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Lære Transposing | Matrices
R Introduction: Part II

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Transposing

Good! Matrices are widely used in math, starting with different geometrical transformations, and ending with neural networks (yes, matrices are commonly used in AI).

What if we have a matrix and want to 'rotate' it? (or vice versa)?

In math, this operation is called transposing. It swaps columns with rows. In R this operation is implemented under t() function. This function receives the matrix you want to transpose as the parameter. For example,

123456
# Initial matrix m <- matrix(1:6, nrow = 2) m # Output initial matrix # Output transposed matrix t(m)
copy

As you can see, the initial matrix was 2x3 (2 rows and 3 columns), and the transposed is 3x2.

Oppgave

Swipe to start coding

Given the matrix from the previous chapter.

  1. Assign this matrix to the m variable.
  2. Output the transposed m matrix.

Løsning

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book
Transposing

Good! Matrices are widely used in math, starting with different geometrical transformations, and ending with neural networks (yes, matrices are commonly used in AI).

What if we have a matrix and want to 'rotate' it? (or vice versa)?

In math, this operation is called transposing. It swaps columns with rows. In R this operation is implemented under t() function. This function receives the matrix you want to transpose as the parameter. For example,

123456
# Initial matrix m <- matrix(1:6, nrow = 2) m # Output initial matrix # Output transposed matrix t(m)
copy

As you can see, the initial matrix was 2x3 (2 rows and 3 columns), and the transposed is 3x2.

Oppgave

Swipe to start coding

Given the matrix from the previous chapter.

  1. Assign this matrix to the m variable.
  2. Output the transposed m matrix.

Løsning

Switch to desktopBytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor
Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

close

Awesome!

Completion rate improved to 5.56

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