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Matrix concepts

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

(a)

$\begin{bmatrix} 0.83 & 0.92 & 0.64 & 0.24\\ 0.91 & 0.58 & 0.83 & 0.14\\ 0.20 & 0.86 & 0.81 & 0.62\\ 0.85 & 0.83 & 0.00 & 0.46\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.90 & 0.08 & 0.84 & 0.59\\ 0.73 & 0.64 & 0.21 & 0.62\\ 0.74 & 0.88 & 0.71 & 0.85\\ 0.93 & 0.05 & 0.88 & 0.23\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.10 & 0.85\\ 0.65 & 0.89\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.53 & 0.87 & 0.22\\ 0.96 & 0.96 & 0.76\\ 0.86 & 0.32 & 0.74\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.09 & 0.52 & 0.46 & 0.03\\ 0.41 & 0.23 & 0.44 & 0.66\\ 0.88 & 0.51 & 0.39 & 0.01\\ 0.92 & 0.44 & 0.11 & 0.60\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.61 & 0.21 & 0.28\\ 0.84 & 0.16 & 0.81\\ 0.03 & 0.57 & 0.04\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(d) $\begin{bmatrix} 0.53 & 0.87 & 0.22\\ 0.96 & 0.96 & 0.76\\ 0.86 & 0.32 & 0.74\\\end{bmatrix}$
(f) $\begin{bmatrix} 0.61 & 0.21 & 0.28\\ 0.84 & 0.16 & 0.81\\ 0.03 & 0.57 & 0.04\\\end{bmatrix}$

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demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-09-19 09:11:04 (CDT)

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  "students": [
    {
      "key": "d",
      "html": "\n    $<pl-matrix-latex params-name=\"N1\"></pl-matrix-latex>$\n  ",
      "feedback": null
    },
    {
      "key": "f",
      "html": "\n    $<pl-matrix-latex params-name=\"N2\"></pl-matrix-latex>$\n  ",
      "feedback": null
    }
  ]
}

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