The mechanism for the large supporting force of the artificial legs was theoretically explained by a numerical model.

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Fire forecasters do the same, but as well as simulating the goings-on in the atmosphere, they also add a second numerical model to simulate the fire on the ground.

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Using a standardized measure, the model spits out a numerical ranking of volatility so investors can make apples-to-apples comparisons.

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If someone does some processing of numerical or other data to decide where and when to put his money, then he is using a financial model.

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