Book
Linear Algebra
Author
Gilbert Strang
Edition
/*15(a)*/ a=matrix([[1,1,1,1],[0,0,0,0],[0,0,0,0]]) print a a.rank() /*15(b)*/ a=matrix([[1,0,1,0],[0,1,0,1],[0,0,0,0],[0,0,0,0]]) print a a.rank() /*15(c)*/ a=matrix([[1,-1,1,-1],[0,0,0,0],[0,0,0,0]]) print a a.rank()
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