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BELLMAN OPTIMAL STEP-SIZE STRAIGHTENING OF�FLOW-MATCHING MODELS

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source node

noise

sink node

image

 

 

 

 

 

 

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Bellman

-Euler

(ours)

Uniform

-Euler

Bellman

-Heun2

(ours)

Uniform

-Heun2

 

 

 

 

RK-45

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time

 

 

 

 

 

 

 

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