Using functions with the vectors and matrices, MATLAB in Mathematics

Assignment Help:

Using Functions with the Vectors and Matrices:

As MATLAB is written to work with the vectors and matrices, the whole vector or matrix can be passed as an argument to the function. MATLAB will compute the function on every element, and return as a result the vector or matrix with similar dimensions as the original. For illustration, we could pass the vector below, vec, to the abs function in order to get the absolute value of each and every element.

>> vec = -3:4

vec =

-3    -2    -1    0    1    2    3    4

>> abs(vec)

ans =

 3    2    1    0    1    2    3    4

The original vector vec has 8 elements, and as the abs function is computed for every element, the resulting vector also has 8 elements.

This would also be the case for matrices:

>> mat = randint(2,3,[-5,5])

mat =

-5 -1  0

 3  5 -1

>> abs(mat)

ans =

5 1 0

3 5 1


Related Discussions:- Using functions with the vectors and matrices

Fprintf function - file function, fprintf function - File function: Th...

fprintf function - File function: The fprintf function really returns the number of bytes which was written to the file, therefore if you do not want to see that number, suppr

Matrix of plots - plot functions, Matrix of Plots: The other function ...

Matrix of Plots: The other function which is very useful with any type of plot is subplot that creates a matrix of plots in the present Figure Window. The three arguments are

Function fopen - file function, Function fopen - file function: The pe...

Function fopen - file function: The permission string in the call to the fopen function identifies that the file is opened for writing to it. Just as when reading from a file,

Cholesky factorisation of packed storage matrix, If I have a vector represe...

If I have a vector representing the packed storage form of a symmetric matrix, how do I perform a cholesky factorisation on that?

Illustration of logical vectors, Illustration of Logical vectors: Call...

Illustration of Logical vectors: Calling the function appears to return similar vector as simply vec > 5, and summing the result still works to determine how many elements wer

Concatenation, Concatenation: The String concatenation means to join t...

Concatenation: The String concatenation means to join the strings altogether. Of course, as strings are merely vectors of the characters, the technique of concatenating vector

Illustration of nested function, Illustration of nested function: The ...

Illustration of nested function: The output arguments are distinct from variables. The scope of an output argument is merely the nested function; and it cannot be used in the

Sprintf function, sprintf function: The sprintf function works precise...

sprintf function: The sprintf function works precisely like the fprintf function, but rather than printing it generates a string. Here are some illustrations in which the outp

Illustration of logical built-in functions, Illustration of logical built-i...

Illustration of logical built-in functions: The function find returns the indices of a vector which meet certain criteria. For illustration, to find all the elements in a vect

Differentiation, Differentiation: The derivative of a function y = f(x...

Differentiation: The derivative of a function y = f(x) can be written as follows or f  '(x) and is defined as the rate of change of the dependent variable y with respe

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd