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Java Matrix.minus方法代码示例

本文整理汇总了Java中org.ujmp.core.Matrix.minus方法的典型用法代码示例。如果您正苦于以下问题：Java Matrix.minus方法的具体用法？Java Matrix.minus怎么用？Java Matrix.minus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.minus方法的15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: testMinusScalarSmall

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testMinusScalarSmall() throws Exception {
	Matrix m = createMatrixWithAnnotation(2, 2);
	m.setAsDouble(1.0, 0, 0);
	m.setAsDouble(2.0, 0, 1);
	m.setAsDouble(3.0, 1, 0);
	m.setAsDouble(4.0, 1, 1);
	Matrix r = m.minus(1.0);
	assertEquals(getLabel(), 0.0, r.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 1.0, r.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 2.0, r.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 3.0, r.getAsDouble(1, 1), TOLERANCE);

	assertEquals(getLabel(), 1.0, m.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 2.0, m.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 3.0, m.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 4.0, m.getAsDouble(1, 1), TOLERANCE);

	if (m instanceof Erasable) {
		((Erasable) m).erase();
	}
	if (r instanceof Erasable) {
		((Erasable) r).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2: test0Minus0Matrix

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void test0Minus0Matrix() throws Exception {
	Matrix m1 = createMatrixWithAnnotation(5, 7);
	Matrix m2 = createMatrixWithAnnotation(5, 7);
	Matrix m3 = m1.minus(m2);
	assertTrue(getLabel(), m3.isEmpty());
	if (m1 instanceof Erasable) {
		((Erasable) m1).erase();
	}
	if (m2 instanceof Erasable) {
		((Erasable) m2).erase();
	}
	if (m3 instanceof Erasable) {
		((Erasable) m3).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3: testXMinus0Matrix

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testXMinus0Matrix() throws Exception {
	Matrix m1 = createMatrixWithAnnotation(5, 7);
	Matrix m2 = createMatrixWithAnnotation(5, 7);
	m1.randn(Ret.ORIG);
	Matrix m3 = m1.minus(m2);
	assertEquals(getLabel(), m1, m3);

	if (m1 instanceof Erasable) {
		((Erasable) m1).erase();
	}
	if (m2 instanceof Erasable) {
		((Erasable) m2).erase();
	}
	if (m3 instanceof Erasable) {
		((Erasable) m3).erase();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:19，代码来源:AbstractMatrixTest.java

示例4: test0MinusXMatrix

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void test0MinusXMatrix() throws Exception {
	Matrix m1 = createMatrixWithAnnotation(5, 7);
	Matrix m2 = createMatrixWithAnnotation(5, 7);
	m2.randn(Ret.ORIG);
	Matrix m3 = m1.minus(m2);
	Matrix m4 = m2.times(-1);
	assertEquals(getLabel(), m4, m3);

	if (m1 instanceof Erasable) {
		((Erasable) m1).erase();
	}
	if (m2 instanceof Erasable) {
		((Erasable) m2).erase();
	}
	if (m3 instanceof Erasable) {
		((Erasable) m3).erase();
	}
	if (m4 instanceof Erasable) {
		((Erasable) m4).erase();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:23，代码来源:AbstractMatrixTest.java

示例5: 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6: getDouble

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
public double getDouble(long... coordinates) {
	if (ret == null) {
		Matrix max = new Max(getDimension(), getSource()).calcNew();
		Matrix min = new Min(getDimension(), getSource()).calcNew();
		Matrix range = max.minus(min);
		Matrix diff = null;
		switch (getDimension()) {
		case ROW:
			diff = getSource().minus(Matrix.Factory.vertCat(min, getSource().getRowCount()));
			break;
		case COLUMN:
			diff = getSource().minus(Matrix.Factory.horCat(min, getSource().getColumnCount()));
			break;
		default:
			diff = getSource().minus(min);
			break;
		}
		switch (getDimension()) {
		case ROW:
			ret = diff.divide(Matrix.Factory.vertCat(range, getSource().getRowCount()));
			break;
		case COLUMN:
			ret = diff.divide(Matrix.Factory.horCat(range, getSource().getColumnCount()));
			break;
		default:
			ret = diff.divide(range);
			break;
		}
	}

	return ret.getAsDouble(coordinates);
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:33，代码来源:Normalize.java

示例7: testMinusScalarLarge

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testMinusScalarLarge() throws Exception {
	if (!isTestLarge()) {
		return;
	}
	Matrix m = createMatrixWithAnnotation(124, 114);
	m.setAsDouble(1.0, 0, 0);
	m.setAsDouble(2.0, 0, 1);
	m.setAsDouble(3.0, 1, 0);
	m.setAsDouble(4.0, 1, 1);
	Matrix r = m.minus(1.0);
	assertEquals(getLabel(), 0.0, r.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 1.0, r.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 2.0, r.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 3.0, r.getAsDouble(1, 1), TOLERANCE);

	assertEquals(getLabel(), 1.0, m.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 2.0, m.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 3.0, m.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 4.0, m.getAsDouble(1, 1), TOLERANCE);

	if (m instanceof Erasable) {
		((Erasable) m).erase();
	}
	if (r instanceof Erasable) {
		((Erasable) r).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8: testMinusMatrixSmall

