direct computation
[/dəˈrɛkt kɒmpjuˈteɪʃən/]
nounpl: direct computations
computação direta
1. A method of calculation or problem-solving that involves straightforward, step-by-step arithmetic or algorithmic procedures without using approximations, iterations, or indirect methods
The direct computation of the matrix inverse is more efficient than using iterative algorithms for small matrices.
A computação direta da inversa da matriz é mais eficiente do que usar algoritmos iterativos para matrizes pequenas.
2. In mathematics and computer science, an explicit calculation that yields an exact result by applying formulas or procedures directly to the input data
Direct computation of the Fourier transform provides exact results, unlike the fast Fourier transform approximation.
A computação direta da transformada de Fourier fornece resultados exatos, diferentemente da aproximação da transformada rápida de Fourier.
3. A numerical approach that solves a problem by immediate calculation rather than through simulation or modeling
Engineers prefer direct computation for critical structural calculations where precision is essential.
Engenheiros preferem a computação direta para cálculos estruturais críticos onde a precisão é essencial.
Direct computation is a fundamental concept in both American and Brazilian computer science and mathematics education. In Brazil, this term is commonly used in engineering departments (particularly in São Paulo and Rio de Janeiro) and in computer science curricula. It represents a preference for exact, transparent calculations in academic and professional settings where accuracy and verifiability are critical, such as in aerospace, civil engineering, and financial mathematics.
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