Community Profile # Cola

Last seen: 2 days ago Active since 2021

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How to calculate the area of the curve around a point?
There is a curve, and the coordinates of each point of the curve is known. Is there a way to calculate the area of the curve aro...

5 days ago | 1 answer | 0

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Question

How to analyze and evaluate a system of differential equations without equilibrium points?
There is a system of differential equations containing more than two variables, and the differentials of the variables cannot al...

7 days ago | 0 answers | 0

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Question

Can Ode 45 solve piecewise function in the iteration？
In the iterative process of Ode45, the variable values change with time. The relationship between variable values corresponds t...

1 month ago | 1 answer | 0

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Question

How to store conditional values during iteration by using Ode45?
I want to store data of each iteration, including the conditional values. Is there a way to do this? Thanks! There is an exam...

2 months ago | 1 answer | 0

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Question

Can a system of differential equations have a solution when the rate of change of a variable is constant? And how to calculate it?
There is a system of differential equations containing more than two variables, and the rate of change (with time) of one of the...

2 months ago | 1 answer | 0

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Question

How to solve a complicated equation?
There is a Equation G. How to obtain the values of α and β when G=0？ G=-(-Omega^3*tau + (alpha + beta)*Omega)^2 - (Omega^2 - al...

3 months ago | 1 answer | 0