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While top-line bookings growth is super important, investors want to understand how profitable that revenue stream is. Gross profit provides that measure.
What’s included in gross profit may vary by company, but in general all costs associated with the manufacturing, delivery, and support of a product/service should be included.
16 Startup Metrics | Andreessen Horowitz
a16z.com
But actually, since more than half the students didn’t finish by the time they were 99% sure they’d be done, reality usually delivers results a little worse than the ‘worst-case scenario’. It’s called the planning fallacy, and the best way to fix it is to ask how long things took the last time you tried them.
Harry Potter and the Methods of Rationality
Eliezer Yudkowsky
In physics, the reciprocal lattice represents the Fourier transform of another lattice (usually a Bravais lattice). In normal usage, the initial lattice (whose transform is represented by the reciprocal lattice) is usually a periodic spatial function in real-space and is also known as the direct lattice. While the direct lattice exists in real-space and is what one would commonly understand as a physical lattice (e.g., a lattice of a crystal), the reciprocal lattice exists in reciprocal space (also known as momentum space or less commonly as K-space, due to the relationship between the Pontryagin duals momentum and position)
Reciprocal Lattice - Wikipedia
primitive vectors
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