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Precision = T P T P + F P = 8 8 + 2 = 0.8. Recall measures the percentage of actual spam emails that were correctly classified—that is, the percentage of green dots that are to the right of the threshold line in Figure 1: Recall = T P T P + F N = 8 8 + 3 = 0.73. Figure 2 illustrates the effect of increasing the classification threshold. Figure 2.

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Strain Energy Formula: Strain energy is defined as the energy stored in any material due to deformation.When a deformable structure, such as rubber, spring, metals, etc., stretches, then it stores a type of energy called strain energy.

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Resonant Frequency Formula: Definition, Concepts and Examples

Resonance is an important concept in oscillatory motion. The resonant frequency is the characteristic frequency of a body or a system that reaches the maximum degree of oscillation. In this article, we will discuss the resonant frequency formula with examples. Let us begin an interesting topic!

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Exponents and Powers: Rules, Formulas, Examples, Applications

Rule 3: The law of the power of a power. This law implies that we need to multiply the powers in case an exponential number is raised to another power. The general form of this law is (am)n = am × n. Rule 4: The law of multiplication of powers with …

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US blocks export of quantum computing tech to Chinese organizations. Quantum computers could crack government communications and make the US military's jets and submarines more vulnerable, the ...