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How to Find the Adjoint (Adjugate) of a Matrix

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How to Find the Adjoint (Adjugate) of a Matrix

91,504 views March 26, 2020 23:09

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In this lesson, we will learn how to find the classical adjoint (which is also known as an adjugate) of a matrix. The adjoint of a matrix is found using two steps. The first step is to create a matrix of cofactors. A cofactor for a given entry is found by multiplying (-1) raised to the power of the row plus the column for the entry, multiplied by the minor of that entry. The minor for an entry is found by taking the determinant of the matrix that is formed when the row and column of the given entry is deleted. After a matrix of cofactors is created, we find the transpose of this matrix, which will give us the adjoint of our matrix.

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GreeneMath.com published this 23:09 video tutorial on March 26, 2020. It has been watched 91,504 times on YouTube.

Category
Education
Duration
23:09
Published
March 26, 2020
Views
91,504
Likes
799

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