class ML: Methods ones, zeros, toString

// Construct matrix of all ones.

public static ML ones(int h, int w)

{

return new ML( h, w, new ml(1.0));

}

// Construct matrix of all zeros.

public static ML zeros(int h, int w)

{

return new ML( h, w, new ml(0.0));

}

// Convert this matrix to String.

public String toString()

{

String result = "";

for (int r = 0; r < h; r++){

for (int c = 0; c < w; c++)

result = result + values[r][c] + " ";

result = result + "\n";

}

return result;

}

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