Answered: I need help with the following MATLAB…

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

Section: Chapter Questions

Problem 1PE

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I need help with the following MATLAB code. I want to calculate HA = [H1 H2 H3]. Where H1 = I_c(1,1) * w(1,1), H2 = I_c(2,1) * w(2,1), H3 = I_c(3,1) * w(3,1). Then the next set of vectors, HB, are H1 = I_c(1,2) * w(1,2), H2 = I_c(2,2) * w(2,2), H3 = I_c(3,2) * w(3,2). Then there will be 2 more H vectors because I and w are 3x4 matrices. Doing this over and over again is too hard especially for large matrices. Can you help me make a loop where a matrix of H vectors can be calculated depending on the length of t. So, since length(t) = 4, the matrix H would look like [HA; HB; HC; HD] and the size if the matrix would be 3x4.

I_T = 2;
J = 1.5;
I = [I_T; I_T; J];

I_c = repmat(I,1,4)
t = 0:3;
w = [t; 2*t; 3*t]

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