🔷12 - Rank and Nullity of a given Matrix (Row Echelon Form)

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🔷12 - Rank and Nullity of a given Matrix (Row Echelon Form)

In todays video we are going to learn how to find the rank and nullity of a matrix.

Rank: the rank of a matrix is the maximum number of linearly independent row or column vectors in a matrix.
Given a matrix, it is advisable to transform the matrix into its row echelon form. In the row echelon form, the maximum number of linearly independent vectors is equal to the number of non-zero rows.

Nullity: of a matrix is equal to the number of columns minus the rank of the matrix

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00:00 - Example 1
07:47 - Example 2
15:08 - Example 3
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I'm a new student in matrices but can find determant and values of the unknowns in a linear equation. But this lesson is beyond my compression. Perhaps my age? I'm 79 and did my O-Level in 1967 Cambridge. But I still can't keep distant from maths.Comming across such tutors makes me even more crazy on the subject. Greetings from Zanzibar

rashidissa
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You are clear as my heaven. Good job gauss and Jordan will be proud of you.

BabatopeFagbenle-rkjy
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That's the best video I got on this topic

rhe
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Skancity to the world. Love from the US

OUC.
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Why do u leave your Row Echelon Forms incomplete? You still perform the row operations to simplify further.

malekahlologelo
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For sure you know how to deliver a lesson, explain kernel and image of transformations

MiZoTv-uu
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Marvelous work! U have really worked on your camera. Kudos 💯

OriaPixel
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You said all the diagonal element should be 1 and at the end the last one is zero please explain sir?

tluangainfimate
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Please teach how to find eigen values of 3x3 matrix

rahmandesigns
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U just save a life.. I owes u so much in dis semester else it would be 🔥😂

bonyevitus
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Please can you make a full video on vector spaces

MichaelBoamah-ip
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inverse of a matrix by gauss jordan???

kalumbaMwale
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why are there only 1 linear combination of rows?? there is C2 =2C1 and also C3 = 2C2..so there are 2??

peace
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What if the matrices with linear dependence are not the same?

habeebsalaudeen
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what is linearly independent rows/columns?

oulafatla
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Pls it at the end of doing the row echelon you get something like
1 -2 6
0 0 0
0 0 0
Pls wat will be the rank

asaredurowaadoris
visit shbcf.ru