本文整理汇总了Java中org.ujmp.core.Matrix.eig方法的典型用法代码示例。如果您正苦于以下问题:Java Matrix.eig方法的具体用法?Java Matrix.eig怎么用?Java Matrix.eig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.eig方法的5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: testEigRandSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testEigRandSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(10, 10);
if (!isSupported(a, MatrixLibraries.EIG, MatrixLayout.SQUARE, Size.SMALL, EntryType.RANDN)) {
return;
}
a.randn(Ret.ORIG);
Matrix[] eig = a.eig();
Matrix prod1 = a.mtimes(eig[0]);
Matrix prod2 = eig[0].mtimes(eig[1]);
assertEquals(getLabel(), 0.0, prod1.minus(prod2).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
}
示例2: testEigSymmSmall
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public void testEigSymmSmall() throws Exception {
Matrix a = createMatrixWithAnnotation(10, 10);
setRandSymmetric(a);
Matrix[] eig = a.eig();
Matrix prod1 = a.mtimes(eig[0]);
Matrix prod2 = eig[0].mtimes(eig[1]);
assertEquals(getLabel(), 0.0, prod1.minus(prod2).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod1 instanceof Erasable) {
((Erasable) prod1).erase();
}
if (prod2 instanceof Erasable) {
((Erasable) prod2).erase();
}
}
示例3: testEigSymmLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testEigSymmLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(111, 111);
setRandSymmetric(a);
Matrix[] eig = a.eig();
Matrix prod1 = a.mtimes(eig[0]);
Matrix prod2 = eig[0].mtimes(eig[1]);
assertEquals(getLabel(), 0.0, prod1.minus(prod2).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod1 instanceof Erasable) {
((Erasable) prod1).erase();
}
if (prod2 instanceof Erasable) {
((Erasable) prod2).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: testEigRandLarge
import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testEigRandLarge() throws Exception {
if (!isTestLarge()) {
return;
}
Matrix a = createMatrixWithAnnotation(110, 110);
if (!isSupported(a, MatrixLibraries.EIG, MatrixLayout.SQUARE, Size.LARGE, null)) {
return;
}
a.randn(Ret.ORIG);
Matrix[] eig = a.eig();
Matrix prod1 = a.mtimes(eig[0]);
Matrix prod2 = eig[0].mtimes(eig[1]);
assertEquals(getLabel(), 0.0, prod1.minus(prod2).getRMS(), TOLERANCE);
if (a instanceof Erasable) {
((Erasable) a).erase();
}
if (prod1 instanceof Erasable) {
((Erasable) prod1).erase();
}
if (prod2 instanceof Erasable) {
((Erasable) prod2).erase();
}
}