Searched defs:sigma (Results 1 - 25 of 52) sorted by relevance

123

/external/apache-commons-math/src/main/java/org/apache/commons/math/optimization/direct/
H A DNelderMead.java45 private final double sigma; field in class:NelderMead
49 * for both gamma and sigma.</p>
55 this.sigma = 0.5;
62 * @param sigma shrinkage coefficient
65 final double gamma, final double sigma) {
69 this.sigma = sigma;
171 x[j] = xSmallest[j] + sigma * (x[j] - xSmallest[j]);
64 NelderMead(final double rho, final double khi, final double gamma, final double sigma) argument
/external/eigen/test/eigen2/
H A Deigen2_svd.cpp34 MatrixType sigma = MatrixType::Zero(rows,cols); local
36 sigma.block(0,0,cols,cols) = svd.singularValues().asDiagonal();
38 VERIFY_IS_APPROX(a, matU * sigma * svd.matrixV().transpose());
/external/iproute2/netem/
H A Dnormal.c18 normal(double x, double mu, double sigma) argument
20 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
H A Dparetonormal.c27 normal(double x, double mu, double sigma) argument
29 return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
H A Dstats.c24 double mu=0.0, sigma=0.0, sumsquare=0.0, sum=0.0, top=0.0, rho=0.0; local
44 sigma = sqrt((sumsquare - (double)n*mu*mu)/(double)(n-1));
54 printf("sigma = %12.6f\n", sigma);
57 /*printf("correlation rho = %10.6f\n", top/((double)(n-1)*sigma*sigma));*/
H A Dmaketable.c51 arraystats(double *x, int limit, double *mu, double *sigma, double *rho) argument
63 *sigma = sqrt((sumsquare - (double)n*(*mu)*(*mu))/(double)(n-1));
93 makedist(double *x, int limit, double mu, double sigma) argument
107 input = (x[i]-mu)/sigma;
200 double mu, sigma, rho; local
219 arraystats(x, limit, &mu, &sigma, &rho);
221 fprintf(stderr, "%d values, mu %10.4f, sigma %10.4f, rho %10.4f\n",
222 limit, mu, sigma, rho);
225 table = makedist(x, limit, mu, sigma);
/external/skia/gm/
H A Dspritebitmap.cpp81 SkScalar sigma = 8; variable
82 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
H A Dsamplerstress.cpp87 const SkScalar sigma = 1; local
88 fMaskFilter.reset(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, sigma));
/external/skia/bench/
H A DRectoriBench.cpp73 SkLayerDrawLooper* createLooper(SkScalar xOff, SkScalar sigma) { argument
89 sigma,
/external/apache-commons-math/src/main/java/org/apache/commons/math/random/
H A DRandomData.java177 * <li><code>sigma > 0</code> (otherwise an IllegalArgumentException
181 * @param sigma Standard deviation of the distribution
183 * standard deviation = sigma
185 double nextGaussian(double mu, double sigma); argument
H A DValueServer.java43 * standard deviation = <code>sigma</code></li>
63 /** Gaussian random deviates with mean = &mu;, std dev = &sigma;. */
79 private double sigma = 0.0; field in class:ValueServer
196 sigma = empiricalDistribution.getSampleStats().getStandardDeviation();
288 /** Getter for property sigma.
289 * @return Value of property sigma.
292 return sigma;
295 /** Setter for property sigma.
296 * @param sigma New value of property sigma
298 setSigma(double sigma) argument
[all...]
/external/boringssl/src/crypto/chacha/
H A Dchacha_generic.c26 /* sigma contains the ChaCha constants, which happen to be an ASCII string. */
27 static const uint8_t sigma[16] = { 'e', 'x', 'p', 'a', 'n', 'd', ' ', '3', variable
101 input[0] = U8TO32_LITTLE(sigma + 0);
102 input[1] = U8TO32_LITTLE(sigma + 4);
103 input[2] = U8TO32_LITTLE(sigma + 8);
104 input[3] = U8TO32_LITTLE(sigma + 12);
/external/skia/src/effects/
H A DSkBlurDrawLooper.cpp20 SkBlurDrawLooper::SkBlurDrawLooper(SkColor color, SkScalar sigma, argument
22 this->init(sigma, dx, dy, color, flags);
54 void SkBlurDrawLooper::init(SkScalar sigma, SkScalar dx, SkScalar dy, argument
56 fSigma = sigma;
67 const SkScalar sigma = buffer.readScalar(); local
71 return Create(color, sigma, dx, dy, flags);
H A DSkDropShadowImageFilter.cpp76 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
77 ctx.ctm().mapVectors(&sigma, 1);
78 sigma.fX = SkMaxScalar(0, sigma.fX);
79 sigma.fY = SkMaxScalar(0, sigma.fY);
80 SkAutoTUnref<SkImageFilter> blurFilter(SkBlurImageFilter::Create(sigma.fX, sigma.fY));
