Invalid expression in function loading file

Question

Owen Gray 2021-1-24

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/725312-invalid-expression-in-function-loading-file

评论： Walter Roberson 2021-1-24

Hi I've written this function

function [RTxdone] = ReactionTime('resultsfile';sesid)
load 'resultsfile'
Rxtcell = ses(sesid)_results(5:800,6);
RTa = cell2mat(Rxtcell);
    for n = 1:225
        X = RTa(n:n+8);
        Y = [0;0;0;0;0;0;0;0;0];
            if X==Y
            RTa(n) = NaN
        end
    end
    RT = RTa(RTa~=0)
end

Which when I try to call gives this error:

Error: File: ReactionTime.m Line: 1 Column: 35
Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other
syntax error. To construct matrices, use brackets instead of parentheses.

Not sure what I've done here

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Answer 1

Cris LaPierre 2021-1-24

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/725312-invalid-expression-in-function-loading-file#answer_604792

Same problem as in this recent post. See the answers provided there.

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Walter Roberson 2021-1-24

在 MATLAB Online 中打开

But also, parameters in a function definition must be separated by comma, never semi-colon.

Also,

Rxtcell = ses(sesid)_results(5:800,6);

is not valid syntax. When I look at that code, I have the suspicion that sesid is being used to pick out a particular variable name from the resultsfile. If that is the case, then that can generally be done, but not with that syntax, and we would need more details about what the sesid would look like and what the variable names in the file look like.

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