void LinearModel::standardise() { // Get mean and variance for all variable double sdY = sqrt(varY); for (int i=0; i<nind; i++) Y[i] = ( Y[i] - meanY ) / sdY; vector_t mX(np,0); vector_t sdX(np,0); // Standardise all predictors, except intercept for (int i=0; i<nind; i++) for (int j=1; j<np; j++) mX[j] += X[i][j]; for (int j=1; j<np; j++) mX[j] /= nind; for (int i=0; i<nind; i++) for (int j=1; j<np; j++) sdX[j] += (X[i][j] - mX[j]) * (X[i][j] - mX[j]); for (int j=1; j<np; j++) { sdX[j] = sqrt(sdX[j]/(nind-1)); if ( sdX[j]==0 ) sdX[j] = 1; } for (int i=0; i<nind; i++) for (int j=1; j<np; j++) X[i][j] = ( X[i][j] - mX[j] ) / sdX[j]; }
static PetscErrorCode _computeIJacobian(TS /* ts */,PetscReal time,Vec X,Vec Xdot,PetscReal shift,Mat *J,Mat *B,MatStructure *mstr,void *ctx) { PetscTimeStepper *ths = (PetscTimeStepper*)ctx; PetscVector<Number> mX(X), mXdot(Xdot); PetscMatrix<Number> mJ(*J), mB(*B); ths->computeTransientImplicitJacobian(time,mX,mXdot,shift,mB); mJ.close(); *mstr = SAME_NONZERO_PATTERN; return 0; }
Mat CmSaliencyRC::GetBorderReg(CMat &idx1i, int regNum, double ratio, double thr) { // Variance of x and y vecD vX(regNum), vY(regNum); int w = idx1i.cols, h = idx1i.rows;{ vecD mX(regNum), mY(regNum), n(regNum); // Mean value of x and y, pixel number of region for (int y = 0; y < idx1i.rows; y++){ const int *idx = idx1i.ptr<int>(y); for (int x = 0; x < idx1i.cols; x++, idx++) mX[*idx] += x, mY[*idx] += y, n[*idx]++; } for (int i = 0; i < regNum; i++) mX[i] /= n[i], mY[i] /= n[i]; for (int y = 0; y < idx1i.rows; y++){ const int *idx = idx1i.ptr<int>(y); for (int x = 0; x < idx1i.cols; x++, idx++) vX[*idx] += abs(x - mX[*idx]), vY[*idx] += abs(y - mY[*idx]); } for (int i = 0; i < regNum; i++) vX[i] = vX[i]/n[i] + EPS, vY[i] = vY[i]/n[i] + EPS; } // Number of border pixels in x and y border region vecI xbNum(regNum), ybNum(regNum); int wGap = cvRound(w * ratio), hGap = cvRound(h * ratio); vector<Point> bPnts; { ForPoints2(pnt, 0, 0, w, hGap) // Top region ybNum[idx1i.at<int>(pnt)]++, bPnts.push_back(pnt); ForPoints2(pnt, 0, h - hGap, w, h) // Bottom region ybNum[idx1i.at<int>(pnt)]++, bPnts.push_back(pnt); ForPoints2(pnt, 0, 0, wGap, h) // Left region xbNum[idx1i.at<int>(pnt)]++, bPnts.push_back(pnt); ForPoints2(pnt, w - wGap, 0, w, h) xbNum[idx1i.at<int>(pnt)]++, bPnts.push_back(pnt); } Mat bReg1u(idx1i.size(), CV_8U);{ // likelihood map of border region double xR = 1.0/(4*hGap), yR = 1.0/(4*wGap); vector<byte> regL(regNum); // likelihood of each region belongs to border background for (int i = 0; i < regNum; i++) { double lk = xbNum[i] * xR / vY[i] + ybNum[i] * yR / vX[i]; regL[i] = lk/thr > 1 ? 255 : 0; //saturate_cast<byte>(255 * lk / thr); } for (int r = 0; r < h; r++) { const int *idx = idx1i.ptr<int>(r); byte* maskData = bReg1u.ptr<byte>(r); for (int c = 0; c < w; c++, idx++) maskData[c] = regL[*idx]; } } for (size_t i = 0; i < bPnts.size(); i++) bReg1u.at<byte>(bPnts[i]) = 255; return bReg1u; }
