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  2. Burst error-correcting code - Wikipedia

    en.wikipedia.org/wiki/Burst_error-correcting_code

    Proof. We need to prove that if you add a burst of length to a codeword (i.e. to a polynomial that is divisible by ()), then the result is not going to be a codeword (i.e. the corresponding polynomial is not divisible by ()).

  3. Augmented Lagrangian method - Wikipedia

    en.wikipedia.org/wiki/Augmented_Lagrangian_method

    Augmented Lagrangian methods are a certain class of algorithms for solving constrained optimization problems. They have similarities to penalty methods in that they replace a constrained optimization problem by a series of unconstrained problems and add a penalty term to the objective, but the augmented Lagrangian method adds yet another term designed to mimic a Lagrange multiplier.

  4. open (system call) - Wikipedia

    en.wikipedia.org/wiki/Open_(system_call)

    O_APPEND data written will be appended to the end of the file. The file operations will always adjust the position pointer to the end of the file. O_CREAT Create the file if it does not exist; otherwise the open fails setting errno to ENOENT. O_EXCL Used with O_CREAT if the file already exists, then fail, setting errno to EEXIST.

  5. Lagrange multiplier - Wikipedia

    en.wikipedia.org/wiki/Lagrange_multiplier

    The Lagrange multiplier theorem states that at any local maximum (or minimum) of the function evaluated under the equality constraints, if constraint qualification applies (explained below), then the gradient of the function (at that point) can be expressed as a linear combination of the gradients of the constraints (at that point), with the ...

  6. Talk:Reed–Solomon error correction - Wikipedia

    en.wikipedia.org/wiki/Talk:Reed–Solomon_error...

    I found a web site with a pdf file by David Canright that optimizes the greedy algorithm by grinding through a large number of possible mapping implementations to find minimal gate count A_Very_CompactS-box_for_AES.pdf. My program failed to map any GF(2 8) with α ≠ 1x+0. The apparent issue may be that my program restricts the mapping matrix ...

  7. Lambda calculus - Wikipedia

    en.wikipedia.org/wiki/Lambda_calculus

    In typed lambda calculus, functions can be applied only if they are capable of accepting the given input's "type" of data. Typed lambda calculi are strictly weaker than the untyped lambda calculus, which is the primary subject of this article, in the sense that typed lambda calculi can express less than the untyped calculus can. On the other ...

  8. Trump complains that US flags will be half-staff on his ...

    www.aol.com/news/trump-complains-us-flags-half...

    President-elect Donald Trump complained on Friday that American flags would still be lowered to half-staff in honor of the late President Jimmy Carter during Trump's Jan. 20 inauguration.

  9. Constraint (computational chemistry) - Wikipedia

    en.wikipedia.org/wiki/Constraint_(computational...

    However, explicit constraint forces give rise to inefficiency; more computational power is required to get a trajectory of a given length. Therefore, internal coordinates and implicit-force constraint solvers are generally preferred. Constraint algorithms achieve computational efficiency by neglecting motion along some degrees of freedom.