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Multiple errors- Not that great at Matlab :(

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azaandria
azaandria 2023 年 9 月 22 日
回答済み: Raymond Norris 2023 年 9 月 24 日
Hello , any help would be greatly appreciated!
I am running the "TenStory_TMD_Vb".m and it is giving back errors coming from the DynamicResponse.m file. I am not sure how to fix this, please help. Below are the errors I am getting:
Error using DynamicResponse/parfor%supply_1
Index in position 2 exceeds array bounds. Index must not exceed 1.
Error in DynamicResponse (line 3)
parfor ii=1:Num_point
Error in TenStory_TMD_Vb (line 34)
[ Base_shear ] = DynamicResponse(Num_point, w, n, t, ACC);

回答 (2 件)

Raymond Norris
Raymond Norris 2023 年 9 月 24 日
The parallel for-loop is exposing an issue you would find if you ran it with a serial for-loop, namely
Error using interp1>reshapeAndSortXandV
X and V must be of the same length.
Error in interp1 (line 128)
[X,V,orig_size_v] = reshapeAndSortXandV(X,V);
Error in fun (line 3)
acc=interp1(tf,ACC,t);
Error in DynamicResponse>@(t,Z)fun(t,Z,n,M,K,C,acc,tf) (line 34)
[~,XX]=ode15s(@(t,Z) fun(t,Z,n,M,K,C,acc,tf),tf,IC);
Error in odearguments (line 92)
f0 = ode(t0,y0,args{:}); % ODE15I sets args{1} to yp0.
Error in ode15s (line 153)
odearguments(odeIsFuncHandle, odeTreatAsMFile, solver_name, ode, tspan, y0, options, varargin);
Error in DynamicResponse (line 34)
[~,XX]=ode15s(@(t,Z) fun(t,Z,n,M,K,C,acc,tf),tf,IC);
Error in TenStory_TMD_Vb (line 34)
[ Base_shear ] = DynamicResponse(Num_point, w, n, t, ACC);
Change the parfor in DynamicResponse, line 3 to a for-loop and resolve this first and then revert back to parfor.
Side note: you'll notice quite a few MATLAB Code Analyzer messages indicating that you haven't preallocated your matrix. I would suggest going through to see what you can do -- it might shock you to see the improvements preallocation can make.

William Rose
William Rose 2023 年 9 月 23 日
編集済み: William Rose 2023 年 9 月 23 日
It looks like 3 errors but it is really only one error.
Error using DynamicResponse/parfor%supply_1
Index in position 2 exceeds array bounds. Index must not exceed 1.
Matlab does not like something about this parallel for loop. "Index in position 2 exceeds array bounds" means Matlab is trying to access element 2 of an array that only has one element. I don't know what supply_1 is, and I have not used parfor loops. I recommend you replace parfor with for, to see if it runs when you do not try to parallelize the code.
Error in DynamicResponse (line 3)
parfor ii=1:Num_point
The message above tells you that function DynamicResponse had an error at line 3 - due to the parfor problem reported above.
Error in TenStory_TMD_Vb (line 34)
[ Base_shear ] = DynamicResponse(Num_point, w, n, t, ACC);
This tells you that line 34 of TenStory_TMD_Vb had an error at line 34. And it is because of the error in DynamicResponse.m, reported above.
This is standard - an error in a sub-sub-program produces error messages going up the chain of programs that called it.
  1 件のコメント
William Rose
William Rose 2023 年 9 月 23 日
@azaandria, I see you have a good sense of humor!

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