Cell contents reference from a non-cell array object.

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marcos flavio paula miranda junior 2020-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/656453-cell-contents-reference-from-a-non-cell-array-object

评论： marcos flavio paula miranda junior 2020-11-22

采纳的回答： Stephen23

clc;

clear all;

vchave = [2 2 2 2 2 2]

for k = 1:6;

v{k} = vchave

v{1,k} = v{1,k}-1

v{1}{k+1} = v{1}{k+1}-1

end

I am getting error "Cell contents reference from a non-cell array object" . Please tell me how to solve this problem.

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marcos flavio paula miranda junior 2020-11-22

I am getting error "Cell contents reference from a non-cell array object" . Please tell me how to solve this problem.

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Answer 1

Stephen23 2020-11-22

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/656453-cell-contents-reference-from-a-non-cell-array-object#answer_552178

编辑：Stephen23 2020-11-22

在 MATLAB Online 中打开

Each cell of v contains a numeric vector. So your indexing here:

v{1}{k+1} = v{1}{k+1}-1
%   ^   ^       ^   ^ wrong type of bracekts for numeric array.

uses the wrtong type of brackets for indexing (curly braces are used to access the elements of a container array, e.g. the elements of a cell array, table, or string). The correct brackets for accessing the elements of a numeric array are parentheses, as shown here:

vchave = [2,2,2,2,2,2];
for k = 1:5;
    v{k} = vchave
    v{1,k} = v{1,k}-1
    v{1}(k+1) = v{1}(k+1)-1
end
v = 1x1 cell array
    {1×6 double}
v = 1x1 cell array
    {1×6 double}
v = 1x1 cell array
    {1×6 double}
v = 1x2 cell array
    {1×6 double}    {1×6 double}
v = 1x2 cell array
    {1×6 double}    {1×6 double}
v = 1x2 cell array
    {1×6 double}    {1×6 double}
v = 1x3 cell array
    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x3 cell array
    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x3 cell array
    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x4 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x4 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x4 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x5 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x5 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}
v = 1x5 cell array
    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}    {1×6 double}