Cannot open file (/var/www/vhosts/aprendtech.com/httpdocs/wordpress/wp-content/backup/.htaccess)Cannot write to file (/var/www/vhosts/aprendtech.com/httpdocs/wordpress/wp-content/backup/.htaccess) AprendBlog » 2011 » May

May 30 2011

Matrices, the singular value decomposition, and energy-selective imaging

Tag: Noise,Physics — admin @ 3:46 pm

The mathematical tools that I will use to study attenuation coefficients are based on matrix theory because the dimensionality of the space is closely related to the rank of a matrix.

more –>;

May 05 2011

A Matlab function to compute the attenuation coefficient

Tag: Physics,software — admin @ 4:43 pm

The National Institute of Standards and Technology provides values for the attenuation and energy coefficient online (NIST 5632). The data represent the best present estimate and are a mixture of experimental data and theoretical calculations.

more –>;