Tool to compute the transpose of a matrix. The transpose of a matrix M of size mxn is a matrix denoted tM of size nxm created by swapping lines and columns.
Transpose of a Matrix - dCode
Tag(s) : Matrix
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Transpose of a Matrix
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Tool to compute the transpose of a matrix. The transpose of a matrix M of size mxn is a matrix denoted tM of size nxm created by swapping lines and columns.
Answers to Questions
How to calculate the transpose of a matrix?
The transposition of a matrix (or transpose of matrix) is one of the simplest matrix operations to perform. On has to invert lines and columns:
$$ \text{ If } M = \begin{bmatrix} a & c & e \\ b & d & f \end{bmatrix} \text{ Then } M^T = \begin{bmatrix} a & b \\ c & d \\ e & f \end{bmatrix} $$
The lines are read from left to right and are transposed from top to bottom.
Example: $$ M = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} \Rightarrow M^t = \begin{bmatrix} 1 & 3 \\ 2 & 4 \end{bmatrix} $$
The transposition of a matrix \( M \) is noted \( M^t \) or \( ^tM \). The transposition operation is then noted with an exponent T or t (uppercase or lowercase) prefixed or postfixed.
The transposition is valid on both square matrices and rectangular matrices. A transposed row vector is a column vector and vice versa.
What is a double transposition?
Transposing twice a matrix returns it unchanged.
The double transposition is the name given to a cryptographic cipher.
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