Write a MATLAB code for the next excerise: The GUI should have the following elements:

A static text label with a title for the app

An input panel with $2$ numeric edit fields for Number of Targets and Grid Size $($In the previous

assignments, the grid size was fixed at $10.$ In this assignment it is variable.$)$ Each of these edit

fields should have a non$-$zero default value set in the design view of App Designer.

A set of axes to display the robot$/$target locations $($one set of axes total$-$the target locations

will only be displayed when a certain button is pressed$)$

Two text labels: one to display the number of targets found so far, and one to display the

number of neighboring targets to the robot's current position. The second label can also be used

to display the warning message when the user tries to move outside the grid boundaries.

Four buttons to move in the Up$,$ Down, Right, and Left directions. For this assignment, the robot

will always move one square at a time, unlike in the earlier assignments, where it could move

arbitrary distances. Therefore, DO NOT USE the input$()$ function.

When one of these buttons is pressed:

The grid matrix should update with the movement

The axes should update with the new robot position

The number of targets found should be displayed on a text label

The neighboring targets$/$error message should be displayed on another text

label

A Start button. When this button is clicked, the grid size and number of targets edit fields should

be read in$,$ the grid and the target matrices should be initialized, and the robot's coordinates

should be set to the center of the grid.

A Reset button. When the button is clicked, the grid and target matrices should be re$-$initialized

back to the non$-$zero number you originally set them to be$,$ the robot's coordinates should be

set to the center of the grid, and the number of targets found should be set back to zero.

A Stop button. When this button is clicked, the remaining target locations are displayed in the

axes.

It is expected for this assignment that you will re$-$use some of your own code from Application

$3($or Application $1$ if you did not complete App $3).$ If you still have unanswered questions about

the earlier assignments, work with the TAs or instructor to address them before starting this

assignment.Note: You can use the same show$\_$image function from Applications $1$ and $3$; provide the

axes handle as the second argument:

show$\_$image$($matrix$\_$name, app.UIAxes$)$

Callbacks

You must create and program callbacks for all buttons, so that when a button is clicked, the

program executes the correct action. The Up$,$ Down, Right, and Left callbacks will be nearly

identical, each containing most of the code from the movement section of your earlier

applications.

Global Variables and Startup Function

In this program, there is a lot of information that must be shared among the various functions $-$

the grid and target matrices, number of targets found so far, robot coordinates, etc. The easiest

way to share this information among functions is to make the variables global. For example, if

you have a variable called $x$ that you want to make global, put this declaration at the beginning

of each callback that uses the variable:

global X

All global variables should be initialized in the startup function. To add a startup function to

your app, click on the Add Callback button, and select StartupFcn as the callback, as shown

here:

Add Callback Function

App:

app$1$

Callback: StartupFen

Name:

startupFcn