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Matrix concepts

Select the matrices below with dimensions $3\times3$:

(a)

$\begin{bmatrix} 0.02 & 0.28 & 0.22 & 0.02\\ 0.71 & 0.30 & 0.33 & 0.52\\ 0.47 & 0.37 & 0.55 & 0.97\\ 0.78 & 0.40 & 0.59 & 0.96\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.99 & 0.44 & 0.43 & 0.95\\ 0.83 & 0.44 & 1.00 & 0.21\\ 0.82 & 0.05 & 0.18 & 0.72\\ 0.99 & 0.17 & 0.30 & 0.39\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.10 & 0.01 & 0.36\\ 0.51 & 0.45 & 0.27\\ 0.14 & 0.51 & 0.29\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.41 & 0.85 & 0.97 & 0.02\\ 0.67 & 0.42 & 0.24 & 0.23\\ 0.18 & 0.74 & 0.86 & 1.00\\ 0.66 & 0.08 & 0.09 & 0.10\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.97 & 0.37 & 0.24\\ 1.00 & 0.81 & 0.95\\ 0.46 & 0.25 & 0.12\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.75 & 0.51 & 0.25 & 0.54\\ 0.92 & 0.03 & 0.07 & 0.18\\ 0.63 & 0.51 & 0.30 & 0.98\\ 0.93 & 0.52 & 0.82 & 0.86\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(c) $\begin{bmatrix} 0.10 & 0.01 & 0.36\\ 0.51 & 0.45 & 0.27\\ 0.14 & 0.51 & 0.29\\\end{bmatrix}$
(e) $\begin{bmatrix} 0.97 & 0.37 & 0.24\\ 1.00 & 0.81 & 0.95\\ 0.46 & 0.25 & 0.12\\\end{bmatrix}$

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demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-08-04 22:42:35 (CDT)

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      "feedback": null
    },
    {
      "key": "e",
      "html": "\n    $<pl-matrix-latex params-name=\"N2\"></pl-matrix-latex>$\n  ",
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