How to use an output from on file as input in another file.

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Sergio 2024-3-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2099636-how-to-use-an-output-from-on-file-as-input-in-another-file

评论： Sergio 2024-3-31

在 MATLAB Online 中打开

The given file "enzymeGeneral.m" generates a vector. " test-modified.m" generates a Jacobian.

How can I use these answers and sum them up as follows:

sums up all the vector entries into one scale. Using the output vector of enzymeLesstSquares.m

and

sums up all the jacobian entries acting on each respective vector entry from menzymeLesstSquares.m (usinng the output Jacobian of test-modified.m)

Here I try with

function [r,g] = enzymeGeneral(k)
[r]=enzymeLeastSquares(result,grad_all);
[g]=test_modified(result,grad_all);
S=sum(r,8)
V=sum(g,8)

Where "result" is supposed to call for the answer from the respective m. file.

But this doesn't work, since S and V do not call on the answers from enzymeLeastSquares.m and test_modified.m in order to sum them as given in S and V:

How can I use the answers from enzymeLeastSquares.m and test_modified.m as inputs for S and V in summation?

Thanks

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Alexander 2024-3-29

"enzymeGeneral.m" doesn't creat a vector but an error:

>> enzymeGeneral

Unrecognized function or variable 'result'.

Error in enzymeGeneral (line 2)

[r,g]=enzymeLeastSquares(result,grad_all);

Hence, you should rework your scripts.

Sergio 2024-3-30

编辑：Sergio 2024-3-30

@Alexander Thanks for your comment. What you indicate to do is the main question I am asking. How do I take the answer from enzymeLeastSquares.m as a input for enzymeGeneral.m, and the answer of test-modified.m as input for enzymeGeneral.m for that summation operation?

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Answer 1

Alexander 2024-3-30

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2099636-how-to-use-an-output-from-on-file-as-input-in-another-file#answer_1433671

编辑：Alexander 2024-3-30

Do you mean something like this:

function [S,V]=enzymeLeastSquares(r,g);

S=sum(r,8)

V=sum(g,8)

and the calling function might look like this:

function [S,V] = enzymeLeastSquares(k)

N = 4; % number of experiments

result = zeros(2*N,1); % pre-allocate result arrays

grad_all = zeros(2*N,2);

dt=0.01;

T=1;

%k=[5;1];

y0_all = [2 1 1 4; 1 1 0 1];

y1_all = [1.0 0.5 0.3 2.4; 2.1 1.6 0.9 2.7];

for ii = 1:N

y0 = y0_all(:,ii);

y1 = y1_all(:,ii);

[SP,grad]=enzyme(y0,k,dt,T);

result((ii-1)*2+[1 2]) = y1-SP;

grad_all((ii-1)*2+[1 2],:) = -grad;

end

[S,V] = enzymeGeneral(grad_all, result)

But I haven't tested this jet. It shows only how to pass prameters onto a function and get results back.

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Alexander 2024-3-31

Maybe this:

function [result,grad_all] = enzymeLeastSquares(k)

N = 4; % number of experiments

result = zeros(2*N,1); % pre-allocate result arrays

grad_all = zeros(2*N,2);

dt=0.01;

T=1;

%k=[5;1];

y0_all = [2 1 1 4; 1 1 0 1];

y1_all = [1.0 0.5 0.3 2.4; 2.1 1.6 0.9 2.7];

for ii = 1:N

y0 = y0_all(:,ii);

y1 = y1_all(:,ii);

[SP,grad]=enzyme(y0,k,dt,T);

result((ii-1)*2+[1 2]) = y1-SP;

grad_all((ii-1)*2+[1 2],:) = -grad;

end

result = sum(result);

Sergio 2024-3-31

Thanks; I got Not enough input arguments.

Error in enzymeGeneral (line 13)

[SP,grad]=enzyme(y0,k,dt,T);

but I will take it further with my Professor.

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