Plot CSV data files in Gnuplot

To plot a data file that contains data separated with "," use the following at the gnuplot command prompt:

set datafile separator ","

Octave mode in EMACS

To turn on Octave mode in EMACS use this:

M-x octave-mode

It can be done automatically also ... that is for later !

Dynamic allocation of a 3d array

#include

using namespace std;

int main()
{

// tensor[numTables][numRows][numCols]

const size_t numTables = 2 ;
const size_t numRows = 3 ;
const size_t numCols = 4 ;

double*** tensor ;

tensor = new double** [numTables];

for(size_t table = 0 ; table < numTables ; ++table)
{
tensor[table] = new double* [numRows];

for(size_t row = 0 ; row < numRows ; ++row)
{
tensor[table][row] = new double [numCols];
}
}



unsigned int count = 1 ;

for(size_t table = 0 ; table < numTables ; ++table)
{
for(size_t row = 0 ; row < numRows ; ++row)
{
for(size_t col = 0 ; col < numCols ; ++col)
{
tensor[table][row][col] = count++;
}
}
}



for(size_t table = 0 ; table < numTables ; ++table)
{
for(size_t row = 0 ; row < numRows ; ++row)
{
for(size_t col = 0 ; col < numCols ; ++col)
{
cout << tensor[table][row][col] << " " ;
}
cout << endl ;
}
cout << endl ;
}


delete [] tensor ;

return 0 ;

}