Examples with PrimitiveDenseStore org.ojalgo.matrix.store.PrimitiveDenseStore used on opensource projects

Example 26 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP07.

/**
 * P7
 */
@Test
public void testRelaxedNodeP07() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).lower(THREE);
    tmpModel.getVariable(1).upper(ONE);
    tmpModel.getVariable(0).upper(THREE);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 3.00 }, { 1.00 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-9.00, tmpModel.minimise().getValue(), PRECISION);
}

Example 27 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP04.

/**
 * P4
 */
@Test
public void testRelaxedNodeP04() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).upper(TWO);
    tmpModel.getVariable(1).lower(THREE);
    // tmpModel.options.debug_stream = BasicLogger.DEBUG;
    // tmpModel.options.debug_solver = LinearSolver.class;
    // tmpModel.options.validate = true;
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertStateNotLessThanOptimal(tmpResult);
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 0.00 }, { 3.00 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-9.00, tmpModel.minimise().getValue(), PRECISION);
}

Example 28 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testFullMIP.

/**
 * http://www.ee.ucla.edu/ee236a/lectures/intlp.pdf
 */
@Test
public void testFullMIP() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel();
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 2.0 }, { 2.0 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
}

Example 29 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class UCLAee236aCase method testRelaxedNodeP02.

/**
 * P2
 */
@Test
public void testRelaxedNodeP02() {
    final ExpressionsBasedModel tmpModel = UCLAee236aCase.makeOriginalRootModel().relax(true);
    tmpModel.getVariable(0).lower(THREE);
    final Optimisation.Result tmpResult = tmpModel.minimise();
    TestUtils.assertEquals(State.OPTIMAL, tmpResult.getState());
    final PrimitiveDenseStore tmpExpX = PrimitiveDenseStore.FACTORY.rows(new double[][] { { 3.00 }, { 1.33 } });
    TestUtils.assertEquals(tmpExpX, tmpResult, PRECISION);
    TestUtils.assertEquals(-10.00, tmpModel.minimise().getValue(), PRECISION);
}

Example 30 with PrimitiveDenseStore

use of org.ojalgo.matrix.store.PrimitiveDenseStore in project ojAlgo by optimatika.

the class DecompositionProblems method testP20160419.

/**
 * A user reported problems related to calculating the pseudoinverse for large (2000x2000) matrices.
 */
@Test
@Tag("slow")
public void testP20160419() {
    final PrimitiveDenseStore tmpOrg = PrimitiveDenseStore.FACTORY.makeFilled(2000, 2000, new Normal());
    final SingularValue<Double> tmpRaw = new RawSingularValue();
    try {
        final MatrixStore<Double> tmpInv = tmpRaw.invert(tmpOrg);
        TestUtils.assertEquals(tmpOrg, tmpOrg.multiply(tmpInv).multiply(tmpOrg), NumberContext.getGeneral(6, 6));
    } catch (final RecoverableCondition exception) {
        exception.printStackTrace();
    }
}