- ... headset
^{1.1}
- This is also referred to as a
*head mounted display* or *HMD*.
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- ... left.
^{3.1}
- Perhaps coders who speak Arabic or Hebrew are not confused about this.
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- ....
^{3.2}
- Recall that to transpose a square matrix, we simply swap the and indices, which turns columns into rows.
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- ...display!retina.
^{5.1}
- This is equivalent to a density of pixels per mm, but we will use linear inches because it is the international standard for display comparisons.
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- ... forth!
^{5.2}
- This frequently happened to the author while developing and testing the Oculus Rift.
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- ... as
^{8.1}
- The parameter is used instead of to indicate that it is integrated away, much like the index in a summation.
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- ... yields
^{8.2}
- If this is unfamiliar, then look up the derivatives of sines and cosines, and the chain rule, from standard calculus sources (for example, [326]).
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- ....
^{8.3}
- This assumes models contain all of the points on their boundary and that they have finite extent; otherwise, topological difficulties arise [123,165]
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- ... determined.
^{9.1}
- Global positioning systems (
*GPS*) work in this way, but using radio signals, the Earth surface constraint, and at least one more satellite eliminate time synchronization errors.
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- ... produced.
^{11.1}
- The values are also discretized, and are represented using floating-point numbers. This level of discretization will be ignored.
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- ... world.
^{12.1}
- To be more mathematically precise, is the limiting case of applying to an infinite number of people with the assumption that they all respond according to a normal distribution with the same mean.
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