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Google OR-Tools v9.14
a fast and portable software suite for combinatorial optimization
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Quadratic constraints of the form lb <= sum a_i x_i + sum b_ij x_i x_j <= ub, where a, b, lb and ub are constants, and x are the model's variables. Quadratic matrices that are Positive Semi-Definite, Second-Order Cones or rotated Second-Order Cones are always accepted. Other forms may or may not be accepted depending on the underlying solver used. See https://scip.zib.de/doc/html/cons__quadratic_8h.php and https://www.gurobi.com/documentation/9.0/refman/constraints.html#subsubsection:QuadraticConstraints
Protobuf type operations_research.MPQuadraticConstraint
Definition at line 22 of file MPQuadraticConstraint.java.
Classes | |
class | Builder |
Public Member Functions | |
java.util.List< java.lang.Integer > | getVarIndexList () |
int | getVarIndexCount () |
int | getVarIndex (int index) |
java.util.List< java.lang.Double > | getCoefficientList () |
int | getCoefficientCount () |
double | getCoefficient (int index) |
java.util.List< java.lang.Integer > | getQvar1IndexList () |
int | getQvar1IndexCount () |
int | getQvar1Index (int index) |
java.util.List< java.lang.Integer > | getQvar2IndexList () |
int | getQvar2IndexCount () |
int | getQvar2Index (int index) |
java.util.List< java.lang.Double > | getQcoefficientList () |
int | getQcoefficientCount () |
double | getQcoefficient (int index) |
boolean | hasLowerBound () |
double | getLowerBound () |
boolean | hasUpperBound () |
double | getUpperBound () |
final boolean | isInitialized () |
void | writeTo (com.google.protobuf.CodedOutputStream output) throws java.io.IOException |
int | getSerializedSize () |
boolean | equals (final java.lang.Object obj) |
int | hashCode () |
Builder | newBuilderForType () |
Builder | toBuilder () |
com.google.protobuf.Parser< MPQuadraticConstraint > | getParserForType () |
com.google.ortools.linearsolver.MPQuadraticConstraint | getDefaultInstanceForType () |
Static Public Member Functions | |
static final com.google.protobuf.Descriptors.Descriptor | getDescriptor () |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (com.google.protobuf.ByteString data) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (byte[] data) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (java.io.InputStream input) throws java.io.IOException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseDelimitedFrom (java.io.InputStream input) throws java.io.IOException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseDelimitedFrom (java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (com.google.protobuf.CodedInputStream input) throws java.io.IOException |
static com.google.ortools.linearsolver.MPQuadraticConstraint | parseFrom (com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException |
static Builder | newBuilder () |
static Builder | newBuilder (com.google.ortools.linearsolver.MPQuadraticConstraint prototype) |
static com.google.ortools.linearsolver.MPQuadraticConstraint | getDefaultInstance () |
static com.google.protobuf.Parser< MPQuadraticConstraint > | parser () |
Static Public Attributes | |
static final int | VAR_INDEX_FIELD_NUMBER = 1 |
static final int | COEFFICIENT_FIELD_NUMBER = 2 |
static final int | QVAR1_INDEX_FIELD_NUMBER = 3 |
static final int | QVAR2_INDEX_FIELD_NUMBER = 4 |
static final int | QCOEFFICIENT_FIELD_NUMBER = 5 |
static final int | LOWER_BOUND_FIELD_NUMBER = 6 |
static final int | UPPER_BOUND_FIELD_NUMBER = 7 |
Protected Member Functions | |
com.google.protobuf.GeneratedMessage.FieldAccessorTable | internalGetFieldAccessorTable () |
Builder | newBuilderForType (com.google.protobuf.GeneratedMessage.BuilderParent parent) |
boolean com.google.ortools.linearsolver.MPQuadraticConstraint.equals | ( | final java.lang.Object | obj | ) |
Definition at line 427 of file MPQuadraticConstraint.java.
double com.google.ortools.linearsolver.MPQuadraticConstraint.getCoefficient | ( | int | index | ) |
Must be finite.
repeated double coefficient = 2;
index | The index of the element to return. |
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 151 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getCoefficientCount | ( | ) |
Must be finite.
repeated double coefficient = 2;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 139 of file MPQuadraticConstraint.java.
java.util.List< java.lang.Double > com.google.ortools.linearsolver.MPQuadraticConstraint.getCoefficientList | ( | ) |
Must be finite.
repeated double coefficient = 2;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 128 of file MPQuadraticConstraint.java.
