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Java Matrix.qr方法代码示例

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:17，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:20，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:17，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:20，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:26，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:26，代码来源:AbstractMatrixTest.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:25，代码来源:AbstractMatrixTest.java

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();

	}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:41，代码来源:QuickStart.java

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();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:29，代码来源:AbstractMatrixTest.java

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);
				}
			}
		}
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:70，代码来源:AbstractMatrixTest.java


注：本文中的org.ujmp.core.Matrix.qr方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。