Engineering 1N
THE NATURE OF ENGINEERING
Accuracy, Precision, Errors, and Significant Figures
Errors like straws upon the surface flow;
He who would search for pearls must dive below.
Dryden
Errors
Measurements are always characterized by uncertainty. Whe

EE103 (Fall 2011-12)
8. Linear least-squares
definition
examples and applications
solution of a least-squares problem, normal equations
8-1
Definition
overdetermined linear equations
Ax = b
(A is m n with m > n)
if b 6 range(A), cannot solve for x
leas

06/03/2016
HarmonicsandHarmonicFrequencyinACCircuits
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Harmonics
Harmonics and Harmonic Frequency
In an AC circuit, a resistance

Module 10 : Differential Protection of Bus, Transformer and Generator
Lecture 40 : Generator Protection
Objectives
In this lecture, we will learn about protection of generator against various faults and abnormalities like:
Internal Fault like LLG, phase a

Triple Integrals
Math 21a
1
Spring, 2009
Evaluate the following triple integrals as iterated integrals.
ZZZ
xy dV , where E = [0, 1] [0, 2] [0, 3].
(a)
E
ZZZ
xy 3 z 2 dV , where E = [1, 1] [3, 3] [0, 3].
(b)
E
ZZZ
y 2 z cos(xyz) dV , where E = [0, ] [0, 1

Systems of Units:
Foot-Pound-Second System or British System(F.P.S):
Unit of length: Foot
Unit of Mass : Pound
Unit of Time : Second
Centimetre-Gramme-Second System or French System(C.G.S):
Unit of length: Centimetre
Unit of Mass : Gramme
Unit of Time : S

The Least Squares Regression Model
The famous German mathematician Carl Friedrich Gauss had investigated the method of least
squares as early as 1794, but unfortunately he did not publish the method until 1809. In the
meantime, the method was discovered a