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Matrix Determinant

Calculate the determinant of a square (n x n) matrix.

Enter each matrix row as a comma separated list, with a new line for each row. Matrices must have an equal number of elements in each row. The number of rows in the matrix must be equal to the number of columns. The determinant is calculated from the product of the diagonals of the Crout Cholensky LU factorisation.

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CALCULATOR : Matrix Determinant [FREE]   ±

Calculate the matrix determinant for a square n x n matrix.

The determinant is calculated from the product of the diagonal of the LU factorisation. Check that the determinant is equal to the product of the Crout diagonals. The number of rows in the matrix must be equal to the number of columns.

Tool Input

  • rndtype : Rounding Type For Small Values
  • A : Input Matrix

Tool Output

  • |A| : Determinant

CALCULATOR : Matrix Determinant (File Data - Modern Browser Required) [FREE]   ±

Calculate the matrix determinant for a square n x n matrix from file data.

The determinant is calculated from the product of the diagonal of the LU factorisation. Check that the determinant is equal to the product of the Crout diagonals. The number of rows in the matrix must be equal to the number of columns.

Save the matrix to a text file as tab or comma separated rows with each row on a new line (or copy and past cells from a spreadsheet). Refer to the example text file in resources.

Tool Input

  • rndtype : Rounding Type For Small Values
  • A : Input Matrix

Tool Output

  • |A| : Determinant