Eksempler på brug af Numerisk løsning på Dansk og deres oversættelser til Engelsk
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Tag Archives: numerisk løsning.
En omtrentlig numerisk løsning blev derefter fundet ved interpolation i trigonometriske tabeller.
An approximate numerical solution was then found by interpolation in trigonometric tables.Det spørgsmål kræver en numerisk løsning.
The questions call for a numerical answer.Analytisk og numerisk løsning af ligning, ulighed eller ligningssystem.
Analytical og numeric solving of equation, inequalities and systems of equations.Lad os bygge det system af ligninger for numerisk løsning af problemet 1.
Let us build the system of equations for numerical solution of problem 1.Han udarbejdede en praktisk numerisk løsning af Mercator problem, sandsynligvis ved tilsætning af secants.
He produced a practical numerical solution of the Mercator problem, most probably by the addition of secants.Det blev foreslået, fordi det ikke ville have de samme begrænsninger for størrelsen af den tidsperiode i numerisk løsning at KdV har.
It was proposed because it would not have the same limitations for the size of the time step in numerical solution that the KdV has.Der er dog arbejde i gang om numerisk løsning af lineære ligninger med flere ubekendte ved hjælp af elektriske kredsløb.
There is, however, work in progress concerning the numerical solution of linear equations with several unknowns using electrical circuits.I ovenstående artikel analyserede vi tilgangen i beregningen af grundvandsstrømmen,baseret på numerisk løsning af Darcy ligningen.
In the above article we analyzed the approach of the computation of the groundwater flow,based on the numerical solution of the Darcy equation.En af de metoder til numerisk løsning af matematiske fysik ligninger er tilgangen, baseret på finite forskel tilnærmelse.
One of the methods for numerical solutions of mathematical physics equations is the approach, based on the finite difference approximation.Men krigen var afsluttet, inden maskinen kom i brug, mendet var stadig anvendes til numerisk løsning af differentialligninger som tilsigtet.
However the war had ended before the machine came into service butit was still used for the numerical solution of differential equations as intended.Richardson's metode gav en numerisk løsning, som var meget nem at beregne, men desværre var numerisk ustabil og dermed ubrugelige.
Richardson 's method yielded a numerical solution which was very easy to compute, but alas was numerically unstable and thus useless.Dette indlæg blev udgivet i Matematiske noter og mærkede alternative retninger implicitte metode,Douglas-Rachford ordningen, numerisk løsning, partielle differentialligninger, Peaceman-Rachford ADI-ordningen.
This entry was posted in Mathematical notes and tagged alternate directions implicit method,Douglas-Rachford scheme, numerical solution, partial differential equations, Peaceman-Rachford ADI-scheme.ПIn numerisk løsning af ikke-stationære problemer, den tid, trin vælges i henhold til den numeriske stabilitet ordningen kriterium.
ПIn the numerical solution of non-stationary problems, the time step is selected according to the Han arbejdede hovedsagelig på interpolation og numerisk løsninger til differentialligninger, hvor han opnåede meget effektiv formler for fejl.
He worked mainly on interpolation and numerical solutions to differential equations, where he obtained very effective formulae for the errors.Numerisk løsning af problemet blev gennemført i Frost 3D Universal software, med en beregningsmæssige masker 58.5 million knuder, at forudsige jorden tø under påvirkning af rørledningen.
Numerical solution of the problem was implemented in Frost 3D Universal software, with a computational mesh of 58.5 million nodes, to predict ground thaw under the influence of the pipeline.ADI(alternative retninger implicitte)Metoden er udbredt til numerisk løsning af multidimensional parabolsk PDE partielle differentialligninger.
The ADI(alternate directions implicit)method is widely used for the numerical solution of multidimensional parabolic PDE partial differential equations.For eksempel, til numerisk løsning af et varmeledningsproblem via finite forskel tilnærmelse metode, udvælgelseskriterium af tiden trin har følgende form.
For example, for the numerical solution of a heat conduction problem via the finite difference approximation method, the selection criterion of the time step has the following form.En af de enkleste sådanne udskiftninger blev foreslået af LF Richardson i 1910.Richardson's metode gav en numerisk løsning, som var meget nem at beregne, men desværre var numerisk ustabil og dermed ubrugelige.