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Definition at line 1632 of file MPQuadraticConstraint.java.
com.google.ortools.linearsolver.MPQuadraticConstraint com.google.ortools.linearsolver.MPQuadraticConstraint.getDefaultInstanceForType | ( | ) |
Definition at line 1668 of file MPQuadraticConstraint.java.
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Definition at line 51 of file MPQuadraticConstraint.java.
double com.google.ortools.linearsolver.MPQuadraticConstraint.getLowerBound | ( | ) |
lower_bound must be <= upper_bound.
optional double lower_bound = 6 [default = -inf];
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 307 of file MPQuadraticConstraint.java.
com.google.protobuf.Parser< MPQuadraticConstraint > com.google.ortools.linearsolver.MPQuadraticConstraint.getParserForType | ( | ) |
Definition at line 1663 of file MPQuadraticConstraint.java.
double com.google.ortools.linearsolver.MPQuadraticConstraint.getQcoefficient | ( | int | index | ) |
Must be finite.
repeated double qcoefficient = 5;
index | The index of the element to return. |
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 280 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getQcoefficientCount | ( | ) |
Must be finite.
repeated double qcoefficient = 5;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 268 of file MPQuadraticConstraint.java.
java.util.List< java.lang.Double > com.google.ortools.linearsolver.MPQuadraticConstraint.getQcoefficientList | ( | ) |
Must be finite.
repeated double qcoefficient = 5;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 257 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar1Index | ( | int | index | ) |
Sparse representation of quadratic terms in the quadratic constraint, where term i is qvar1_index[i] * qvar2_index[i] * qcoefficient[i]. `qvar1_index` and `qvar2_index` are variable indices w.r.t the "variable" field in MPModelProto. `qvar1_index`, `qvar2_index` and `coefficients` must have the same size. If the same unordered pair (qvar1_index, qvar2_index) appears several times, the sum of all of the associated coefficients will be applied.
repeated int32 qvar1_index = 3;
index | The index of the element to return. |
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 210 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar1IndexCount | ( | ) |
Sparse representation of quadratic terms in the quadratic constraint, where term i is qvar1_index[i] * qvar2_index[i] * qcoefficient[i]. `qvar1_index` and `qvar2_index` are variable indices w.r.t the "variable" field in MPModelProto. `qvar1_index`, `qvar2_index` and `coefficients` must have the same size. If the same unordered pair (qvar1_index, qvar2_index) appears several times, the sum of all of the associated coefficients will be applied.
repeated int32 qvar1_index = 3;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 192 of file MPQuadraticConstraint.java.
java.util.List< java.lang.Integer > com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar1IndexList | ( | ) |
Sparse representation of quadratic terms in the quadratic constraint, where term i is qvar1_index[i] * qvar2_index[i] * qcoefficient[i]. `qvar1_index` and `qvar2_index` are variable indices w.r.t the "variable" field in MPModelProto. `qvar1_index`, `qvar2_index` and `coefficients` must have the same size. If the same unordered pair (qvar1_index, qvar2_index) appears several times, the sum of all of the associated coefficients will be applied.
repeated int32 qvar1_index = 3;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 175 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar2Index | ( | int | index | ) |
repeated int32 qvar2_index = 4;
index | The index of the element to return. |
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 239 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar2IndexCount | ( | ) |
repeated int32 qvar2_index = 4;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 231 of file MPQuadraticConstraint.java.
java.util.List< java.lang.Integer > com.google.ortools.linearsolver.MPQuadraticConstraint.getQvar2IndexList | ( | ) |
repeated int32 qvar2_index = 4;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 224 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getSerializedSize | ( | ) |
Definition at line 369 of file MPQuadraticConstraint.java.
