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Differential Equation Solver

Tool/solver for resolving differential equations (eg resolution for first degree or second degree) according to a function name and a variable.

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Differential Equation Solver -

Tag(s) : Functions, Symbolic Computation

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Differential Equation Solver

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Differential Equation Calculator

Please, respect the syntax (see questions)






Answers to Questions (FAQ)

How to calculate a differential equation on dCode?

The equation must follow a strict syntax to get a solution in the differential equation solver:

- Use ' to represent the derivative of order 1, ' ' for the derivative of order 2, ' ' ' for the derivative of order 3, etc.

Example: f' + f = 0

- Do not indicate the variable to derive in the diffequation.

Example: f(x) is noted f and the variable x must be specified in the variable input.

Example: $ f' + f = 1 \Rightarrow f(x) = c_1 e^{-x}+1 $ with $ c_1 $ a constant

- Only the function is differentiable and not a combination of function

Example: (1/f)' is invalid but 1/(f') is correct

What is a differential equation? (definition)

A differential equation (or diffeq) is an equation that relates an unknown function to its derivatives (of order n).

Example: g'' + g = 1

There are homogeneous and particular solution equations, nonlinear equations, first-order, second-order, third-order, and many other equations.

How to add initial values/conditions?

It is possible to add one or more initial conditions in the corresponding box by adding the logical operator && between 2 equations.

Example: Write f'(0)=-1 && f(1)=0

How to find values of constants c?

Use known information about the function and its derivative(s) as the initial conditions of the system.

Example: The position of an object is $ h $ at the start of an experiment, write something like $ f (0) = h $

Example: Object speed is $ 0 $ after $ n $ seconds, write something like $ f'(n) = 0 $

What are the notations of the differential equations?

There are multiple notations for a function f:

Example: $$ f'(x) = \frac{\mathrm{d} f(x)}{\mathrm{d}x} $$

Example: $$ f''(x) = \frac{\mathrm{d}^2 f(x)}{\mathrm{d}x^2} $$

The apostrophe indicates the order/degree of derivation, the letter in parenthesis is the derivation variable.

The exponent indicates the order/degree of derivation, the letter of the denominator is the derivation variable.

How to solve a differential equation step by step?

The calculation steps of the dCode solver are not displayed because they are computer operations far from the steps of a student's process.

Source code

dCode retains ownership of the online 'Differential Equation Solver' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any 'Differential Equation Solver' algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any 'Differential Equation Solver' function (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and no data download, script, copy-paste, or API access for 'Differential Equation Solver' will be for free, same for offline use on PC, tablet, iPhone or Android ! dCode is free and online.

Need Help ?

Please, check our dCode Discord community for help requests!
NB: for encrypted messages, test our automatic cipher identifier!

Questions / Comments

Thanks to your feedback and relevant comments, dCode has developed the best 'Differential Equation Solver' tool, so feel free to write! Thank you!


Source : https://www.dcode.fr/differential-equation-solver
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