Posts
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险以远，则至者少
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Convert Joplin Markdown notes without math to mobi for reading on Kindle
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Understanding about the coboundary of coboundary is empty
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Understanding about the anti-symmetry of \(k \)-forms and geometric meaning of determinant
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Understanding about integration
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The meaning of applying a covector to a vector
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Understanding about the sharp and flat operators
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Measurement and duality
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The meaning of Jacobian matrix having a rank \(r\)
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The star of a subset of simplices