Examples with ConstantFactor com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor used on opensource projects

Example 1 with ConstantFactor

use of com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor in project aic-praise by aic-sri-international.

the class ExpressionFactorTest method testMultiply4.

@Test
public void testMultiply4() {
    Theory theory = new CommonTheory();
    Context context = new TrueContext(theory);
    Expression a = DefaultSymbol.createSymbol("a");
    ExpressionFactor aFactor = new DefaultExpressionFactor(a, context);
    ConstantFactor tenFactor = new ConstantFactor(10.);
    Factor result = aFactor.multiply(tenFactor);
    assertEquals("10 * a", result.toString());
}

Example 2 with ConstantFactor

use of com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor in project aic-praise by aic-sri-international.

the class TableFactorTest method testf2SumOutV2V4.

@Test
public void testf2SumOutV2V4() {
    println();
    println("SUM OUT V2 and V4 from F2");
    println("-------------------------------");
    ArrayList<TableVariable> variablesToSumOut = Util.arrayList(V2, V4);
    ConstantFactor f2SumOutV2V4 = (ConstantFactor) f2.sumOut(variablesToSumOut);
    // f1SumOutV1V2V3.setName("f1SumOutV1V2V3");  cannot set name of a [now] ConstantFactor
    print("f2SumOutV2V4: ");
    println(f2SumOutV2V4);
    assertEquals("129.0", f2SumOutV2V4.toString());
    println();
}

Example 3 with ConstantFactor

use of com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor in project aic-praise by aic-sri-international.

the class GradientAnytimeExactBP method computeInvertedMaxMinusMinFactor.

private static Factor computeInvertedMaxMinusMinFactor(Factor factor, Collection<? extends Variable> variablesToMaximizeAndMinimizeOver) {
    Factor maxFactor = factor.max(variablesToMaximizeAndMinimizeOver);
    Factor minFactor = factor.min(variablesToMaximizeAndMinimizeOver);
    Factor normalizedMaxFactor = maxFactor.normalize();
    Factor normalizedMinFactor = minFactor.normalize();
    Factor minusMinFactor = normalizedMinFactor.multiply(new ConstantFactor(-1.));
    Factor maxMinusMinFactor = normalizedMaxFactor.add(minusMinFactor);
    Factor invertMaxMinusMinFactor = maxMinusMinFactor.invert();
    return invertMaxMinusMinFactor;
}

Example 4 with ConstantFactor

use of com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor in project aic-praise by aic-sri-international.

the class ExpressionFactorTest method testAdd4.

@Test
public void testAdd4() {
    Theory theory = new CommonTheory();
    Context context = new TrueContext(theory);
    Expression a = DefaultSymbol.createSymbol("a");
    ExpressionFactor aFactor = new DefaultExpressionFactor(a, context);
    ConstantFactor tenFactor = new ConstantFactor(10.);
    Factor result = aFactor.add(tenFactor);
    assertEquals("10 + a", result.toString());
}

Example 5 with ConstantFactor

use of com.sri.ai.praise.core.representation.interfacebased.factor.core.ConstantFactor in project aic-praise by aic-sri-international.

the class TableFactorTest method testf1SumOutV1V2V3.

@Test
public void testf1SumOutV1V2V3() {
    println();
    println("SUM OUT V1, V2, and V3 from F1");
    println("-------------------------------");
    ArrayList<TableVariable> variablesToSumOut = Util.arrayList(V1, V2, V3);
    ConstantFactor f1SumOutV1V2V3 = (ConstantFactor) f1.sumOut(variablesToSumOut);
    // f1SumOutV1V2V3.setName("f1SumOutV1V2V3");  cannot set name of a [now] ConstantFactor
    print("f1SumOutV1V2V3: ");
    println(f1SumOutV1V2V3);
    assertEquals("24.0", f1SumOutV1V2V3.toString());
    println();
}