Ivan Shishkin, Birch Grove

Transpose of a matrix

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Revision 3919

9/5/2026, 4:05:29 PM · SalixBabylonica

Added exercise "Mes premières transposées de matrices"

linked exercisesNoneMes premières transposées de matrices

Revision 3365

9/1/2026, 8:22:34 AM · Ancient Tree

Updated text

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1##### Intuition
2The transpose of a [[Matrix|matrix]] is a new matrix obtained by interchanging the columns and rows of the initial matrix.
2The transpose of a [[Matrix|matrix]] is a new matrix obtained by interchanging the rows and columns of the initial matrix.
3
4For example,
5$$
6\begin{pmatrix}
71 & 2 & 3\\
84 & 5 & 6
9\end{pmatrix}^{T}
10=
11\begin{pmatrix}
121 & 4\\
132 & 5\\
143 & 6
15\end{pmatrix}.
16$$
17
4##### Formal definition
5Let
6$$
7A=(a_{ij})_{1\le i\le m,\ 1\le j\le n}
8$$
9be an $m\times n$ matrix. The transpose of $A$, denoted by $A^T$, $A^t$, or ${}^tA$, is the $n\times m$ matrix
10$$
11A^T=(a_{ji})_{1\le i\le n,\ 1\le j\le m}.
12$$

Revision 3364

9/1/2026, 8:21:17 AM · Ancient Tree

Updated text

Compare with revision 336311 changed lines
1##### Intuition
1The transpose of a [[Matrix|matrix]] is a new matrix obtained by interchanging the columns and rows of the initial matrix.
2
3Let $A = (a_{ij})_{m\le i \le n,k \le j \le l}$ be a matrix. The transpose of $A$, written $A^{T}$, $A^{t}$ or $^{t}A$ is equal to $(a_{ji})_{k \le j \le l, m\le i \le n}$.
4##### Formal definition
5Let
6$$
7A=(a_{ij})_{1\le i\le m,\ 1\le j\le n}
8$$
9be an $m\times n$ matrix. The transpose of $A$, denoted by $A^T$, $A^t$, or ${}^tA$, is the $n\times m$ matrix
10$$
11A^T=(a_{ji})_{1\le i\le n,\ 1\le j\le m}.
12$$

Revision 3363

9/1/2026, 8:19:05 AM · araucaria araucana

Updated text

Compare with revision 2694 changed lines
1The transpose of a [[Matrix|matrix]] is...
1The transpose of a [[Matrix|matrix]] is a new matrix obtained by interchanging the columns and rows of the initial matrix.
2
3Let $A = (a_{ij})_{m\le i \le n,k \le j \le l}$ be a matrix. The transpose of $A$, written $A^{T}$, $A^{t}$ or $^{t}A$ is equal to $(a_{ji})_{k \le j \le l, m\le i \le n}$.

Revision 269

7/7/2026, 10:47:07 AM · Ancient Tree

Concept edited

Compare with revision 2682 changed lines
1The transpose of a matrix is...
1The transpose of a [[Matrix|matrix]] is...

Revision 268

7/7/2026, 10:46:58 AM · Ancient Tree

Concept created

The transpose of a matrix is...