本文整理了Java中org.ujmp.core.Matrix.getAsDouble()
方法的一些代码示例,展示了Matrix.getAsDouble()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Matrix.getAsDouble()
方法的具体详情如下:
包路径:org.ujmp.core.Matrix
类名称:Matrix
方法名:getAsDouble
暂无
代码示例来源:origin: ujmp/universal-java-matrix-package
public double getDouble(long... coordinates) {
if (cumprod == null) {
createMatrix();
}
return cumprod.getAsDouble(coordinates);
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public static double calc(Matrix m) {
double max = -Double.MAX_VALUE;
double v = 0.0;
for (long[] c : m.availableCoordinates()) {
max = (v = m.getAsDouble(c)) > max ? v : max;
}
max = max == -Double.MAX_VALUE ? Double.NaN : max;
return max;
}
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public static Matrix stringToVector(String string, int size) {
Matrix m = Matrix.Factory.zeros(size, 1);
StringTokenizer st = new StringTokenizer(string, " \t\n\r\f,.:;?![]'");
while (st.hasMoreElements()) {
long index = Math.abs(st.nextElement().toString().toLowerCase().hashCode()) % size;
m.setAsDouble(m.getAsDouble(index, 0) + 1, index, 0);
}
return m;
}
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public static double recall(Matrix confusionMatrix, long catIndex) {
VerifyUtil.verifySquare(confusionMatrix);
double tp = confusionMatrix.getAsDouble(catIndex, catIndex);
double fn = 0;
for (int r = 0; r < confusionMatrix.getRowCount(); r++) {
if (r == catIndex) {
continue;
}
fn += confusionMatrix.getAsDouble(r, catIndex);
}
return recall(tp, fn);
}
代码示例来源:origin: ujmp/universal-java-matrix-package
private List<Sortable<Double, Matrix>> getSortedNeighbors(long... coordinates) {
List<Sortable<Double, Matrix>> neighbors = new ArrayList<Sortable<Double, Matrix>>();
List<Integer> candidates = getCandidates(coordinates);
for (int candidateRow : candidates) {
double dist = distanceMatrix.getAsDouble(coordinates[ROW], candidateRow);
Matrix candidate = getSource().selectRows(Ret.LINK, candidateRow);
neighbors.add(new Sortable<Double, Matrix>(dist, candidate));
}
Collections.sort(neighbors);
return neighbors;
}
代码示例来源:origin: jdmp/java-data-mining-package
public Map<String, Object> calculateObjects(Map<String, Object> input) {
Map<String, Object> result = new HashMap<String, Object>();
Matrix in = Matrix.Factory.copyFromMatrix(MathUtil.getMatrix(input.get(SOURCE)));
for (long[] c : in.allCoordinates()) {
in.setAsDouble(getProbability(in.getAsDouble(c)), c);
}
result.put(TARGET, in);
return result;
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public Long call() throws Exception {
Matrix newColumn = replaceInColumn(getSource(), bestGuess, column);
synchronized (imputed) {
for (int r = 0; r < newColumn.getRowCount(); r++) {
imputed.setAsDouble(newColumn.getAsDouble(r, 0), r, column);
}
}
return column;
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public Long call() throws Exception {
Matrix newColumn = replaceInColumn(getSource(), firstGuess, column);
for (int r = 0; r < newColumn.getRowCount(); r++) {
imputed.setAsDouble(newColumn.getAsDouble(r, 0), r, column);
}
return column;
}
代码示例来源:origin: jdmp/java-data-mining-package
public final boolean isDiscrete() {
for (Sample s : this) {
Matrix input = s.getAsMatrix(INPUT);
for (long[] c : input.availableCoordinates()) {
if (!MathUtil.isDiscrete(input.getAsDouble(c))) {
return false;
}
}
}
return true;
}
代码示例来源:origin: ujmp/universal-java-matrix-package
private boolean containsMissingValues(long c) {
for (int r = 0; r < getSource().getRowCount(); r++) {
if (MathUtil.isNaNOrInfinite(getSource().getAsDouble(r, c))) {
return true;
}
}
return false;
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public VolatileSparseObjectMatrix(Matrix m) {
super(m.getSize());
this.size = Coordinates.copyOf(m.getSize());
for (long[] c : m.allCoordinates()) {
setAsDouble(m.getAsDouble(c), c);
}
}
代码示例来源:origin: org.ujmp/ujmp-commonsmath
public CommonsMathBlockDenseDoubleMatrix2D(org.ujmp.core.Matrix source) {
this(source.getSize());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
MapMatrix<String, Object> a = source.getMetaData();
if (a != null) {
setMetaData(a.clone());
}
}
代码示例来源:origin: org.ujmp/ujmp-commonsmath
public CommonsMathArrayDenseDoubleMatrix2D(org.ujmp.core.Matrix source) {
this(source.getSize());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
MapMatrix<String, Object> a = source.getMetaData();
if (a != null) {
setMetaData(a.clone());
}
}
代码示例来源:origin: org.ujmp/ujmp-mtj
public double getDouble(long... coordinates) {
if (inv == null) {
DenseMatrix A = new MTJDenseDoubleMatrix2D(getSource()).getWrappedObject();
DenseMatrix I = Matrices.identity((int) getSource().getColumnCount());
DenseMatrix AI = I.copy();
inv = new MTJDenseDoubleMatrix2D((DenseMatrix) A.solve(I, AI));
}
return inv.getAsDouble(coordinates);
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public double getDouble(long... coordinates) {
if (inv == null) {
DenseMatrix A = new MTJDenseDoubleMatrix2D(getSource()).getWrappedObject();
DenseMatrix I = Matrices.identity((int) getSource().getColumnCount());
DenseMatrix AI = I.copy();
inv = new MTJDenseDoubleMatrix2D((DenseMatrix) A.solve(I, AI));
}
return inv.getAsDouble(coordinates);
}
代码示例来源:origin: org.ujmp/ujmp-colt
public ColtSparseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
this.matrix = new SparseDoubleMatrix2D((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
代码示例来源:origin: org.ujmp/ujmp-la4j
public La4JDenseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
this.matrix = new Basic2DMatrix((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
代码示例来源:origin: org.ujmp/ujmp-jama
public JamaDenseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
this.matrix = new Jama.Matrix((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
代码示例来源:origin: org.ujmp/ujmp-colt
public ColtDenseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
this.matrix = new DenseDoubleMatrix2D((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
代码示例来源:origin: ujmp/universal-java-matrix-package
public ColtSparseDoubleMatrix2D(Matrix source) {
super(source.getRowCount(), source.getColumnCount());
this.matrix = new SparseDoubleMatrix2D((int) source.getRowCount(), (int) source.getColumnCount());
for (long[] c : source.availableCoordinates()) {
setDouble(source.getAsDouble(c), c);
}
if (source.getMetaData() != null) {
setMetaData(source.getMetaData().clone());
}
}
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