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Good Day Sir/Ma'am. May i ask what is the meaning of ode45 here and @dfunc? --------> [t,x] = ode45(@dfunc, tspan, x0);

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Warda Panondi 2018-3-21

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回答： Mark Alison 2018-3-23

采纳的回答： James Tursa

Thank you very. Hoping for response.

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Stephen23 2018-3-21

编辑：Stephen23 2018-3-21

See also earlier question:

https://www.mathworks.com/matlabcentral/answers/389756-in-this-code-plot-t-ac-3-r-t-ac-2-g-t-ac-1-b-what-is-the-value-essence-of-the

@Warda Panondi: the MATLAB documentation is free for everyone to read.

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James Tursa 2018-3-21

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编辑：James Tursa 2018-3-21

在 MATLAB Online 中打开

ode45 is a numerical integration routine

doc ode45

@dfunc is a function handle that points to a function called dfunc. This function takes two inputs, time and current state vector, and outputs the derivative of the state vector at that particular time.

doc function_handle

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Warda Panondi 2018-3-21

Thank you very much sir James.

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Mark Alison 2018-3-23

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I am about to ask such matter.

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