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Matrix definitions:
As we know the matrix can be thought of as a table of values in which there are both rows and columns. The most common form of a matrix A (that is sometimes written as [A]) is shown below:
This matrix has m rows and n columns; therefore the size is m × n.
A vector is a special case of a matrix, in which one of the dimensions (either the m or n) is 1. The row vector is a 1 × n matrix. The column vector is an m × 1 matrix. The scalar is a special case of matrix in which both the m and n are 1; therefore it is a single value or a 1 ×1 matrix.
Scaling: change a row by multiplying it by a non-zero scalar sri → ri For illustration, for the matrix:
Forward elimination: In forward elimination, we want to obtain a 0 in the a 21 position. To accomplish this, we can alter the second line in the matrix by subtracting from it
Gauss, Gauss-Jordan elimination: For 2 × 2 systems of equations, there are well-defined, easy solution techniques. Though, for the larger systems of equations, finding solutio
about sampling theorem
Function strncmp: The function strncmp compares only the first n characters in the strings and ignores the rest. The initial two arguments are strings to compare, and third ar
Executing a program: Running the program would be completed by typing the name of the script; this would call the other functions: >> calcandprintarea Whenever prompt
Program of passing arguments to functions: This was an illustration of a function which did not receive any input arguments nor did it return any output arguments; it easily a
Basic mathematical operations: All the basic mathematical operations can be executed on symbolic expressions and variables (example, add, raise to a power, multiply, subtract,
calcrectarea subfunction: function call: area = calcrectarea(len,wid); function header: function area = calcrectarea(len, wid) In the function call, the two arg
Function used in sound files: The MATLAB has numerous other functions which let you read and play sound or audio files. In the audio files, sampled data for each audio channel
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