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) { // arguments const_marray mX(prhs[0]); const_marray mY(prhs[1]); const_marray mLam(prhs[2]); const_marray mAug(prhs[3]); const_marray mT0(prhs[4]); const_marray mSkip(prhs[5]); marray mW = duplicate(prhs[6]); marray mW0 = duplicate(prhs[7]); // take inputs cmat_t X = view2d<double>(mX); cvec_t Y = view_as_col<double>(mY); double lambda = mLam.get_scalar(); double aug = mAug.get_scalar(); double t0 = mT0.get_scalar(); index_t skip = (index_t)mSkip.get_scalar(); const index_t d = mX.nrows(); // main if (aug == 0) { vec_t w(mW.ptr_real(), d, 1); SGD_QN trainer(w, lambda, skip, t0); run_sgdx(trainer, X, Y, 1); } else { vec_t w(mW.ptr_real(), d, 1); double& w0 = *(mW0.ptr_real()); SGD_QN_A trainer(w, w0, lambda, aug, skip, t0); run_sgdx(trainer, X, Y, 1); } // return plhs[0] = mW; plhs[1] = mW0; }
// Implementation of callbacks from PETSc static PetscErrorCode _computeIFunction(TS /* ts */,PetscReal time,Vec X,Vec Xdot,Vec F,void *ctx) { PetscTimeStepper *ths = (PetscTimeStepper*)ctx; PetscVector<Number> mX(X), mXdot(Xdot), mF(F); ths->computeTransientImplicitResidual(time,mX,mXdot,mF); return 0; }
antlr::RefToken FMTLexer::nextToken() { antlr::RefToken theRetToken; for (;;) { antlr::RefToken theRetToken; int _ttype = antlr::Token::INVALID_TYPE; resetText(); try { // for lexical and char stream error handling switch ( LA(1)) { case 0x22 /* '\"' */ : case 0x27 /* '\'' */ : { mSTRING(true); theRetToken=_returnToken; break; } case 0x28 /* '(' */ : { mLBRACE(true); theRetToken=_returnToken; break; } case 0x29 /* ')' */ : { mRBRACE(true); theRetToken=_returnToken; break; } case 0x2f /* '/' */ : { mSLASH(true); theRetToken=_returnToken; break; } case 0x2c /* ',' */ : { mCOMMA(true); theRetToken=_returnToken; break; } case 0x41 /* 'A' */ : case 0x61 /* 'a' */ : { mA(true); theRetToken=_returnToken; break; } case 0x3a /* ':' */ : { mTERM(true); theRetToken=_returnToken; break; } case 0x24 /* '$' */ : { mNONL(true); theRetToken=_returnToken; break; } case 0x46 /* 'F' */ : case 0x66 /* 'f' */ : { mF(true); theRetToken=_returnToken; break; } case 0x44 /* 'D' */ : case 0x64 /* 'd' */ : { mD(true); theRetToken=_returnToken; break; } case 0x45 /* 'E' */ : case 0x65 /* 'e' */ : { mE(true); theRetToken=_returnToken; break; } case 0x47 /* 'G' */ : case 0x67 /* 'g' */ : { mG(true); theRetToken=_returnToken; break; } case 0x49 /* 'I' */ : case 0x69 /* 'i' */ : { mI(true); theRetToken=_returnToken; break; } case 0x4f /* 'O' */ : case 0x6f /* 'o' */ : { mO(true); theRetToken=_returnToken; break; } case 0x42 /* 'B' */ : case 0x62 /* 'b' */ : { mB(true); theRetToken=_returnToken; break; } case 0x5a /* 'Z' */ : { mZ(true); theRetToken=_returnToken; break; } case 0x7a /* 'z' */ : { mZZ(true); theRetToken=_returnToken; break; } case 0x51 /* 'Q' */ : case 0x71 /* 'q' */ : { mQ(true); theRetToken=_returnToken; break; } case 0x48 /* 'H' */ : case 0x68 /* 'h' */ : { mH(true); theRetToken=_returnToken; break; } case 0x54 /* 'T' */ : case 0x74 /* 't' */ : { mT(true); theRetToken=_returnToken; break; } case 0x4c /* 'L' */ : case 0x6c /* 'l' */ : { mL(true); theRetToken=_returnToken; break; } case 0x52 /* 'R' */ : case 0x72 /* 'r' */ : { mR(true); theRetToken=_returnToken; break; } case 0x58 /* 'X' */ : case 0x78 /* 'x' */ : { mX(true); theRetToken=_returnToken; break; } case 0x2e /* '.' */ : { mDOT(true); theRetToken=_returnToken; break; } case 