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frank


Con actividad desde 2012

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how to find numerical soloution
Hi everyone; How can I find the numerical solution of the equation: dldk3=0 in order to get k2? dldk3 is obtained from follo...

más de 12 años hace | 0 respuestas | 0

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Problem with solve command
Hi everyone; I have a problem with solving a system of symbolic 5equations-5unknowns. MATLAB returns an error of "Explicit sol...

más de 12 años hace | 1 respuesta | 0

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a question about bvp4c
Dear friends; I wanna solve an optimal control problem with free-final-time by means of bvp4c; so I have to use a function li...

más de 12 años hace | 0 respuestas | 0

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extract sentences which contain special variable in a symbolic equation
Hi, I have a symbolic equation which one variable in this equation is u. I want to know which sentences contain this variable. ...

casi 13 años hace | 0 respuestas | 0

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solve system of large linear symbolic equations
Hi; I have 12 symbolic linear equations and 12 variables which each equation is about 40 pages of word. When I want to solve ...

casi 13 años hace | 2 respuestas | 0

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solve symbolic equations with unknown numbers of variables
Hi; I have a loop which the variables and equations are calculated in this loop and the symbolic values and numbers of them are...

casi 13 años hace | 0 respuestas | 0

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a question about ops{} command
Hi; I've wrote a mfile in which a symbolic variable is produced that its length is more than 25000 characters, so I broke it by...

casi 13 años hace | 1 respuesta | 0

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Text exceeds maximum line length of 25000 characters
Hi I have written some codes in Matlab, some parameters (which have symbolic values) are calculated by that mfile. Since their ...

casi 13 años hace | 1 respuesta | 0

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solve systems of symbolic nonlinear ordinary differential equations with replace the equations by parameters
Hi I have systems of symbolic nonlinear ordinary differential equations. Since my equations are too long, I have to save the...

casi 13 años hace | 2 respuestas | 0

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how can I use parameter instead of equation in dsolve
Hi I want to solve an ordinary differential symbolic equation with dsolve. But I want to save my equation in a parameter and ...

casi 13 años hace | 2 respuestas | 0

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How to solve system of nonlinear symbolic equations?
I've written 2 long nonlinear symbolic equations with 2 unknowns in Matlab, but it doesn't solve it and says:"Explicit solution ...

casi 13 años hace | 1 respuesta | 0

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