/** {@inheritDoc} */ public OpenMapRealVector getSubVector(int index, int n) throws MatrixIndexException { checkIndex(index); checkIndex(index + n - 1); OpenMapRealVector res = new OpenMapRealVector(n); int end = index + n; Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); int key = iter.key(); if (key >= index && key < end) { res.setEntry(key - index, iter.value()); } } return res; }
/** {@inheritDoc} */ public OpenMapRealVector getSubVector(int index, int n) throws MatrixIndexException { checkIndex(index); checkIndex(index + n - 1); OpenMapRealVector res = new OpenMapRealVector(n); int end = index + n; Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); int key = iter.key(); if (key >= index && key < end) { res.setEntry(key - index, iter.value()); } } return res; }
/** * Optimized method to append a OpenMapRealVector. * @param v vector to append * @return The result of appending <code>v</code> to self */ public OpenMapRealVector append(OpenMapRealVector v) { OpenMapRealVector res = new OpenMapRealVector(this, v.getDimension()); Iterator iter = v.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key() + virtualSize, iter.value()); } return res; }
/** {@inheritDoc} */ @Override public void unitize() { double norm = getNorm(); if (isDefaultValue(norm)) { throw MathRuntimeException.createArithmeticException(LocalizedFormats.CANNOT_NORMALIZE_A_ZERO_NORM_VECTOR); } Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); entries.put(iter.key(), iter.value() / norm); } }
/** {@inheritDoc} */ @Override public int getIndex() { return iter.key(); }
/** {@inheritDoc} */ @Override public double[] getData() { double[] res = new double[virtualSize]; Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); res[iter.key()] = iter.value(); } return res; }
/** {@inheritDoc} */ public OpenMapRealVector ebeDivide(RealVector v) throws IllegalArgumentException { checkVectorDimensions(v.getDimension()); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() / v.getEntry(iter.key())); } return res; }
/** {@inheritDoc} */ @Override public void unitize() { double norm = getNorm(); if (isDefaultValue(norm)) { throw MathRuntimeException.createArithmeticException("cannot normalize a zero norm vector"); } Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); entries.put(iter.key(), iter.value() / norm); } }
/** * Optimized method to append a OpenMapRealVector. * @param v vector to append * @return The result of appending <code>v</code> to self */ public OpenMapRealVector append(OpenMapRealVector v) { OpenMapRealVector res = new OpenMapRealVector(this, v.getDimension()); Iterator iter = v.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key() + virtualSize, iter.value()); } return res; }
/** {@inheritDoc} */ @Override public int getIndex() { return iter.key(); }
/** {@inheritDoc} */ @Override public OpenMapRealVector ebeDivide(double[] v) throws IllegalArgumentException { checkVectorDimensions(v.length); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() / v[iter.key()]); } return res; }
/** {@inheritDoc} */ public OpenMapRealVector ebeDivide(RealVector v) throws IllegalArgumentException { checkVectorDimensions(v.getDimension()); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() / v.getEntry(iter.key())); } return res; }
/** {@inheritDoc} */ @Override public double[] getData() { double[] res = new double[virtualSize]; Iterator iter = entries.iterator(); while (iter.hasNext()) { iter.advance(); res[iter.key()] = iter.value(); } return res; }
/** {@inheritDoc} */ @Override public OpenMapRealVector ebeMultiply(double[] v) throws IllegalArgumentException { checkVectorDimensions(v.length); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() * v[iter.key()]); } return res; }
/** {@inheritDoc} */ @Override public void setValue(double value) { entries.put(iter.key(), value); }
/** {@inheritDoc} */ @Override public OpenMapRealVector ebeMultiply(double[] v) throws IllegalArgumentException { checkVectorDimensions(v.length); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() * v[iter.key()]); } return res; }
/** {@inheritDoc} */ public OpenMapRealVector ebeMultiply(RealVector v) throws IllegalArgumentException { checkVectorDimensions(v.getDimension()); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() * v.getEntry(iter.key())); } return res; }
/** {@inheritDoc} */ @Override public OpenMapRealVector ebeDivide(double[] v) throws IllegalArgumentException { checkVectorDimensions(v.length); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() / v[iter.key()]); } return res; }
/** {@inheritDoc} */ @Override public void setValue(double value) { entries.put(iter.key(), value); }
/** {@inheritDoc} */ public OpenMapRealVector ebeMultiply(RealVector v) throws IllegalArgumentException { checkVectorDimensions(v.getDimension()); OpenMapRealVector res = new OpenMapRealVector(this); Iterator iter = res.entries.iterator(); while (iter.hasNext()) { iter.advance(); res.setEntry(iter.key(), iter.value() * v.getEntry(iter.key())); } return res; }