One of the simplest such replacements was proposed by L F Richardson in 1910.Richardson 's method yielded a numerical solution which was very easy to compute, but alas was numerically unstable and thus useless.Det var designet til den specifikke opgave at udarbejde tabeller for de vækstrater for både bomber og granater til at overtage de beregninger, som McNULTY og omkring 75 andre kvinder blev udfører. Men krigen var afsluttet, inden maskinen kom i brug, mendet var stadig anvendes til numerisk løsning af differentialligninger som tilsigtet.
It was designed for the specific task of compiling tables for the trajectories of bombs and shells to take over the calculations which McNulty and about 75 other women were carrying out. However the war had ended before the machine came into service butit was still used for the numerical solution of differential equations as intended.Et andet samarbejde mellem Fox ogMayers ført til Numerisk løsning af ordinære differentialligninger offentliggjort i 1987, fire år efter Fox pensioneret.
Another collaboration between Fox andMayers led to Numerical solution of ordinary differential equations published in 1987, four years after Fox retired.Først forklarer han logikken bag problemet, dels at han giver en numerisk løsning på problemet, og for det tredje at han viser, hvordan den metode, han har fremlagt kan ændres for at løse tilsvarende problemer.
Firstly he explains the logic behind the problem, secondly he gives a numerical solution to the problem, and thirdly he shows how the method he has presented can be modified to solve similar problems.Han studerede numeriske løsninger til steady-flow laminar boundary-layer ligninger i 1930.
He studied numerical solutions to steady-flow laminar boundary-layer equations in 1930.For eksempel i 1948, hun studerede numeriske løsninger af en delvis differentieret ligning på et bratte delvis differentieret ligning der opstår i teorien om filtrering.
For example in 1948 she studied numerical solutions of a partial differential equation in On a nonlinear partial differential equation arising in the theory of filtration.I dette papir kriterier er givet til bestemmelse vilkår, der skal sikre stabiliteten af numeriske løsninger af visse klasser af differentialligninger.
In this paper criteria are given for determining conditions which guarantee the stability of numerical solutions of certain classes of differential equations.Hans institut blev hurtigt et center for forskning i områder som sandsynlighed,statistik, numeriske løsninger af differentialligninger, elasticitet og aerodynamik.
His Institute rapidly became a centre for research into areas such as probability,statistics, numerical solutions of differential equations, elasticity and aerodynamics.I simulering af fysiske processer ogfænomener samlet er der et problem af numeriske løsninger af differentierede problemer partielle afledede.
In the simulation of physical processes andphenomena overall there is a problem of numerical solutions of differential problems in partial derivatives.På Massachusetts Institute of Technology han også arbejdet på forskellen analysator,en tidlig form for mekanisk computer udviklet af Vannevar Bush for at få numeriske løsninger på ordinære differentialligninger.
At the Massachusetts Institute of Technology he also worked on the differential analyser,an early type of mechanical computer developed by Vannevar Bush for obtaining numerical solutions to ordinary differential equations.På Massachusetts Institute of Technology han også arbejdet på forskellen analysator,en tidlig form for mekanisk computer udviklet af Vannevar Bush for at få numeriske løsninger på ordinære differentialligninger. Shannon offentliggjort Matematisk teori af forskellen analysator i 1941.
At the Massachusetts Institute of Technology he also worked on the differential analyser,an early type of mechanical computer developed by Vannevar Bush for obtaining numerical solutions to ordinary differential equations. Shannon published Mathematical theory of the differential analyzer in 1941.En årsag, måske, for den relative forsømmelse af denne delaf Coulomb's arbejde var, at han forsøgte at demonstrere brugen af variational calculus i forbindelse med udformningen af metoder til behandling af grundlæggende problemer med strukturel mekanik snarere end at give numeriske løsninger på specifikke problemer.
A reason, perhaps,for the relative neglect of this portion of Coulomb's work was that he sought to demonstrate the use of variational calculus in formulating methods of approach to fundamental problems in structural mechanics rather than to give numerical solutions to specific problems.