126 SkVector sigma = SkVector::Make(fSigmaX, fSigmaY); local
127 ctm.mapVectors(&sigma,
[all...]
H A DSkEmbossMaskFilter.cpp79 SkScalar sigma = matrix.mapRadius(fBlurSigma); local
81 if (!SkBlurMask::BoxBlur(dst, src, sigma, kInner_SkBlurStyle, kLow_SkBlurQuality)) {
87 margin->set(SkScalarCeilToInt(3*sigma), SkScalarCeilToInt(3*sigma));
131 const SkScalar sigma = buffer.readScalar(); local
132 return Create(sigma, light);
/external/skia/tests/
H A DMaskCacheTest.cpp34 SkScalar sigma = 0.8f; local
42 SkCachedData* data = SkMaskCache::FindAndRef(sigma, style, quality, rrect, &mask, &cache);
51 SkMaskCache::Add(sigma, style, quality, rrect, mask, data, &cache);
58 data = SkMaskCache::FindAndRef(sigma, style, quality, rrect, &mask, &cache);
73 SkScalar sigma = 0.8f; local
80 SkCachedData* data = SkMaskCache::FindAndRef(sigma, style, quality, rects, 1, &mask, &cache);
89 SkMaskCache::Add(sigma, style, quality, rects, 1, mask, data, &cache);
96 data = SkMaskCache::FindAndRef(sigma, style, quality, rects, 1, &mask, &cache);
/external/eigen/Eigen/src/Geometry/
H A DUmeyama.h130 const MatrixType sigma = one_over_n * dst_demean * src_demean.transpose(); local
132 JacobiSVD<MatrixType> svd(sigma, ComputeFullU | ComputeFullV);
139 if (sigma.determinant()<Scalar(0)) S(m-1) = Scalar(-1);
/external/eigen/test/
H A Djacobisvd.cpp33 MatrixType sigma = MatrixType::Zero(rows,cols); local
34 sigma.diagonal() = svd.singularValues().template cast<Scalar>();
38 VERIFY_IS_APPROX(m, u * sigma * v.adjoint());
H A Dcholesky.cpp45 RealScalar sigma = internal::random<RealScalar>(); local
46 symmCpy += sigma * vec * vec.adjoint();
53 chollo.rankUpdate(vec, sigma);
56 cholup.rankUpdate(vec, sigma);
/external/eigen/unsupported/test/
H A Dsvd_common.h42 MatrixType sigma = MatrixType::Zero(rows, cols); local
43 sigma.diagonal() = svd.singularValues().template cast<Scalar>();
46 VERIFY_IS_APPROX(m, u * sigma * v.adjoint());
/external/skia/include/effects/
H A DSkBlurDrawLooper.h38 static SkBlurDrawLooper* Create(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy, argument
40 return SkNEW_ARGS(SkBlurDrawLooper, (color, sigma, dx, dy, flags));
53 SkBlurDrawLooper(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
84 void init(SkScalar sigma, SkScalar dx, SkScalar dy, SkColor color, uint32_t flags);
/external/skia/samplecode/
H A DSampleStrokePath.cpp170 SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)); variable
173 mf = SkBlurMaskFilter::Create(gStyle[x - 1], sigma);
177 sigma *= 0.75f;
/external/skia/src/core/
H A DSkMaskCache.cpp23 RRectBlurKey(SkScalar sigma, const SkRRect& rrect, SkBlurStyle style, SkBlurQuality quality) argument
24 : fSigma(sigma)
73 SkCachedData* SkMaskCache::FindAndRef(SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, argument
76 RRectBlurKey key(sigma, rrect, style, quality);
86 void SkMaskCache::Add(SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, argument
89 RRectBlurKey key(sigma, rrect, style, quality);
100 RectsBlurKey(SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, argument
102 : fSigma(sigma)
164 SkCachedData* SkMaskCache::FindAndRef(SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, argument
168 RectsBlurKey key(sigma, styl
178 Add(SkScalar sigma, SkBlurStyle style, SkBlurQuality quality, const SkRect rects[], int count, const SkMask& mask, SkCachedData* data, SkResourceCache* localCache) argument
[all...]
/external/v8/test/mjsunit/
H A Dcyrillic.js43 var sigma = "\u03c3"; variable
53 middle: sigma, // sigma
136 // convert everything to upper case, so the two sigma variants are equal to each
143 assertFalse(new RegExp(regex).test(sigma), 31 + name);
147 assertTrue(new RegExp(regex, "i").test(sigma), 34 + name);
152 regex = simple ? sigma : "[" + sigma + "]";
154 assertTrue(new RegExp(regex).test(sigma), 41 + name);
158 assertTrue(new RegExp(regex, "i").test(sigma), 4
[all...]
/external/ceres-solver/examples/
H A Dbal_problem.cc56 void PerturbPoint3(const double sigma, double* point) { argument
58 point[i] += RandNormal() * sigma;

Completed in 739 milliseconds

123