MATH 251: MATH SOFTWARE An Introduction to MATLAB

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Al Imam Mohammad Bin Saud Islamic University College of Sciences Department of Mathematics. MATH 251: MATH SOFTWARE An Introduction to MATLAB. Exercises sheet. Mrs. Asra Sultana. 1st semester 1431-1432. MATH SOFTWARE - INTRODUCTION TO MATLAB Tutorial Sheet 1. Exercise 1 :

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Al Imam Mohammad Bin Saud Islamic University College of SciencesDepartment of Mathematics

### MATH 251: MATH SOFTWAREAn Introduction to MATLAB

Exercises sheet

Mrs. Asra Sultana

1st semester 1431-1432

MATH SOFTWARE - INTRODUCTION TO MATLAB Tutorial Sheet 1

Exercise 1 :

1. Give three examples of square matrices.

2. Give three examples of rectangular matrices.

3. Give three examples of row vectors and three examples of column vectors.

Exercise 2 :

Give three examples of matrices

1. of size (2; 3)

2. of size (6; 1)

3. of size (4; 2)

Exercise 3 :

Let

1. What is the size of A?

2. What are the values of the entries

Exercise 4 :

May I do the following? If yes give the result.

Exercise 5 :

• May I do the following? If yes give the result.
• Exercise 6 :
• 1.Calculate AB and BA. Are they equals ? why ?
• 2. Calculate
• 3. Is A symmetric ? Is B symmetric ?
• 4. Give three examples of symmetric matrices ?
• 5. Can a symmetric matrix be rectangular ? Explain ?
• 6. Compute the product AI and IA where I is the identity matrix. What do you observe ?
• 7. Give some examples of diagonal and triangular matrices.
• Exercise 7:
• Calculate the value of in which
• Exercise 8 :
• For which values of e, f, g and h the matrix B is inverse of A