本文整理汇总了Java中org.ujmp.core.Matrix.qr方法的典型用法代码示例。如果您正苦于以下问题:Java Matrix.qr方法的具体用法?Java Matrix.qr怎么用?Java Matrix.qr使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.ujmp.core.Matrix
的用法示例。
在下文中一共展示了Matrix.qr方法的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testQRFixedSquareSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRFixedSquareSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(5, 5);
setAscending(a);
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例2: testQRFixedSquareLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRFixedSquareLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(151, 151);
setAscending(a);
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例3: testQRRandSquareSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRRandSquareSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(7, 7);
a.randn(Ret.ORIG);
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例4: testQRRandLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRRandLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(123, 123);
a.randn(Ret.ORIG);
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例5: testQRFatSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRFatSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(4, 6);
if (!isSupported(a, MatrixLibraries.QR, MatrixLayout.FAT, Size.SMALL, null)) {
return;
}
for (int r = 0, v = 1; r < a.getRowCount(); r++) {
for (int c = 0; c < a.getColumnCount(); c++) {
a.setAsDouble(v++, r, c);
}
}
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例6: testQRTallSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRTallSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(6, 4);
if (!isSupported(a, MatrixLibraries.QR, MatrixLayout.TALL, Size.SMALL, null)) {
return;
}
for (int r = 0, v = 1; r < a.getRowCount(); r++) {
for (int c = 0; c < a.getColumnCount(); c++) {
a.setAsDouble(v++, r, c);
}
}
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例7: testQRTallLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRTallLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(168, 143);
for (int r = 0, v = 1; r < a.getRowCount(); r++) {
for (int c = 0; c < a.getColumnCount(); c++) {
a.setAsDouble(v++, r, c);
}
}
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例8: main
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
// create a dense empty matrix with 4 rows and 4 columns
Matrix dense = DenseMatrix.Factory.zeros(4, 4);
// set entry at row 2 and column 3 to the value 5.0
dense.setAsDouble(5.0, 2, 3);
// set some other values
dense.setAsDouble(1.0, 0, 0);
dense.setAsDouble(3.0, 1, 1);
dense.setAsDouble(4.0, 2, 2);
dense.setAsDouble(-2.0, 3, 3);
dense.setAsDouble(-2.0, 1, 3);
// print the final matrix on the console
System.out.println(dense);
// create a sparse empty matrix with 4 rows and 4 columns
Matrix sparse = SparseMatrix.Factory.zeros(4, 4);
sparse.setAsDouble(2.0, 0, 0);
// basic calculations
Matrix transpose = dense.transpose();
Matrix sum = dense.plus(sparse);
Matrix difference = dense.minus(sparse);
Matrix matrixProduct = dense.mtimes(sparse);
Matrix scaled = dense.times(2.0);
Matrix inverse = dense.inv();
Matrix pseudoInverse = dense.pinv();
double determinant = dense.det();
Matrix[] singularValueDecomposition = dense.svd();
Matrix[] eigenValueDecomposition = dense.eig();
Matrix[] luDecomposition = dense.lu();
Matrix[] qrDecomposition = dense.qr();
Matrix choleskyDecomposition = dense.chol();
}
示例9: testQRFatLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQRFatLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(140, 160);
if (!isSupported(a, MatrixLibraries.QR, MatrixLayout.FAT, Size.LARGE, null)) {
return;
}
for (int r = 0, v = 1; r < a.getRowCount(); r++) {
for (int c = 0; c < a.getColumnCount(); c++) {
a.setAsDouble(v++, r, c);
}
}
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
assertEquals(0.0, prod.minus(a).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
}
示例10: testQR
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testQR() throws Exception {
Matrix a = createMatrixWithAnnotation(1, 1);
List<MatrixLayout> layouts = new LinkedList<MatrixLayout>();
layouts.add(MatrixLayout.SQUARE);
layouts.add(MatrixLayout.FAT);
layouts.add(MatrixLayout.TALL);
List<Size> sizes = new LinkedList<Size>();
sizes.add(Size.SINGLEENTRY);
sizes.add(Size.SMALL);
if (isTestLarge()) {
sizes.add(Size.LARGE);
}
List<EntryType> generators = new LinkedList<EntryType>();
generators.add(EntryType.SINGULAR);
generators.add(EntryType.RAND);
generators.add(EntryType.RANDN);
generators.add(EntryType.RANDSYMM);
generators.add(EntryType.RANDNSYMM);
generators.add(EntryType.SPD);
for (MatrixLayout layout : layouts) {
for (Size size : sizes) {
for (EntryType generator : generators) {
String label = getLabel() + "-" + layout + "-" + size + "-" + generator;
// symmetric only for square matrices
if (!MatrixLayout.SQUARE.equals(layout)) {
if (EntryType.RANDSYMM.equals(generator)) {
continue;
} else if (EntryType.RANDNSYMM.equals(generator)) {
continue;
} else if (EntryType.SPD.equals(generator)) {
continue;
}
}
try {
a = createMatrixWithAnnotation(layout, size, generator);
Matrix[] qr = a.qr();
Matrix prod = qr[0].mtimes(qr[1]);
Matrix diff = prod.minus(a);
assertEquals(label, 0.0, diff.getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (diff instanceof Erasable) {
((Erasable) diff).erase();
}
} catch (Exception e) {
// catch known errors
// i.e. when this feature is not supported
if (!isSupported(a, MatrixLibraries.QR, layout, size, generator)) {
continue;
}
throw new Exception(label, e);
}
}
}
}
}