Taniadi
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質問
Specifying du/dx in pde toolbox error
I am trying to solve an elliptic PDE but it has a first order partial derivative w.r.t x, but in PDE specification, it has to be...
約13年 前 | 1 件の回答 | 0
1
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Nonlinear fit to multiple data sets with shared parameters
I think to fit the data set, you can try to use least square method, that is to minimize the error between calculated value and ...
Nonlinear fit to multiple data sets with shared parameters
I think to fit the data set, you can try to use least square method, that is to minimize the error between calculated value and ...
約13年 前 | 0
回答済み
Selecting the correct output.
If you want to the difference, eg. the tenth column and the start price, I think that it can be done with 1. define start pric...
Selecting the correct output.
If you want to the difference, eg. the tenth column and the start price, I think that it can be done with 1. define start pric...
約13年 前 | 0
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質問
Bvp4c spherical type
Hi all, I want to solve BVP of the _spherical-type_ form : y'' = y' / x^2 + g(y) using bvp4c, and one of the boundary valu...
13年以上 前 | 0 件の回答 | 0
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回答質問
MuPad and Symbolic Toolbox Error
Hi, i want to ask a question about MuPad. I am beginner using MuPad, I am trying to solve a coupled of ODE as follow using Mu...
13年以上 前 | 1 件の回答 | 0
1
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problem with fmincon to optimize ISE for pid tuning using Bode s ideal trunsfer function
I don't think that the tranfer function can be used as constraint, and one other think, your script cannot be read well!
problem with fmincon to optimize ISE for pid tuning using Bode s ideal trunsfer function
I don't think that the tranfer function can be used as constraint, and one other think, your script cannot be read well!
13年以上 前 | 0
回答済み
fminsearch
I think that you can try to save your file using the filename "f.m" (equating your function name in function definition". And tr...
fminsearch
I think that you can try to save your file using the filename "f.m" (equating your function name in function definition". And tr...
13年以上 前 | 0
回答済み
Transfer function
if you want to try simulate the response of that transfer function with step or ramp function, you can try defining that TF with...
Transfer function
if you want to try simulate the response of that transfer function with step or ramp function, you can try defining that TF with...
13年以上 前 | 0
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solve command
Are you trying to solve a system of linear equations? I found difficulties in using solve. If you want to solve linear equations...
solve command
Are you trying to solve a system of linear equations? I found difficulties in using solve. If you want to solve linear equations...
13年以上 前 | 0
回答済み
Is there any function other than Fsolve to solve systems of nonlinear equations ????
I agree with Friedrich, to test, you can see the value of your equations using: [yout, fval ] = fsolve('function',guess). wh...
Is there any function other than Fsolve to solve systems of nonlinear equations ????
I agree with Friedrich, to test, you can see the value of your equations using: [yout, fval ] = fsolve('function',guess). wh...
13年以上 前 | 0
回答済み
Optimization problem
I can't help you since I don't understand your problem. But after reading your explanation, I think that you have to write a M-...
Optimization problem
I can't help you since I don't understand your problem. But after reading your explanation, I think that you have to write a M-...
13年以上 前 | 0
質問
two systems of coupled elliptic PDE
Hi all, I have a question about solving a system of coupled elliptic PDE, and sadly, it is usually highly nonlinear. What is the...
13年以上 前 | 1 件の回答 | 0
1
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fminsearch
i think that one of your errors is writing the function. the function should use different name for output variables.
fminsearch
i think that one of your errors is writing the function. the function should use different name for output variables.
13年以上 前 | 0
質問
ode error
Hi all, i want to ask about my M-File. I cant run this code i made function dGdW = PBR(W,Y) global yao Fk0 Q0 T...
13年以上 前 | 1 件の回答 | 0
1
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Help using subfunction to compute zeros of a function
you can use fzero or fsolve to solve the problemm but it is necessary that you change initial guess to get 3 roots.
Help using subfunction to compute zeros of a function
you can use fzero or fsolve to solve the problemm but it is necessary that you change initial guess to get 3 roots.
14年弱 前 | 0
