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Lecture notes Electrical Engineering (MATLAB)
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Array using MATLAB plot graphs using doing math and using mathematical function using MATLAB
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University of KwaZulu-NatalSchool of Engineering
Howard College Campus
Electrical Design 1
(ENEL 1ED H2)
Introduction to Matlab
, Introduction
Mathematical Functions
In mathematics, a function is an expression that accepts
one or more input values and calculates results from them.
One of the Matlab’s greatest strength is that it comes with
an incredible variety of built-in functions ready for use.
The Matlab functions can be broadly classified as:
(a) Elementary functions
(b) Special functions
, Introduction
(a) Elementary functions
Elementary functions can be seen listed on command window
by typing the command help elfun
Elementary functions are listed below for a ready reference.
Function Type Function Description
Trigonometric sin Sine of argument in radians
sind Sine of argument in degrees
sinh Hyperbolic sine
asin Inverse sine
, Introduction
Function Type Function Description
Trigonometric asind Inverse sine, result in degrees
asinh Inverse hyperbolic sine
cos Cosine
cosd Cosine of argument in degrees
cosh Hyperbolic cosine
acos Inverse cosine
acosd Inverse cosine, result in degrees
acosh Inverse hyperbolic cosine
Tan Tangent
Tand Tangent of argument in degrees
tanh Hyperbolic tangent
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