--- title: nodes (latest version) description: API reference for samplomatic.samplex.nodes in the latest version of samplomatic source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/samplomatic/samplex-nodes --- # samplomatic.samplex.nodes ## Classes | | | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [`ChangeBasisNode`](/docs/api/samplomatic/auto/samplex-nodes-change-basis-node "samplomatic.samplex.nodes.ChangeBasisNode")(register\_name, basis\_change, ...) | A node that instantiates a basis changing virtual register for a given measurement. | | [`CollectTemplateValues`](/docs/api/samplomatic/auto/samplex-nodes-collect-template-values "samplomatic.samplex.nodes.CollectTemplateValues")(template\_params\_name, ...) | Collects a register slice and writes corresponding template values to output. | | [`CollectZ2ToOutputNode`](/docs/api/samplomatic/auto/samplex-nodes-collect-z-2-to-output-node "samplomatic.samplex.nodes.CollectZ2ToOutputNode")(register\_name, ...) | Reads from [`Z2Register`](/docs/api/samplomatic/auto/virtual-registers-z-2-register "samplomatic.virtual_registers.Z2Register")s and writes to [`SamplexOutput`](/docs/api/samplomatic/auto/samplex-samplex-output "samplomatic.samplex.SamplexOutput"). | | [`CollectionNode`](/docs/api/samplomatic/auto/samplex-nodes-collection-node "samplomatic.samplex.nodes.CollectionNode")() | A node that collects register state for return. | | [`CombineRegistersNode`](/docs/api/samplomatic/auto/samplex-nodes-combine-registers-node "samplomatic.samplex.nodes.CombineRegistersNode")(output\_type, ...) | Composes one or more registers into a new register. | | [`ConversionNode`](/docs/api/samplomatic/auto/samplex-nodes-conversion-node "samplomatic.samplex.nodes.ConversionNode")(existing\_name, existing\_type, ...) | Converts a node from one type to another. | | [`DistributionSamplingNode`](/docs/api/samplomatic/auto/samplex-nodes-distribution-sampling-node "samplomatic.samplex.nodes.DistributionSamplingNode")(register\_name, ...) | A node that produces samples from a distribution. | | [`EvaluationNode`](/docs/api/samplomatic/auto/samplex-nodes-evaluation-node "samplomatic.samplex.nodes.EvaluationNode")() | A node that evaluates on an existing register state. | | [`InjectNoiseNode`](/docs/api/samplomatic/auto/samplex-nodes-inject-noise-node "samplomatic.samplex.nodes.InjectNoiseNode")(register\_name, ...\[, ...]) | A node that produces samples for injecting noise. | | [`LeftMultiplicationNode`](/docs/api/samplomatic/auto/samplex-nodes-left-multiplication-node "samplomatic.samplex.nodes.LeftMultiplicationNode")(operand, register\_name) | Perform left multiplication of a fixed register against a given register. | | [`LeftU2ParametricMultiplicationNode`](/docs/api/samplomatic/auto/samplex-nodes-left-u-2-parametric-multiplication-node "samplomatic.samplex.nodes.LeftU2ParametricMultiplicationNode")(operand, ...) | Perform parametric left multiplication on a [`U2Register`](/docs/api/samplomatic/auto/virtual-registers-u-2-register "samplomatic.virtual_registers.U2Register"). | | [`Node`](/docs/api/samplomatic/auto/samplex-nodes-node "samplomatic.samplex.nodes.Node")() | Parent class for samplex node operations. | | [`PauliPastCliffordNode`](/docs/api/samplomatic/auto/samplex-nodes-pauli-past-clifford-node "samplomatic.samplex.nodes.PauliPastCliffordNode")(op\_name, ...