🗊Презентация Introduction to vectors

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Introduction to vectors, слайд №1Introduction to vectors, слайд №2Introduction to vectors, слайд №3Introduction to vectors, слайд №4Introduction to vectors, слайд №5Introduction to vectors, слайд №6Introduction to vectors, слайд №7Introduction to vectors, слайд №8Introduction to vectors, слайд №9Introduction to vectors, слайд №10Introduction to vectors, слайд №11Introduction to vectors, слайд №12Introduction to vectors, слайд №13Introduction to vectors, слайд №14Introduction to vectors, слайд №15Introduction to vectors, слайд №16Introduction to vectors, слайд №17Introduction to vectors, слайд №18Introduction to vectors, слайд №19Introduction to vectors, слайд №20Introduction to vectors, слайд №21Introduction to vectors, слайд №22Introduction to vectors, слайд №23Introduction to vectors, слайд №24Introduction to vectors, слайд №25Introduction to vectors, слайд №26Introduction to vectors, слайд №27Introduction to vectors, слайд №28Introduction to vectors, слайд №29Introduction to vectors, слайд №30Introduction to vectors, слайд №31

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Introduction to Vectors
Karashbayeva Zh.O.
Описание слайда:
Introduction to Vectors Karashbayeva Zh.O.

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What are Vectors?
Vectors are pairs of a direction and a magnitude.  We usually represent a vector with an arrow:
Описание слайда:
What are Vectors? Vectors are pairs of a direction and a magnitude. We usually represent a vector with an arrow:

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Vectors in Rn
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Vectors in Rn

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Multiples of Vectors
   Given a real number c, we can multiply a vector by c by multiplying its magnitude by c:
Описание слайда:
Multiples of Vectors Given a real number c, we can multiply a vector by c by multiplying its magnitude by c:

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Adding Vectors
   Two vectors can be added using the Parallelogram Law
Описание слайда:
Adding Vectors Two vectors can be added using the Parallelogram Law

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Combinations
These operations can be combined.
Описание слайда:
Combinations These operations can be combined.

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Components
   To do computations with vectors, we place them in the plane and find their components.
Описание слайда:
Components To do computations with vectors, we place them in the plane and find their components.

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Components
   The initial point is the tail, the head is the terminal point.  The components are obtained by subtracting coordinates of the initial point from those of the terminal point.
Описание слайда:
Components The initial point is the tail, the head is the terminal point. The components are obtained by subtracting coordinates of the initial point from those of the terminal point.

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Components
   The first component of v is 5 -2 = 3.
   The second is 6 -2 = 4.
   We write v = <3,4>
Описание слайда:
Components The first component of v is 5 -2 = 3. The second is 6 -2 = 4. We write v = <3,4>

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Magnitude
   The magnitude of the vector is the length of the segment, it is written ||v||.
Описание слайда:
Magnitude The magnitude of the vector is the length of the segment, it is written ||v||.

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Scalar Multiplication
   Once we have a vector in component form, the arithmetic operations are easy.
   To multiply a vector by a real number, simply multiply each component by that number.
   Example: If v = <3,4>, -2v = <-6,-8>
Описание слайда:
Scalar Multiplication Once we have a vector in component form, the arithmetic operations are easy. To multiply a vector by a real number, simply multiply each component by that number. Example: If v = <3,4>, -2v = <-6,-8>

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Addition
   To add vectors, simply add their components.
   For example, if v = <3,4> and w = <-2,5>,
   then v + w = <1,9>.
   Other combinations are possible.  
   For example: 4v – 2w = <16,6>.
Описание слайда:
Addition To add vectors, simply add their components. For example, if v = <3,4> and w = <-2,5>, then v + w = <1,9>. Other combinations are possible. For example: 4v – 2w = <16,6>.

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Unit Vectors
  A unit vector is a vector with magnitude 1.
  Given a vector v, we can form a unit vector
  by multiplying the vector by 1/||v||.
  For example, find the unit vector in the
  direction <3,4>:
Описание слайда:
Unit Vectors A unit vector is a vector with magnitude 1. Given a vector v, we can form a unit vector by multiplying the vector by 1/||v||. For example, find the unit vector in the direction <3,4>:

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Special Unit Vectors
   A vector such as <3,4> can be written as
   3<1,0> + 4<0,1>.  
   For this reason, these vectors are given special names: i = <1,0> and j = <0,1>.
   A vector in component form v = <a,b> can be written ai + bj.
Описание слайда:
Special Unit Vectors A vector such as <3,4> can be written as 3<1,0> + 4<0,1>. For this reason, these vectors are given special names: i = <1,0> and j = <0,1>. A vector in component form v = <a,b> can be written ai + bj.

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Introduction to vectors, слайд №15
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Introduction to vectors, слайд №16
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Spanning Sets and Linear Independence
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Spanning Sets and Linear Independence

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Introduction to vectors, слайд №18
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Introduction to vectors, слайд №19
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Introduction to vectors, слайд №20
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Introduction to vectors, слайд №21
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Introduction to vectors, слайд №22
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Introduction to vectors, слайд №23
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Introduction to vectors, слайд №24
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Introduction to vectors, слайд №25
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Introduction to vectors, слайд №26
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EX: Testing for linear independence
EX: Testing for linear independence
	 Determine whether the following set of vectors in P2 is L.I. or L.D.
Описание слайда:
EX: Testing for linear independence EX: Testing for linear independence Determine whether the following set of vectors in P2 is L.I. or L.D.

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Basis and Dimension
 Basis :
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Basis and Dimension Basis :

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Introduction to vectors, слайд №29
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Introduction to vectors, слайд №30
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Introduction to vectors, слайд №31
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