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@@ -150,7 +150,7 @@
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"- Plot the mean of the data $\\mathbf{\\mu}$ as a big green point.\n",
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"- Plot the mean of the data $\\mathbf{\\mu}$ as a big green point.\n",
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"- Plot the PC space defined by $u_1$ as a black line. (Hint: This line should pass through $\\mu$.)\n",
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"- Plot the PC space defined by $u_1$ as a black line. (Hint: This line should pass through $\\mu$.)\n",
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"- Project each data point into the PC space, and plot each projected data point $\\mathbf{\\hat x_n}$ as a red dot. (Hint: The projected points should lie on the $u_1$ line.)\n",
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"- Project each data point into the PC space, and plot each projected data point $\\mathbf{\\hat x_n}$ as a red dot. (Hint: The projected points should lie on the $u_1$ line.)\n",
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- "- Connect each data point $x_n$ with its projection $\\mathbf{\\hat x_n}$ using a red line. (Hint: The red lines should be orthogonal to the PC space. To see this, you will need to call ‘axis equal’ in Matlab.)"
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+ "- Connect each data point $x_n$ with its projection $\\mathbf{\\hat x_n}$ using a red line. (Hint: The red lines should be orthogonal to the PC space. To see this, you will need to equalize the axis with matplotlib.)"
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],
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],
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"id": "ef663e6b30c8eaa9"
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"id": "ef663e6b30c8eaa9"
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},
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},
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@@ -244,7 +244,7 @@
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{
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{
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"metadata": {},
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"metadata": {},
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"cell_type": "markdown",
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"cell_type": "markdown",
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- "source": "Solution: See function `fastfa` above.",
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+ "source": "",
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"id": "fabd6eb210c6f4d5"
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"id": "fabd6eb210c6f4d5"
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},
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},
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{
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{
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