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AWS EC2 Real Story on Elastic Cloud Computing

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The short name for Amazon Elastic Computing Cloud is EC2. You can keep this point as an interview question. The computing capacity has an elastic property. Based on your requirement you can increase or decrease computing power.
You need to be very attentive when you enable Auto scaling feature. It is a responsibility on Admins. Amazon AWS EC2Making your existing hardware to the requirement, always is not so easy. So the EC2 feature in AWS helps you to allocate computing power according to your needs. AWS EC2 instance acts as your physical server.It has memory.You can increase the instance size in terms of CPU, Memory, Storage and GPU.EC2 auto scaling is a property, where it automatically increase your computing power. List of Top Security Features in EC2  1#. Virtual Private CloudThe responsibility of Virtual Private Cloud, is to safeguard each instance separately. That means, you cannot access others instance, which is already created by other organization.
2#. Network Access Control L…
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Top key points about Matlab Software Package (1 of 2)

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Matlab is probably the world's most successful commercial numerical analysis software package, and its name is derived from the term "matrix laboratory." It provides an interactive development tool for scientific and engineering problems and more generally for those areas where significant numeric computations have to be performed.

Matlab Package

The package can be used to evaluate single statements directly or a list of statements called a script can be prepared. Once named and saved, a script can be executed as an entity. 
Matlab package helps to solve your engineering problems.
The package was originally based on software produced by the LINPACK and EISPACK projects but currently includes LAPACK and BLAS libraries which represent the current "state-of-the-art" numerical software for matrix computations.

 Matlab provides the user with:
  • Easy manipulation of matrix structures 
  • A vast number of powerful built-in routines that are constantly growing and developing 
  • Powerful two- and three-dimensional graphing facilities 
  • A scripting system that allows users to develop and modify the software for their own needs 
  • Collections of functions, called toolboxes, that may be added to the facilities of the core Matlab. These are designed for specific applications, for example, neural networks, optimization, digital signal processing, and higher-order spectral analysis.
Role of performing Complex Tasks is easy

Perform Complex Tasks

  1. It is not difficult to use Matlab, although to use it with maximum efficiency for complex tasks requires experience. Generally, Matlab works with rectangular or square arrays of data (matrices), the elements of which may be real or complex. 
  2. A scalar quantity is thus a matrix containing a single element. This is an elegant and powerful notion but it can present the user with an initial conceptual difficulty.
  3. A user schooled in such languages as C++ or Python is familiar with a pseudo-statement of the form A = B + C and can immediately interpret it as an instruction that A is assigned the sum of values of the numbers stored in B and C.
  4. In Matlab, the variables B and C may represent arrays so that each element of the array A will become the sum of the values of corresponding elements of B and C.
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