Technical and Vocational Training Corporation

Riyadh College of Technology

Department of Chemical Technology

Computational Method for Engineering Applications

$2^{ed}$ exam

Q$1$: Put $(v)$ for the correct sentence and put $(x)$ for the incorrect sentence

Command Window Use the Command Window to enter variables and run functions and M$-$files. $()$

Workspace consists of the set of variables $($named arrays$)$ built up during a MATLAB session and stored in memory. $1,$

clc Command Clears the Command window and homes the cursor $(-)$

clear Command: Clears the Command window and homes the cursor $()$

A semicolon $"$; $"$ at the end of a MATLAB statement suppresses printing of results. $()$

Lookfor Command provides help by searching through all the first lines of MATLAB help topics. $()$

To write a matrix $A$ in MATLAB write like $A=[123$;$456$;$789].()$

In matrix, Use a comma $(,)$ to indicate the end of each row. $()$

Q$2$: Choose the correct answer

$1.$

$x=\left[\begin{array}{cccccc}1& 2& 3\text{;}& 4& 5& 6\end{array}\right],$ surr $,$

A$.6$

B$.579$

C$.975$

D$.859$

$2.$

$15)$