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All About Soft Computing
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Tuesday, May 29, 2012
Cloud computing and Soft Computing
Clouding
computing is emerging as a powerful new computing revolution, which many
predict well not only reshape business, society and culture in a profound way,
but also provide an electrifying impact on the way how we do research and
education in science and engineering. It is the most recent evolution of
distributed and scalable computing that uses internet-based ("cloud")
computing. As described in Wikipedia, 'It is a style of computing in which
IT-related capabilities are provided "as a service," allowing users
to access technology-enabled services from the Internet ("in the
cloud") without knowledge of, expertise with, or control over the
technology infrastructure that supports them." It incorporates a number of
recent Web-based computing trends such as software as a service and Web2.0, and
is quickly replacing cluster and grid computing that has been the preferred
method of meeting needs for high end computing such as what is needed for many
scientific computing applications.
A Definition of Soft Computing - adapted from L.A. Zadeh
What Is Soft Computing?
Soft computing differs from conventional (hard) computing in that, unlike
hard computing, it is tolerant of imprecision, uncertainty, partial truth,
and approximation. In effect, the role model for soft computing is the human
mind. The guiding principle of soft computing is: Exploit the tolerance
for imprecision, uncertainty, partial truth, and approximation to achieve
tractability, robustness and low solution cost. The basic ideas underlying
soft computing in its current incarnation have links to many earlier influences,
among them Zadeh's 1965 paper on fuzzy sets; the 1973 paper on the analysis
of complex systems and decision processes; and the 1979 report (1981 paper)
on possibility theory and soft data analysis. The inclusion of neural computing
and genetic computing in soft computing came at a later point.
Soft computing techniques
Artificial neural networks (ANN) are
data modelling tools that are increasingly used in civil and
geotechnical engineering because of their ability to model complex
relationships between inputs and outputs without a theoretical model.
The aim of this project was to study the capability of ANN to
simulate the output of a problem where it was possible to compare the
results with an existing numerical model. The undrained capacity T-max
of suction anchors in soft clay was chosen as a suitable problem.
Soft Computing
What is Soft Computing?
Introduction
The concept of fuzzy set was introduced by Zadeh in 1965 to allow elements to belong to a set in a gradual rather than an abrupt way (i.e. permitting memberships valued in the interval [0,1] instead of in the set {0,1}). Ever since then, applications and developments based on this simple concept have evolved to such an extent that it is practically impossible nowadays to encounter any area or problem where applications, developments, products, etc. are not based on fuzzy sets.
The concept of fuzzy set was introduced by Zadeh in 1965 to allow elements to belong to a set in a gradual rather than an abrupt way (i.e. permitting memberships valued in the interval [0,1] instead of in the set {0,1}). Ever since then, applications and developments based on this simple concept have evolved to such an extent that it is practically impossible nowadays to encounter any area or problem where applications, developments, products, etc. are not based on fuzzy sets.
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