\[, ...]) | A node that propagates a Pauli register past a Clifford gate. | | [`PropagateLocalC1Node`](/docs/api/samplomatic/auto/samplex-nodes-propagate-local-c-1-node "samplomatic.samplex.nodes.PropagateLocalC1Node")(op\_name, register\_name, ...) | A node that propagates a C1 register past a gate. | | [`PropagateLocalPauliNode`](/docs/api/samplomatic/auto/samplex-nodes-propagate-local-pauli-node "samplomatic.samplex.nodes.PropagateLocalPauliNode")(op\_name, ...\[, ...]) | A node that propagates a Pauli register past a gate. | | [`RightMultiplicationNode`](/docs/api/samplomatic/auto/samplex-nodes-right-multiplication-node "samplomatic.samplex.nodes.RightMultiplicationNode")(operand, register\_name) | Perform right multiplication of a fixed register against a given register. | | [`RightU2ParametricMultiplicationNode`](/docs/api/samplomatic/auto/samplex-nodes-right-u-2-parametric-multiplication-node "samplomatic.samplex.nodes.RightU2ParametricMultiplicationNode")(operand, ...) | Perform parametric right multiplication on a [`U2Register`](/docs/api/samplomatic/auto/virtual-registers-u-2-register "samplomatic.virtual_registers.U2Register"). | | [`SamplingNode`](/docs/api/samplomatic/auto/samplex-nodes-sampling-node "samplomatic.samplex.nodes.SamplingNode")() | A node that produces samples. | | [`SliceRegisterNode`](/docs/api/samplomatic/auto/samplex-nodes-slice-register-node "samplomatic.samplex.nodes.SliceRegisterNode")(input\_type, output\_type, ...) | A node to slice a register. | | [`TwirlSamplingNode`](/docs/api/samplomatic/auto/samplex-nodes-twirl-sampling-node "samplomatic.samplex.nodes.TwirlSamplingNode")(lhs\_register\_name, ...) | A node that produces samples for twirling. | | [`U2ParametricMultiplicationNode`](/docs/api/samplomatic/auto/samplex-nodes-u-2-parametric-multiplication-node "samplomatic.samplex.nodes.U2ParametricMultiplicationNode")(operand, ...) | Abstract parent node for nodes doing multiplication on a [`U2Register`](/docs/api/samplomatic/auto/virtual-registers-u-2-register "samplomatic.virtual_registers.U2Register"). | ## Class Inheritance Diagram ![Inheritance diagram of samplomatic.samplex.nodes.change\_basis\_node.ChangeBasisNode, samplomatic.samplex.nodes.collect\_template\_values.CollectTemplateValues, samplomatic.samplex.nodes.collect\_z2\_to\_output\_node.CollectZ2ToOutputNode, samplomatic.samplex.nodes.collection\_node.CollectionNode, samplomatic.samplex.nodes.combine\_registers\_node.CombineRegistersNode, samplomatic.samplex.nodes.conversion\_node.ConversionNode, samplomatic.samplex.nodes.distribution\_sampling\_node.DistributionSamplingNode, samplomatic.samplex.nodes.evaluation\_node.EvaluationNode, samplomatic.samplex.nodes.inject\_noise\_node.InjectNoiseNode, samplomatic.samplex.nodes.multiplication\_node.LeftMultiplicationNode, samplomatic.samplex.nodes.u2\_param\_multiplication\_node.LeftU2ParametricMultiplicationNode, samplomatic.samplex.nodes.node.Node, samplomatic.samplex.nodes.pauli\_past\_clifford\_node.PauliPastCliffordNode, samplomatic.samplex.nodes.propagate\_local\_c1\_node.PropagateLocalC1Node, samplomatic.samplex.nodes.propagate\_local\_pauli\_node.PropagateLocalPauliNode, samplomatic.samplex.nodes.multiplication\_node.RightMultiplicationNode, samplomatic.samplex.nodes.u2\_param\_multiplication\_node.RightU2ParametricMultiplicationNode, samplomatic.samplex.nodes.sampling\_node.SamplingNode, samplomatic.samplex.nodes.slice\_register\_node.SliceRegisterNode, samplomatic.samplex.nodes.twirl\_sampling\_node.TwirlSamplingNode, samplomatic.samplex.nodes.u2\_param\_multiplication\_node.U2ParametricMultiplicationNode](https://eu-de.quantum.cloud.ibm.com/docs/images/api/samplomatic/inheritance-3e1d09b212748922ef1e5c880c17ebc1921773e0.avif)