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Related Concept Videos

Vector Algebra: Method of Components01:08

Vector Algebra: Method of Components

It is cumbersome to find the magnitudes of vectors using the parallelogram rule or using the graphical method to perform mathematical operations like addition, subtraction, and multiplication. There are two ways to circumvent this algebraic complexity. One way is to draw the vectors to scale, as in navigation, and read approximate vector lengths and angles (directions) from the graphs. The other way is to use the method of components.
In many applications, the magnitudes and directions of...
Vector Algebra: Graphical Method01:10

Vector Algebra: Graphical Method

Vectors can be multiplied by scalars, added to other vectors, or subtracted from other vectors. The vector sum of two (or more) vectors is called the resultant vector or, for short, the resultant.
We use the laws of geometry to construct resultant vectors, followed by trigonometry to find vector magnitudes and directions. For a geometric construction of the sum of two vectors in a plane, we follow the parallelogram rule. Suppose two vectors are at arbitrary positions. Translate either one of...
Vectors in 2D: Problem Solving01:29

Vectors in 2D: Problem Solving

A plane traveling due north at 180 km/h in still air was found to be 80 km off-course after 30 minutes, deviating approximately 5 degrees east of north. This deviation means the influence of a crosswind alters the plane’s intended trajectory. The actual ground path formed a diagonal, suggesting that the aircraft’s effective ground speed was reduced to 160 km/h and directed slightly to the east due to the wind.By analyzing the displacement from the intended path, the velocity contributed by the...
Vector or Cross Product01:17

Vector or Cross Product

Vector multiplication of two vectors yields a vector product, with the magnitude equal to the product of the individual vectors multiplied by the sine of the angle between both the vectors and the direction perpendicular to both the individual vectors. As there are always two directions perpendicular to a given plane, one on each side, the direction of the vector product is governed by the right-hand thumb rule.
Consider the cross product of two vectors. Imagine rotating the first vector about...
Vector Components in the Cartesian Coordinate System01:29

Vector Components in the Cartesian Coordinate System

Vectors are usually described in terms of their components in a coordinate system. Even in everyday life, we naturally invoke the concept of orthogonal projections in a rectangular coordinate system. For example, if someone gives you directions for a particular location, you will be told to go a few km in a direction like east, west, north, or south, along with the angle in which you are supposed to move. In a rectangular (Cartesian) xy-coordinate system in a plane, a point in a plane is...
Properties of Enantiomers and Optical Activity02:24

Properties of Enantiomers and Optical Activity

It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...

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Related Experiment Video

Updated: Jun 14, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Eigenvector determination by iterative optical methods.

B V Kumar, D Casasent

    Applied Optics
    |April 8, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study analyzes three power methods for computing matrix eigenvalues and eigenvectors on an iterative optical processor (IOP). The second method is identified as the most efficient for IOP implementation and processing speed.

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    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

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    Published on: August 12, 2013

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    Area of Science:

    • Numerical analysis
    • Optical computing
    • Linear algebra

    Background:

    • Eigenvalue and eigenvector computation is crucial for various scientific and engineering applications.
    • Iterative optical processors (IOPs) offer potential for high-speed matrix computations.

    Purpose of the Study:

    • To analyze and compare three power methods for eigenvalue and eigenvector computation on an IOP.
    • To determine the most suitable method considering implementation and processing speed.

    Main Methods:

    • Analysis of three distinct power iteration methods.
    • Evaluation of computational complexity and suitability for optical implementation.
    • Performance comparison based on processing speed and hardware constraints.

    Main Results:

    • All three methods are viable for eigenvalue and eigenvector computation on an IOP.
    • The second analyzed power method demonstrates superior performance.
    • This method is preferable to recently described alternatives for IOPs.

    Conclusions:

    • The second power method is recommended for eigenvalue and eigenvector calculations on iterative optical processors.
    • This method offers a balance of computational efficiency and practical implementation advantages.