[Solved] Std vector of std matrices (vector of vectors) in c++

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A three dimensional vector follows the same format that a 2 dimension vector has. If A, B, C … are defined as

std::vector<std::vector<double> > A (6,std::vector<double>(6));

Then their type is std::vector<std::vector<double> >. To create a vector that will hold 8 of those then you need to use

std::vector<std::vector<std::vector<double>>> someName(8);

If you want to have the whole thing initialized at one time then the syntax becomes:

std::vector<std::vector<std::vector<double>>> someName(8, std::vector<std::vector<double>>(6,std::vector<double>(6)));

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solved Std vector of std matrices (vector of vectors) in c++