computational instability

[/ˌkɒmpjuːˈteɪʃənəl ɪnˈsteɪbɪləti/]
nounfemininepl: computational instabilities / instabilidades computacionais
instabilidade computacional
1. A condition in numerical computing where small errors or perturbations in input data or intermediate calculations are amplified during the computational process, leading to inaccurate or unreliable results.
The numerical method suffered from computational instability when solving the differential equation with a large step size.
O método numérico sofreu com instabilidade computacional ao resolver a equação diferencial com um tamanho de passo grande.
2. The tendency of a computational algorithm or system to produce divergent, oscillating, or erratic behavior due to accumulated rounding errors or algorithmic design flaws.
Engineers had to reformulate their algorithm to avoid computational instability during the iterative process.
Os engenheiros tiveram que reformular seu algoritmo para evitar instabilidade computacional durante o processo iterativo.
This is a specialized technical term primarily used in academia, software engineering, and scientific computing fields in both Brazil and the USA. It reflects the importance of numerical precision in computational science and is a critical concern in fields like climate modeling, financial computing, and engineering simulations. The term is language-agnostic in technical communities.
Synonyms / Sinônimos
numerical instabilityalgorithmic instabilityrounding error accumulationnumerical divergencecomputational unreliability
Antonyms / Antônimos
computational stabilitynumerical stabilityalgorithmic robustnessconvergencecomputational reliability

Regional Variations

General Brazilian
instabilidade computacional
Standard term used in academic and technical contexts across Brazil
São Paulo
instabilidade computacional / instabilidade numérica
Both terms are commonly used in tech hubs and universities
Rio de Janeiro
instabilidade computacional
Standard usage in engineering and research institutions
Portugal
instabilidade computacional
Used identically to Brazilian Portuguese; sometimes 'instabilidade numérica' preferred in certain academic circles

Related Words

convergencenumerical analysisfloating-point arithmeticerror propagationcondition numberalgorithm stabilityround-off errorill-conditioned problem

Related Idioms & Phrases

to combat computational instability
to mitigate numerical instability
instability cascades
error amplification
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