Appendix D

# Solutions to Selected Exercises

## Chapter 1

1.1

```a = 3;
b = 5;
sum        =  a + b;
difference =  a - b;
product    =  a * b;
quotient   =  a / b;```

## Chapter 2

2.1

(a) Comma should be replaced by decimal point

(e) Asterisk should be omitted

(f) Exponent must be integer

(h) Comma should be replaced by decimal point

2.2

(b) Decimal point not allowed

(c) First character must be letter

(d) Quotes not allowed

(h) Blanks not allowed

(i) Allowed but not recommended

(k) Asterisk not allowed

(l) Allowed but not recommended

2.3

(a) p + w/u

(b) p + w/(u + v)

(c) (p + w/(u+v))/(p + w/(u-v))

(d) sqrt(x)

(e) y^(y+z)

(f) x^(y^z)

(g) (x^y)^z

(h) x - x^3/(3*2) + x^5/(5*4*3*2)

2.4

(a) i = i + 1

(b) i = î3 + j

(c)

`if e > f   g = e else ...`

Get Essential MATLAB for Engineers and Scientists, 6th Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.