Preallocating a variable that changes size every for loop iterations.

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I am using a variable indices that changes size like three times in an iteration .Preallocating it does not change anything.

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Heg Vel 2020-9-25

When I run the code it says the variable needs prealloaction.I am bulding masks here that will help me like constraints in a GA code.

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Answer 1

Sindar 2020-9-25

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It's just a code suggestion, you can safely ignore it.

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Heg Vel 2020-9-25

Thank you for you answer. But still I ignore that and it gives me error in the last line of if loop:company_index_map(company)=[i] .it says :Error using containers.Map/subsasgn

Specified key type does not match the type expected for this container.

Error in pro_2_mkp_1 (line 47)

company_index_map(company)=[i];

Sindar 2020-9-25

That's an entirely separate issue. If you want help on that, create a new question with the relevant code as a code block (not an image)

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Preallocating a variable that changes size every for loop iterations.

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Preallocating a variable that changes size every for loop iterations.

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