Taehun Kim

Last seen: mehr als ein Jahr vor | Aktiv seit 2021

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Using a Single Event Function to Account for Multiple Events
Thank you, Hari, for your help in this! I appreciate your helpful comment in this!

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odextend.m and deval.m
Dear all, I am using ode15s.m to integrate a set of ODEs, with an event. Then, I am using odextend.m to integrate a slighlty di...

fast 3 Jahre vor | 0 Antworten | 0

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Suspected bad Jacobian for a stiff system of ODEs with ode15s
Dear All, I have a quick question about ODE15s and solving a system of stiff ODEs that are particularly problematic. First of...

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Getting the Jacobian Matrix or the condition number from a ODE solver
Dear All, I am just wondering if there is a nice way for us to get the condition number of the jacobian matrix from an ODE so...

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ode solvers state solution numerical errors
Dear All, I am wondering about the numerical errors in the state solution obtained from using the ode solvers in MATLAB. How ac...

mehr als 3 Jahre vor | 1 Antwort | 0

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heaviside.m is slow
I am using heaviside.m inside the right hand side function for ode45. There is a for loop within the right hand side function th...

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linprog and ode45
Dear All, I am solving a linear program (LP) within the right hand side function of ode45. The linear system has about 200 equa...

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Linear System Solve in MATLAB
Dear all, Thanks in advance for your help! I am dealing with a di-banded lower triangular system where the full right hand sid...

fast 4 Jahre vor | 2 Antworten | 0

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ODE Solvers how to check conditions in each time step
To whom it may concern, Good afternoon and I hope to reach out to you for a help in MATLAB's ode solvers. I would like to ...

fast 4 Jahre vor | 0 Antworten | 0

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MATLAB ODE45 right hand side function setting some states derivatives equal to zero
Dear all, I have a right hand side function that can be used by the ode solvers in MATLAB. There are many states and some of th...

fast 4 Jahre vor | 0 Antworten | 0

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Using a Single Event Function to Account for Multiple Events
Hi All, I have been using event functions in my simulation and they are great. Just ran into a case where I would like to stop ...

fast 5 Jahre vor | 2 Antworten | 0

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Linear System Speed Up Ax=b
Dear All, I have a linear solve embedded in the right hand side function of a large system of ODEs that I am trying to solve ...

fast 5 Jahre vor | 1 Antwort | 0

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running MATLAB ode45 back-to-back
Hi All, I am curious what happens with the first solution point when we run ode45 to integrate a right hand side function. The ...

fast 5 Jahre vor | 2 Antworten | 0

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MATLAB event function for ODE, specifying time span, and obtaining solution
Hello All, Warm regards for all and hope you all have a great 2021! So, in my research project, I am using MATLAB ode45 to int...

fast 5 Jahre vor | 1 Antwort | 0

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