
Math 215 HW #9 Solutions
... 5. Problem 4.4.32. If the columns of a 4 by 4 matrix have lengths L1 , L2 , L3 , L4 , what is the largest possible value for the determinant (based on volume)? If all entries are 1 or −1, what are those lengths and the maximum determinant? Answer: If the four columns have lengths L1 , L2 , L3 , L4 ...
... 5. Problem 4.4.32. If the columns of a 4 by 4 matrix have lengths L1 , L2 , L3 , L4 , what is the largest possible value for the determinant (based on volume)? If all entries are 1 or −1, what are those lengths and the maximum determinant? Answer: If the four columns have lengths L1 , L2 , L3 , L4 ...
1 Introduction 2 Data structures for sparse matrices and the
... data structure consists of three arrays. • A real array A containing the real values aij is stored row by row, from row 1 to N as a vector AV . The length of AV is N N Z. • An integer array JCN A containing the column indices of the elements aij as stored in the array A. The length of JCN A is N N Z ...
... data structure consists of three arrays. • A real array A containing the real values aij is stored row by row, from row 1 to N as a vector AV . The length of AV is N N Z. • An integer array JCN A containing the column indices of the elements aij as stored in the array A. The length of JCN A is N N Z ...