Andreas Weis - Quickly Estimating Powers of Two0 码力 | 56 页 | 326.32 KB | 1 年前3
Structure and Interpretation of Computer Programs35b0/p89_1.jpg) Harold Abelson and Gerald Jay Sussman with Julie Sussman ## Problem 2: Pi Approximation (Leibniz) $$ \frac{\pi}{4}=\frac{2\cdot4\cdot4\cdot6\cdot6\cdot8\cdot\cdot\cdot}{3\cdot3\cdot transform each chunk by multiplying and inverting 4. Add them up 5. Multiply by 8 auto leibniz_pi_approximation(int n) { return (rv::iota(0, n) | rv::transform([](auto e){ return 1 + 2 * e;}) 1.0 / (rng[0] * rng[1]); }) | hs::accumulate(0.0, std::plus() * 8); auto leibniz_pi_approximation(int n) { return (rv::iota(0, n) | rv::transform([](auto e){ return 1 + 2 * e;})0 码力 | 136 页 | 7.35 MB | 1 年前3
Kotlin language specification
Version 1.9-rfc+0.1..... 73 2.4.1 Least upper bound ..... 73 2.4.2 Greatest lower bound ..... 75 2.5 Type approximation ..... 76 2.6 Type decaying ..... 76 References ..... 77 3 Built-in types and their semantics needed, the compiler may approximate an intersection type to a denotable concrete type using type approximation. One of the main uses of intersection types are smart casts. Another restricted version of intersection $ is defined as $ \mathrm{GLB}(T_{1}, \mathrm{GLB}(T_{2}, \ldots, T_{N})) $ . ### 2.5 Type approximation As we mentioned before, Kotlin type system has denotable and non-denotable types. In many cases0 码力 | 310 页 | 1.39 MB | 2 年前3
Debugging Go in
production using eBPF/demos/simple-gotracing Relevant Code: GET /e?iters={iterations} // computeE computes the approximation of e by running a fixed number of iterations. func computeE(iterations int64) float64 { the iterations? fmt.printf("iterations:%d\n", iterations) // computeE computes the approximation of e by running a fixed number of iterations. func computeE(iterations int64) float64 { res0 码力 | 14 页 | 746.99 KB | 1 年前3
Improving Our Safety With a Quantities and Units Libraryroman_pace> {} roman_mile; // used in Persia // extended the Roman mile to fit an astronomical approximation of 1 minute of an arc of latitude inline constexpr struct arabic_mile final : named_unit<"mi_a" roman_pace> {} roman_mile; // used in Persia // extended the Roman mile to fit an astronomical approximation of 1 minute of an arc of latitude inline constexpr struct arabic_mile final : named_unit<"mi_a" roman_pace> {} roman_mile; // used in Persia // extended the Roman mile to fit an astronomical approximation of 1 minute of an arc of latitude inline constexpr struct arabic_mile final : named_unit<"mi_a"0 码力 | 207 页 | 6.93 MB | 1 年前3
Cardinality and frequency estimation - CS 591 K1: Data Stream Processing and Analytics Spring 2020n, there are many collisions and counters generally overestimate real frequencies. The best approximation is not the average of all counters, but the minimum. ## Computing top-k ## Computing top-k • then X*.remove( $ y, f_{y} $ ) return X* ## Error and space/time trade-offs • Query approximation error • Error probability Guarantee: The estimation error for frequencies will not exceed n0 码力 | 69 页 | 630.01 KB | 2 年前3
《Efficient Deep Learning Book》[EDL] Chapter 6 - Advanced Learning Techniques - Technical Reviewweights=None): """Shuffle the weights in the given model. This is a fast approximation of re-initializing the model weights. """ if weights is None: weights to the optimizer getting stuck in a local minima. Continuation methods start with a smoothened approximation of the original objective function, and then gradually reduce that smoothing to reach the original0 码力 | 31 页 | 4.03 MB | 2 年前3
《Efficient Deep Learning Book》[EDL] Chapter 2 - Compression Techniquesdon't expect to recover the exact representation of the original data. It is okay to recover an approximation, however we do expect a better compression ratio than lossless compression, since we are losing which recovers approximations of the original pre-quantization values. Once we have a dequantized approximation of the original matrix, we can proceed as usual. However, we should expect an impact on the output0 码力 | 33 页 | 1.96 MB | 2 年前3
PostGIS 3.3 dev Manualgiven geometry to a linear geometry. Each curved geometry or segment is converted into a linear approximation using the given `tolerance` and options (32 segments per quadrant and no options by default). This algorithm is NOT equivalent to the standard Hausdorff distance. However, it computes an approximation that is correct for a large subset of useful cases. One important case is Linestrings that are 'side=right') ``` --A buffered point approximates a circle -- A buffered point forcing approximation of (see diagram) -- 2 points per quarter circle is poly with 8 sides (see diagram) SELECT S0 码力 | 935 页 | 5.00 MB | 4 月前3
Blender v3.3 参考手册(繁体中文版)the trunk, the camera tracker was added, dynamic paint for modifying textures with mesh contact/approximation, the Ocean modifier to simulate ocean and foam, new add-ons, bug fixes, and more extensions added and NURBS objects is that Bézier curves are approximations. For example, a Bézier circle is an approximation of a circle, whereas a NURBS circle is an exact circle. NURBS theory can be a very complicated the generated rim geometry. ## Known Limitations ## Even Thickness Solidify thickness is an approximation. While Even Thickness and High Quality Normals should yield good results, the final wall thickness0 码力 | 4464 页 | 259.55 MB | 2 年前3
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