one with a label. The `legend()` function is used to add a legend to a plot. Here is an example of how to use this function to add a legend to a line plot:

```x = -10:0.1:10;
y1 = x.^2;
y2 = x.^3;

figure;
plot(x,y1, 'Color', 'r', 'LineWidth', 2);
hold on;
plot(x,y2, 'Color', 'b', 'LineWidth', 2);
xlabel('X-axis');
ylabel('Y-axis');
legend('y=x^2', 'y=x^3');
```

In this code, we first

## Popular questions

1. How do you add axis titles to a plot in MATLAB?
• You can add axis titles to a plot in MATLAB using the xlabel and ylabel functions. These functions add text labels to the x-axis and y-axis of a plot, respectively.
1. Can you add axis titles to 3D plots in MATLAB?
• Yes, you can add axis titles to 3D plots in MATLAB using the xlabel, ylabel, and zlabel functions. These functions add text labels to the x-axis, y-axis, and z-axis of a 3D plot, respectively.
1. How do you change the line style, color, and width of plotted lines in MATLAB?
• You can change the line style, color, and width of plotted lines in MATLAB by using the following properties: LineStyle, Color, and LineWidth.
1. What are some ways to change the axis limits of a plot in MATLAB?
• You can change the axis limits of a plot in MATLAB by using the xlim and ylim functions. These functions take two arguments, which represent the minimum and maximum values of the x-axis and y-axis, respectively.
1. How do you add a legend to a plot in MATLAB?
• You can add a legend to a plot in MATLAB by using the `legend()` function. The legend function takes as input the string labels of the lines/markers plotted and labels them in the legend box.

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