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public final void testMinusMatrixSmall() throws Exception {
	Matrix m1 = createMatrixWithAnnotation(2, 2);
	Matrix m2 = createMatrixWithAnnotation(2, 2);
	m1.setAsDouble(1.0, 0, 0);
	m1.setAsDouble(2.0, 0, 1);
	m1.setAsDouble(3.0, 1, 0);
	m1.setAsDouble(4.0, 1, 1);
	m2.setAsDouble(0.0, 0, 0);
	m2.setAsDouble(1.0, 0, 1);
	m2.setAsDouble(2.0, 1, 0);
	m2.setAsDouble(3.0, 1, 1);
	Matrix r = m1.minus(m2);
	assertEquals(getLabel(), 1.0, r.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 1.0, r.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 1.0, r.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 1.0, r.getAsDouble(1, 1), TOLERANCE);

	assertEquals(getLabel(), 1.0, m1.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 2.0, m1.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 3.0, m1.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 4.0, m1.getAsDouble(1, 1), TOLERANCE);

	assertEquals(getLabel(), 0.0, m2.getAsDouble(0, 0), TOLERANCE);
	assertEquals(getLabel(), 1.0, m2.getAsDouble(0, 1), TOLERANCE);
	assertEquals(getLabel(), 2.0, m2.getAsDouble(1, 0), TOLERANCE);
	assertEquals(getLabel(), 3.0, m2.getAsDouble(1, 1), TOLERANCE);

	if (m1 instanceof Erasable) {
		((Erasable) m1).erase();
	}
	if (m2 instanceof Erasable) {
		((Erasable) m2).erase();
	}
	if (r instanceof Erasable) {
		((Erasable) r).erase();
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:39，代码来源:AbstractMatrixTest.java

示例9: predictOne

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
public final void predictOne(Sample sample) {
	Matrix predicted = predictOne(sample.getAsMatrix(getInputLabel()));
	predicted = predicted.toColumnVector(Ret.LINK);
	sample.put(PREDICTED, predicted);

	if (sample.getAsMatrix(getTargetLabel()) != null) {
		Matrix target = sample.getAsMatrix(getTargetLabel()).toColumnVector(Ret.LINK);
		Matrix error = target.minus(predicted);
		sample.put(DIFFERENCE, error);
		sample.put(RMSE, Matrix.Factory.linkToValue(error.getRMS()));
	}

	sample.fireValueChanged();
}
开发者ID:jdmp，项目名称:java-data-mining-package，代码行数:15，代码来源:AbstractRegressor.java

示例10: testMinusMatrixLarge

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public void testMinusMatrixLarge() throws Exception {
	Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(101, 100);
	Matrix ref2 = DenseDoubleMatrix2D.Factory.randn(101, 100);
	Matrix ref3 = ref1.minus(Ret.LINK, true, ref2);

	for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
		Matrix m1 = getMatrix(mclass, ref1);
		Matrix m2 = getMatrix(mclass, ref2);
		Matrix m3 = m1.minus(m2);
		assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:14，代码来源:TestCompareMatrices.java

示例11: testPlusScalarSmall

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public void testPlusScalarSmall() throws Exception {
	Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(11, 10);
	double ref2 = MathUtil.nextDouble();
	Matrix ref3 = ref1.plus(Ret.LINK, true, ref2);

	for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
		Matrix m1 = getMatrix(mclass, ref1);
		Matrix m3 = m1.plus(ref2);
		Matrix delta = ref3.minus(m3);
		assertEquals(mclass.toString(), 0.0, delta.getRMS(), TOLERANCE);
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:14，代码来源:TestCompareMatrices.java

示例12: testMinusScalarLarge

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public void testMinusScalarLarge() throws Exception {
	Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(101, 100);
	double ref2 = MathUtil.nextDouble();
	Matrix ref3 = ref1.minus(Ret.LINK, true, ref2);

	for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
		Matrix m1 = getMatrix(mclass, ref1);
		Matrix m3 = m1.minus(ref2);
		assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:13，代码来源:TestCompareMatrices.java

示例13: testMinusScalarSmall

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
@Test
public void testMinusScalarSmall() throws Exception {
	Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(11, 10);
	double ref2 = MathUtil.nextDouble();
	Matrix ref3 = ref1.minus(Ret.LINK, true, ref2);

	for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
		Matrix m1 = getMatrix(mclass, ref1);
		Matrix m3 = m1.minus(ref2);
		assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
	}
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:13，代码来源:TestCompareMatrices.java

示例14: getDensity

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
public static double getDensity(Matrix x, Matrix mean, Matrix covariance) {
	Matrix xmean = x.minus(mean);
	Matrix inverse = covariance.inv();
	double f = 1.0 / Math.sqrt(covariance.det() * Math.pow(2.0 * Math.PI, x.getColumnCount()));
	Matrix matrix = xmean.mtimes(inverse).mtimes(xmean.transpose());
	return f * Math.exp(-0.5 * matrix.doubleValue());
}
开发者ID:jdmp，项目名称:java-data-mining-package，代码行数:8，代码来源:MultivariateGaussianDensityEstimator.java

示例15: difference

import org.ujmp.core.Matrix; //导入方法依赖的package包/类
public static double difference(Matrix m1, Matrix m2) {
	Matrix d = m1.minus(m2);
	// return normF(d).doubleValue();
	return d.normF();
}
开发者ID:ujmp，项目名称:universal-java-matrix-package，代码行数:6，代码来源:BenchmarkUtil.java


注：本文中的org.ujmp.core.Matrix.minus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。