Is learning_rate not the same as eta which is the weight of each tree?

Is learning_rate not the same as eta which is the weight of each tree?

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Is learning_rate not the same as eta which is the weight of each tree? prediction(X) = eta*tree1(X) + eta*tree2(X) + eta*tree3(X)

Is learning_rate not the same as eta which is the weight of each tree? prediction(X) = eta*tree1(X) + eta*tree2(X) + eta*tree3(X)