# Solved: close all figures

When working with graphical representations in Matlab, situations often arise where it is necessary to close all currently open figure windows. This functionality is critical in terms of maintaining a clean and organized workspace, while preventing the use of excessive system resources. Manual closing of each figure window can be time-consuming, particularly when dealing with a large number of figures. Thankfully, the Matlab environment provides robust tools for accomplishing this task systematically.

```% command to close all figures
close all;
```

For the uninitiated, this single-line command may seem complex, but let’s break it down to its very foundations. The command written within the Matlab environment tells the interface to close all currently open figure windows.

## The ‘close’ Function

The ‘close’ function plays a paramount role in this operation. In our day-to-day interaction with Matlab, it’s almost certain we encounter a situation where we need to close a figure window. This is where the ‘close’ command comes into play.

```% to close a specific figure
figure(1);
plot(1:10);
% This command will close the current figure
close;
```

In this code, the ‘close’ function is used without any arguments, which prompts Matlab to close the current figure window.

## The ‘all’ Argument

The ‘all’ argument, when used in conjunction with the ‘close’ function, amplifies the scope of the action from a singular figure to all open figures.

```% to plot multiple figures
figure(1);
plot(1:10);

figure(2);
plot(10:-1:1);

% This command will close all figures
close all;
```

In this more complex example, multiple figures are generated, each with different plots. The ‘close all’ command is then used to terminate all of these figure windows at once.

## Other Pertinent Libraries or Functions

Matlab possesses other imperative libraries and functions that can assist with figure window management. One of them is the ‘figure’ function, which generates a new figure window when called. This function becomes especially important when creating multiple distinct figure windows. Another worth mentioning is the ‘plot’ command, used to design various plots and graphs in a figure window.

Understanding the underlying workings of closing figure windows in Matlab necessitates more than just a mere understanding of the ‘close all’ command. It also relies heavily on other functionalities like the ‘figure’ and ‘plot’ commands, which serve as the foundation for graphics rendering in Matlab.

Remember, however, that closing all figures should be conducted with caution, especially when working with essential data. It is always a good idea to save your work before executing this command. The nuances of managing figure windows within Matlab provide direct implications on the efficiency and organization of your operations, and mastering them is of the utmost importance.

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