Package cc.redberry.core.transformations

Examples of cc.redberry.core.transformations.DifferentiateTransformation$SymmetricDifferentiationRule

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                        indices[j] = setRawState(getRawStateInt(var.getIndices().get(j)),
                                ig.generate(getType(var.getIndices().get(j))));
                    varIndices = UnsafeIndicesFactory.createIsolatedUnsafeWithoutSort(null, indices);
                    var = Tensors.setIndices(var, varIndices);
                    __from = Tensors.fieldDerivative(__from, varIndices.getInverted(), i);
                    __to = new DifferentiateTransformation(var).transform(__to);
                    --order;
                }
            }
            derivative = new DFromTo(__from, __to);
            derivatives.put(orders, derivative);
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            temp = content[i].toTensor();
            if (!(temp instanceof SimpleTensor) && !(temp instanceof TensorField))
                throw new IllegalArgumentException("Derivative with respect to non simple argument: " + temp);
            vars[i - 1] = (SimpleTensor) temp;
        }
        return new DifferentiateTransformation(vars, new Transformation[]{EliminateMetricsTransformation.ELIMINATE_METRICS}
        ).transform(content[0].toTensor());
    }
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                        indices[j] = setRawState(getRawStateInt(var.getIndices().get(j)),
                                ig.generate(getType(var.getIndices().get(j))));
                    varIndices = UnsafeIndicesFactory.createIsolatedUnsafeWithoutSort(null, indices);
                    var = Tensors.setIndices(var, varIndices);
                    __from = Tensors.fieldDerivative(__from, varIndices.getInverted(), i);
                    __to = new DifferentiateTransformation(var).transform(__to);
                    --order;
                }
            }
            derivative = new DFromTo(__from, __to);
            derivatives.put(orders, derivative);
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            if (!(temp instanceof SimpleTensor) && !(temp instanceof TensorField))
                throw new IllegalArgumentException("Derivative with respect to non simple argument: " + temp);
            vars[i - 1] = (SimpleTensor) temp;
        }
        allowedDummies.removeAll(IndicesUtils.getIndicesNames(free.getIndices().getFree()));
        Tensor result = new DifferentiateTransformation(
                vars, new Transformation[]{ExpandAndEliminateTransformation.EXPAND_AND_ELIMINATE}
        ).transform(content[0].toTensor());
        result = ApplyIndexMapping.optimizeDummies(result);
        TIntHashSet generated = TensorUtils.getAllDummyIndicesT(result);
        generated.removeAll(allowedDummies);
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            temp = content[i].toTensor();
            if (!(temp instanceof SimpleTensor) && !(temp instanceof TensorField))
                throw new IllegalArgumentException("Derivative with respect to non simple argument: " + temp);
            vars[i - 1] = (SimpleTensor) temp;
        }
        return new DifferentiateTransformation(new Transformation[]{EliminateMetricsTransformation.ELIMINATE_METRICS},
                vars).transform(content[0].toTensor());
    }
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                        indices[j] = setRawState(getRawStateInt(var.getIndices().get(j)),
                                ig.generate(getType(var.getIndices().get(j))));
                    varIndices = UnsafeIndicesFactory.createIsolatedUnsafeWithoutSort(null, indices);
                    var = Tensors.setIndices(var, varIndices);
                    __from = Tensors.fieldDerivative(__from, varIndices.getInverted(), i);
                    __to = new DifferentiateTransformation(var).transform(__to);
                    --order;
                }
            }
            derivative = new DFromTo(__from, __to);
            derivatives.put(orders, derivative);
View Full Code Here
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            temp = content[i].toTensor();
            if (!(temp instanceof SimpleTensor) && !(temp instanceof TensorField))
                throw new IllegalArgumentException("Derivative with respect to non simple argument: " + temp);
            vars[i - 1] = (SimpleTensor) temp;
        }
        return new DifferentiateTransformation(vars, new Transformation[]{EliminateMetricsTransformation.ELIMINATE_METRICS}
        ).transform(content[0].toTensor());
    }
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Related Classes of cc.redberry.core.transformations.DifferentiateTransformation$SymmetricDifferentiationRule

  • cc.redberry.core.indexgenerator.IndexGenerator
  • cc.redberry.core.indexgenerator.IndexGeneratorImpl
  • cc.redberry.core.indexmapping.Mapping
  • cc.redberry.core.indices.SimpleIndices
  • cc.redberry.core.parser.ParseTokenDerivative
  • cc.redberry.core.tensor.iterator.FromChildToParentIterator
  • cc.redberry.core.transformations.substitutions.PrimitiveTensorFieldSubstitution
  • cc.redberry.core.transformations.substitutions.SubstitutionTransformation
  • cc.redberry.core.transformations.symmetrization.SymmetrizeTransformation
  • gnu.trove.set.hash.TIntHashSet
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