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http://dbpedia.org/ontology/abstract In mathematics, the Laplace transform is aIn mathematics, the Laplace transform is a powerful integral transform used to switch a function from the time domain to the s-domain. The Laplace transform can be used in some cases to solve linear differential equations with given initial conditions. First consider the following property of the Laplace transform: One can prove by induction that Now we consider the following differential equation: with given initial conditions Using the linearity of the Laplace transform it is equivalent to rewrite the equation as obtaining Solving the equation for and substituting with one obtains The solution for f(t) is obtained by applying the inverse Laplace transform to Note that if the initial conditions are all zero, i.e. then the formula simplifies to zero, i.e. then the formula simplifies to , Laplacetransformen ersätter differentialekLaplacetransformen ersätter differentialekvationer med algebraiska ekvationer och används för att lösa differentialekvationer med begynnelsevärden, utan att först behöva bestämma en allmän lösning och därefter använda begynnelsevärdena för att få fram den önskade lösningen. Detta är speciellt värdefullt när problemet är diskontinuerligt, och varje intervall måste behandlas för sig. I Laplacetransformens algebraiska ekvation blir istället varje intervall en term i ekvationen.llet varje intervall en term i ekvationen. , Uma equação diferencial ordinária é uma eqUma equação diferencial ordinária é uma equação que envolve uma função de uma variável e suas derivadas ... Equações diferenciais são geralmente complementadas com condições iniciais e são assim chamada problemas de valor inicial. A transformada de Laplace fornece uma metodologia para resolver e analisar problemas envolvendo equações diferenciais ordinárias. O método consiste em utilizar a transformada de Laplace para converter a equação diferencial em um problema de menor complexidade, através das propriedades da transformada de Laplace. Tipicamente, uma equação linear de coeficientes constantes é transformada em equação algébrica, na qual deve-se basicamente isolar a incógnita obtida e recuperar a solução da equação original via transformada inversa de Laplace. Deve-se ter em mente que, para a aplicação da transformada de Laplace em equações diferenciais, é necessário que exista sensibilidade, ou conhecimento, sobre suas diversas propriedades.cimento, sobre suas diversas propriedades. , Dans la résolution des équations différentDans la résolution des équations différentielles linéaires à coefficients constants, les propriétés de la transformation de Laplace, concernant la linéarité et la transformée de la dérivée, offrent un moyen de résoudre certaines d'entre elles. Cette technique est un outil pratique pour les ingénieurs.est un outil pratique pour les ingénieurs.
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rdfs:comment Uma equação diferencial ordinária é uma eqUma equação diferencial ordinária é uma equação que envolve uma função de uma variável e suas derivadas ... Equações diferenciais são geralmente complementadas com condições iniciais e são assim chamada problemas de valor inicial. A transformada de Laplace fornece uma metodologia para resolver e analisar problemas envolvendo equações diferenciais ordinárias. O método consiste em utilizar a transformada de Laplace para converter a equação diferencial em um problema de menor complexidade, através das propriedades da transformada de Laplace. Tipicamente, uma equação linear de coeficientes constantes é transformada em equação algébrica, na qual deve-se basicamente isolar a incógnita obtida e recuperar a solução da equação original via transformada inversa de Laplace.ginal via transformada inversa de Laplace. , Dans la résolution des équations différentDans la résolution des équations différentielles linéaires à coefficients constants, les propriétés de la transformation de Laplace, concernant la linéarité et la transformée de la dérivée, offrent un moyen de résoudre certaines d'entre elles. Cette technique est un outil pratique pour les ingénieurs.est un outil pratique pour les ingénieurs. , Laplacetransformen ersätter differentialekLaplacetransformen ersätter differentialekvationer med algebraiska ekvationer och används för att lösa differentialekvationer med begynnelsevärden, utan att först behöva bestämma en allmän lösning och därefter använda begynnelsevärdena för att få fram den önskade lösningen. Detta är speciellt värdefullt när problemet är diskontinuerligt, och varje intervall måste behandlas för sig. I Laplacetransformens algebraiska ekvation blir istället varje intervall en term i ekvationen.llet varje intervall en term i ekvationen. , In mathematics, the Laplace transform is aIn mathematics, the Laplace transform is a powerful integral transform used to switch a function from the time domain to the s-domain. The Laplace transform can be used in some cases to solve linear differential equations with given initial conditions. First consider the following property of the Laplace transform: One can prove by induction that Now we consider the following differential equation: with given initial conditions Using the linearity of the Laplace transform it is equivalent to rewrite the equation as obtaining Solving the equation for and substituting with one obtainstion for and substituting with one obtains
rdfs:label Método das transformadas de Laplace para resolver equações diferencais , Application de la transformée de Laplace aux équations différentielles , Laplace transform applied to differential equations , Laplacetransformen av differentialekvationer
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