本文整理汇总了Java中org.ujmp.core.Matrix.lu方法的典型用法代码示例。如果您正苦于以下问题：Java Matrix.lu方法的具体用法？Java Matrix.lu怎么用？Java Matrix.lu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.lu方法的9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: testLUSquareSingularSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUSquareSingularSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(5, 5);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.SQUARE, Size.SMALL, EntryType.SINGULAR)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(getLabel(), 0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例2: testLUTallFixedSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUTallFixedSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(6, 4);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.TALL, Size.SMALL, null)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例3: testLUFatFixedSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUFatFixedSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(4, 6);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.FAT, Size.SMALL, null)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例4: 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5: testLUSquareSingularLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUSquareSingularLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(116, 116);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.SQUARE, Size.LARGE, EntryType.SINGULAR)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(getLabel(), 0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例6: testLUSquareRandSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUSquareRandSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(10, 10);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.SQUARE, Size.SMALL, EntryType.RANDN)) {
return;
}
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.SQUARE, Size.SMALL, EntryType.SINGULAR)) {
return;
}
a.randn(Ret.ORIG);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(getLabel(), 0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例7: testLUSquareRandLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUSquareRandLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(112, 112);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.SQUARE, Size.LARGE, EntryType.RANDN)) {
return;
}
a.randn(Ret.ORIG);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(getLabel(), 0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例8: testLUTallFixedLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUTallFixedLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(161, 142);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.TALL, Size.LARGE, null)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}
示例9: testLUFatFixedLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testLUFatFixedLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(141, 162);
if (!isSupported(a, MatrixLibraries.LU, MatrixLayout.FAT, Size.LARGE, null)) {
return;
}
setAscending(a);
Matrix[] lu = a.lu();
Matrix prod = lu[0].mtimes(lu[1]);
Matrix aperm = lu[2].mtimes(a);
assertEquals(0.0, prod.minus(aperm).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod instanceof Erasable) {
((Erasable) prod).erase();
}
if (aperm instanceof Erasable) {
((Erasable) aperm).erase();
}
}