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  2. Proof by exhaustion - Wikipedia

    en.wikipedia.org/wiki/Proof_by_exhaustion

    Proof by exhaustion, also known as proof by cases, proof by case analysis, complete induction or the brute force method, is a method of mathematical proof in which the statement to be proved is split into a finite number of cases or sets of equivalent cases, and where each type of case is checked to see if the proposition in question holds. [1]

  3. Reinforcement learning - Wikipedia

    en.wikipedia.org/wiki/Reinforcement_learning

    The brute force approach entails two steps: For each possible policy, sample returns while following it; Choose the policy with the largest expected discounted return; One problem with this is that the number of policies can be large, or even infinite.

  4. Brute-force search - Wikipedia

    en.wikipedia.org/wiki/Brute-force_search

    Brute force attacks can be made less effective by obfuscating the data to be encoded, something that makes it more difficult for an attacker to recognise when he has cracked the code. One of the measures of the strength of an encryption system is how long it would theoretically take an attacker to mount a successful brute force attack against it.

  5. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    A different approach which also uses backtracking, draws from the fact that in the solution to a standard sudoku the distribution for every individual symbol (value) must be one of only 46656 patterns. In manual sudoku solving this technique is referred to as pattern overlay or using templates and is confined to filling in the last values only.

  6. Direct stiffness method - Wikipedia

    en.wikipedia.org/wiki/Direct_stiffness_method

    After inserting the known value for each degree of freedom, the master stiffness equation is complete and ready to be evaluated. There are several different methods available for evaluating a matrix equation including but not limited to Cholesky decomposition and the brute force evaluation of systems of equations. If a structure isn’t ...

  7. Correlation attack - Wikipedia

    en.wikipedia.org/wiki/Correlation_attack

    For realistic values, it is a very substantial saving and can make brute-force attacks very practical. Observe in the table above that x 2 {\displaystyle x_{2}} also agrees with the generator output 6 times out of 8, again a correlation of 75% correlation between x 2 {\displaystyle x_{2}} and the generator output.

  8. Numerical analysis - Wikipedia

    en.wikipedia.org/wiki/Numerical_analysis

    The field of numerical analysis predates the invention of modern computers by many centuries. Linear interpolation was already in use more than 2000 years ago. Many great mathematicians of the past were preoccupied by numerical analysis, [5] as is obvious from the names of important algorithms like Newton's method, Lagrange interpolation polynomial, Gaussian elimination, or Euler's method.

  9. Birthday attack - Wikipedia

    en.wikipedia.org/wiki/Birthday_attack

    If these are all equally probable (the best case), then it would take 'only' approximately 5 billion attempts (5.38 × 10 9) to generate a collision using brute force. [8] This value is called birthday bound [9] and it could be approximated as 2 l/2, where l is the number of bits in H. [10] Other examples are as follows:

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