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Matlab programming Your task to implement a function which computes the n-region sign chart of a polynomial. This question is similar to the previous sign chart question, so you could use your solution to that one as a starting point for this one. However, because on this exercise the number of zeros is not fixed at 2, you will need to use a different technique to iterate over the regions, such as a loop. If v is a vector then v(1) and v(end) are the first and last elements of x, respectively. Matlab programming Your task to implement a function which computes the n-region sign chart of a polynomial. Hints This question is similar to the previous sign chart question, so you could use your solution to that one as a starting point for this one. However, because on this exercise the number of zeros is not fixed at 2, you will need to use a different technique to iterate over the regions, such as a loop. If v is a vector then v(1) and v(end) are the first and last elements of x, respectively. Matlab programming Your task to implement a function which computes the n-region sign chart of a polynomial. This question is similar to the previous sign chart question, so you could use your solution to that one as a starting point for this one. However, because on this exercise the number of zeros is not fixed at 2, you will need to use a different technique to iterate over the regions, such as a loop. If v is a vector then v(1) and v(end) are the first and last elements of x, respectively.

Explanation / Answer

verbose = 0; if ( verbose ) timestamp ( ); fprintf ( 1, ' ' ); fprintf ( 1, 'DIAPHONY: ' ); fprintf ( 1, ' MATLAB version ' ); fprintf ( 1, ' Compute the diaphony of a point set. ' ); end % % Get the filename. % if ( nargin < 1 ) fprintf ( 1, ' ' ); input_filename = input ( 'Enter the name of the input file.' ); end % % Get the data size. % [ dim_num, point_num ] = r8mat_header_read ( input_filename ); if ( verbose ) fprintf ( 1, ' ' ); fprintf ( 1, ' The spatial dimension is %d ', dim_num ); fprintf ( 1, ' The number of points is %d ', point_num ); end % % Read the data. % points = r8mat_data_read ( input_filename, dim_num, point_num ); if ( min ( min ( points ) ) < 0.0 ) fprintf ( 1, ' ' ); fprintf ( 1, 'DIAPHONY - Fatal error! ' ); fprintf ( 1, ' At least one coordinate of a point is less than 0! ' ); error ( 'DIAPHONY - Fatal error!' ) elseif ( 1.0

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