Assuming that you have a non-empty SQUARE matrix B of size n (assume n >= 2; assume n is a variable present in Workspace) available in your Workspace, which Matlab command will create a vector comprised of all element values present on matrix B diagonal?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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  1. Assuming that you have a non-empty SQUARE matrix B of size n (assume n >= 2; assume n is a variable present in Workspace) available in your Workspace, which Matlab command will create a vector comprised of all element values present on matrix B diagonal? For example, if:

    B =
         1     0     0     0 

         0     2     0     0 

         0     0     3     0 

         0     0     0     4 

    The result should be:

               1     2     3     4

       

    B(1:(n+1):end)

       

    B(1:n:end)

       

    B(1:(n-1):end)

       

    B(1:-n:end)

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