convert boolean matrix to a zero one matrix.
bool2s(x)
a boolean vector or a boolean matrix or a constant matrix
If x
is a boolean matrix,
bool2s(x)
returns the matrix where "true" values are replaced by 1
and "false" value by 0.
If x
is a "standard" matrix,
bool2s(x)
returns the matrix where non-zero values are replaced by 1.