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> Financial Mathematics |
MATLAB Functions
List of some commonly used built-in Mathematical functions in MATLAB and their examples.
| Square root | sqrt(x) |
Examples
(1)
>> sqrt(4) (press Enter)
ans =
2
(2)
>> sqrt(9) (press Enter)
ans =
3
(3)
>> sqrt(70+11) (press Enter)
ans =
9
| Exponential | exp(x) |
Examples
(1)
>> exp(4) (press Enter)
ans =
2
(2)
>> sqrt(9) (press Enter)
ans =
3
(3)
>> sqrt(70+11) (press Enter)
ans =
9
| Log (base e) | log(x) |
Examples
(1)
>> log(1) (press Enter)
ans =
0
(2)
>> log(5) (press Enter)
ans =
1.609
(3)
>> log(1000) (press Enter)
ans =
3.0000
| Log (base 10) | log10(x) |
Examples
(1)
>> log10(1) (press Enter)
ans =
0
(2)
>> log10(10) (press Enter)
ans =
1.0000
(3)
>> log10(100) (press Enter)
ans =
2.0000
| Nth root | nthroot(x,n) |  |
Examples
(1)
>> nthroot(25,2) (press Enter)
ans =
5
(2)
>> nthroot(8,3) (press Enter)
ans =
2
(3)
>> nthroot(16,4) (press Enter)
ans =
2
| Absolute Value | abs(x) |
Examples
(1)
>> abs(-10) (press Enter)
ans =
10
(2)
>> abs(-13) (press Enter)
ans =
13
| Factorial | factorial(x) |
Examples
(1)
>> factorial(4) (press Enter)
ans =
24
(2)
>> factorial(5) (press Enter)
ans =
120
| Remainder | rem(x,y) |
Examples
(1)
>> rem(10,3) (press Enter)
ans =
1
[When 10 is divided by 3, the remainder is 1.]
(2)
>> rem(12,5) (press Enter)
ans =
2
[When 12 is divided by 5, the remainder is 2.]
| Trigonometric Functions | sin(radian) | sind(degree) |
Examples
| (1) |  |
ans =
0.5000
(2)
>> sind(30) (press Enter)
ans =
0.5000
(3)
>> tand(30) (press Enter)
ans =
0.5774
| (4) |  |
ans =
0.7071
NOTE: Only sin(angle) for angles in radians, and sind(angle) for angles in degree. Same for all trigonometric functions: sin, cos, tan, cot, sec and cosec.