How do I calculate the power cycle in cases where there are multiple temperature rise peaks?

In cases where the temperature increases n-times per device operation cycle, we assign a power cycle life expectance count as PC(k=1, 2, 3, …, n). PC(k) is the power cycle life for the k-th temperature rise. A combined power cycle life expectancy count can be expressed by the formula below.
For details, refer to Application Manual Chapter 11.

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