0x9 /* '\t' */ : case 0x20 /* ' ' */ : { mWHITESPACE(true); theRetToken=_returnToken; break; } case 0x2b /* '+' */ : case 0x2d /* '-' */ : case 0x30 /* '0' */ : case 0x31 /* '1' */ : case 0x32 /* '2' */ : case 0x33 /* '3' */ : case 0x34 /* '4' */ : case 0x35 /* '5' */ : case 0x36 /* '6' */ : case 0x37 /* '7' */ : case 0x38 /* '8' */ : case 0x39 /* '9' */ : { mNUMBER(true); theRetToken=_returnToken; break; } default: if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x4d /* 'M' */ ) && (LA(3) == 0x4f /* 'O' */ ) && (LA(4) == 0x41 /* 'A' */ )) { mCMOA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x4d /* 'M' */ ) && (LA(3) == 0x4f /* 'O' */ ) && (LA(4) == 0x49 /* 'I' */ )) { mCMOI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x4d /* 'M' */ ) && (LA(3) == 0x6f /* 'o' */ )) { mCMoA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x44 /* 'D' */ ) && (LA(3) == 0x49 /* 'I' */ )) { mCDI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x4d /* 'M' */ ) && (LA(3) == 0x49 /* 'I' */ )) { mCMI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x53 /* 'S' */ ) && (LA(3) == 0x49 /* 'I' */ )) { mCSI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x53 /* 'S' */ ) && (LA(3) == 0x46 /* 'F' */ )) { mCSF(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x44 /* 'D' */ ) && (LA(3) == 0x57 /* 'W' */ )) { mCDWA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x44 /* 'D' */ ) && (LA(3) == 0x77 /* 'w' */ )) { mCDwA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x41 /* 'A' */ ) && (LA(3) == 0x50 /* 'P' */ )) { mCAPA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x41 /* 'A' */ ) && (LA(3) == 0x70 /* 'p' */ )) { mCApA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x25 /* '%' */ ) && (LA(2) == 0x22 /* '\"' */ || LA(2) == 0x27 /* '\'' */ )) { mCSTRING(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x6d /* 'm' */ )) { mCmoA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x59 /* 'Y' */ )) { mCYI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x48 /* 'H' */ )) { mCHI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x68 /* 'h' */ )) { mChI(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x64 /* 'd' */ )) { mCdwA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ ) && (LA(2) == 0x61 /* 'a' */ )) { mCapA(true); theRetToken=_returnToken; } else if ((LA(1) == 0x43 /* 'C' */ || LA(1) == 0x63 /* 'c' */ ) && (true)) { mC(true); theRetToken=_returnToken; } else if ((LA(1) == 0x25 /* '%' */ ) && (true)) { mPERCENT(true); theRetToken=_returnToken; } else { if (LA(1)==EOF_CHAR) { uponEOF(); _returnToken = makeToken(antlr::Token::EOF_TYPE); } else {throw antlr::NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());} } } if ( !_returnToken ) goto tryAgain; // found SKIP token _ttype = _returnToken->getType(); _ttype = testLiteralsTable(_ttype); _returnToken->setType(_ttype); return _returnToken; } catch (antlr::RecognitionException& e) { throw antlr::TokenStreamRecognitionException(e); } catch (antlr::CharStreamIOException& csie) { throw antlr::TokenStreamIOException(csie.io); } catch (antlr::CharStreamException& cse) { throw antlr::TokenStreamException(cse.getMessage()); } tryAgain:; } }