4X1 + 3X2 + 5X3 = 4 3X1 + 2X2 – 4X3 = 7 -2X1 + 4X2 + 3X3 = 5
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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Transcribed Image Text:by use matlab
Q1.
4X, + 3х, + 5X; %3D4
3X1 + 2X2 – 4X3 = 7
-2X, + 4X2 + 3X3 = 5
Q2.
T + T2 + 273 +3T = -1
27, + 37, – T3-T, = -1
%3D
T1 – 273 – T4 = 6
T, + 27, + 3T3 – T4 = 3
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