Periodic variation can work in tandem with a changing mean. Think of a sine wave...

		cowmoo728 on May 9, 2022 \| parent \| context \| favorite \| on: U.S. takes unprecedented steps to replenish Colora... Periodic variation can work in tandem with a changing mean. Think of a sine wave multiplied with a line of non-zero slope.

“resonance” or x sin x