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Intro to determinant notation and computation | Matrices | Precalculus | Khan Academy

video
  • Content location → Matrices
    EvidenceConnection evidence is not yet available in this language.
  • Content location → Matrices
    EvidenceThe video first fixes a symbolic 2x2 matrix by naming its entries according to position: a is top-left, b is top-right, c is bottom-left, and d is bottom-right. The entire array is then called A.
  • Content location → Determinants
    EvidenceConnection evidence is not yet available in this language.
  • Content location → Determinants
    EvidenceOnce the matrix A is defined, the presenter introduces several equivalent ways to write its determinant: |A|, det(A), and the version with vertical bars around the entries instead of brackets. The bars around a matrix denote determinant, not absolute value.

Matrices

concept
  • Explanation → Matrices
    EvidenceConnection evidence is not yet available in this language.
  • Explanation → Matrices
    EvidenceThe video first fixes a symbolic 2x2 matrix by naming its entries according to position: a is top-left, b is top-right, c is bottom-left, and d is bottom-right. The entire array is then called A.

Matrices

segment
  • Content location → Intro to determinant notation and computation | Matrices | Precalculus | Khan Academy
    EvidenceThe video first fixes a symbolic 2x2 matrix by naming its entries according to position: a is top-left, b is top-right, c is bottom-left, and d is bottom-right. The entire array is then called A.
  • Explanation → Matrices
    EvidenceThe video first fixes a symbolic 2x2 matrix by naming its entries according to position: a is top-left, b is top-right, c is bottom-left, and d is bottom-right. The entire array is then called A.

Determinants

concept
  • Explanation → Determinants
    EvidenceConnection evidence is not yet available in this language.
  • Explanation → Determinants
    EvidenceOnce the matrix A is defined, the presenter introduces several equivalent ways to write its determinant: |A|, det(A), and the version with vertical bars around the entries instead of brackets. The bars around a matrix denote determinant, not absolute value.

Determinants

segment
  • Content location → Intro to determinant notation and computation | Matrices | Precalculus | Khan Academy
    EvidenceOnce the matrix A is defined, the presenter introduces several equivalent ways to write its determinant: |A|, det(A), and the version with vertical bars around the entries instead of brackets. The bars around a matrix denote determinant, not absolute value.
  • Explanation → Determinants
    EvidenceOnce the matrix A is defined, the presenter introduces several equivalent ways to write its determinant: |A|, det(A), and the version with vertical bars around the entries instead of brackets. The bars around a matrix denote determinant, not absolute value.