MATLAB: Subscripted assignment dimension mismatch.

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I am trying to store the string in to one array in if else state ment. i get this error

Subscripted assignment dimension mismatch.

Error in connect (line 68) blob(i)='rectangle';

Best Answer

This error means that you are trying to assign to an element of vector blob (size 1x1) a vector a size 1x9. That happens because in MATLAB, a string is a vector of characters: 'rectangle' is a vector of size 1x9, but blob(i) has size 1x1.

Are you trying to store strings of various sizes in the variable blob? What do you want to do when storing strings in a vector?

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strcat() has the property that it trims out leading and trailing blanks from parameters that are character vectors. It does not do that for cell array of character vectors.

Similar question with accepted answer is available https://in.mathworks.com/matlabcentral/answers/470768-converting-strings-in-cell-array-into-array

For more details you can visit documentation of strcat here

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You need to use cell arrays:

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