double com.google.ortools.linearsolver.MPQuadraticConstraint.getUpperBound | ( | ) |
optional double upper_bound = 7 [default = inf];
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 326 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getVarIndex | ( | int | index | ) |
Sparse representation of linear terms in the quadratic constraint, where term i is var_index[i] * coefficient[i]. `var_index` are variable indices w.r.t the "variable" field in MPModelProto, and should be unique.
repeated int32 var_index = 1;
index | The index of the element to return. |
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 110 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.getVarIndexCount | ( | ) |
Sparse representation of linear terms in the quadratic constraint, where term i is var_index[i] * coefficient[i]. `var_index` are variable indices w.r.t the "variable" field in MPModelProto, and should be unique.
repeated int32 var_index = 1;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 95 of file MPQuadraticConstraint.java.
java.util.List< java.lang.Integer > com.google.ortools.linearsolver.MPQuadraticConstraint.getVarIndexList | ( | ) |
Sparse representation of linear terms in the quadratic constraint, where term i is var_index[i] * coefficient[i]. `var_index` are variable indices w.r.t the "variable" field in MPModelProto, and should be unique.
repeated int32 var_index = 1;
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 81 of file MPQuadraticConstraint.java.
int com.google.ortools.linearsolver.MPQuadraticConstraint.hashCode | ( | ) |
Definition at line 463 of file MPQuadraticConstraint.java.
boolean com.google.ortools.linearsolver.MPQuadraticConstraint.hasLowerBound | ( | ) |
lower_bound must be <= upper_bound.
optional double lower_bound = 6 [default = -inf];
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 295 of file MPQuadraticConstraint.java.
boolean com.google.ortools.linearsolver.MPQuadraticConstraint.hasUpperBound | ( | ) |
optional double upper_bound = 7 [default = inf];
Implements com.google.ortools.linearsolver.MPQuadraticConstraintOrBuilder.
Definition at line 318 of file MPQuadraticConstraint.java.
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Definition at line 57 of file MPQuadraticConstraint.java.
final boolean com.google.ortools.linearsolver.MPQuadraticConstraint.isInitialized | ( | ) |
Definition at line 332 of file MPQuadraticConstraint.java.
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Definition at line 578 of file MPQuadraticConstraint.java.
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Definition at line 581 of file MPQuadraticConstraint.java.
Builder com.google.ortools.linearsolver.MPQuadraticConstraint.newBuilderForType | ( | ) |
Definition at line 577 of file MPQuadraticConstraint.java.
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Definition at line 591 of file MPQuadraticConstraint.java.
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Definition at line 549 of file MPQuadraticConstraint.java.
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Definition at line 555 of file MPQuadraticConstraint.java.
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Definition at line 526 of file MPQuadraticConstraint.java.
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Definition at line 530 of file MPQuadraticConstraint.java.
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Definition at line 515 of file MPQuadraticConstraint.java.
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Definition at line 520 of file MPQuadraticConstraint.java.
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Definition at line 562 of file MPQuadraticConstraint.java.
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Definition at line 568 of file MPQuadraticConstraint.java.
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Definition at line 536 of file MPQuadraticConstraint.java.
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Definition at line 541 of file MPQuadraticConstraint.java.
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Definition at line 504 of file MPQuadraticConstraint.java.
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Definition at line 509 of file MPQuadraticConstraint.java.
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Definition at line 1658 of file MPQuadraticConstraint.java.
Builder com.google.ortools.linearsolver.MPQuadraticConstraint.toBuilder | ( | ) |
Definition at line 585 of file MPQuadraticConstraint.java.
void com.google.ortools.linearsolver.MPQuadraticConstraint.writeTo | ( | com.google.protobuf.CodedOutputStream | output | ) | throws java.io.IOException |
Definition at line 342 of file MPQuadraticConstraint.java.
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Definition at line 114 of file MPQuadraticConstraint.java.
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Definition at line 284 of file MPQuadraticConstraint.java.
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Definition at line 243 of file MPQuadraticConstraint.java.
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Definition at line 155 of file MPQuadraticConstraint.java.
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Definition at line 214 of file MPQuadraticConstraint.java.
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Definition at line 311 of file MPQuadraticConstraint.java.
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Definition at line 64 of file MPQuadraticConstraint.java.