1lis_array_matvec(3f) Lis Library Functions lis_array_matvec(3f)
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6 lis_array_matvec - calculate the matrix vector product
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10 subroutine lis_array_matvec(LIS_INTEGER n, LIS_SCALAR a(), LIS_SCALAR
11 x(), LIS_SCALAR y(), LIS_INTEGER op, LIS_INTEGER ierr);
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15 Calculate the matrix-vector product Ax.
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19 n The size of the matrix and vectors
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22 a The array that stores matrix A of size n * n
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25 x The array that stores vector x of size n
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28 y The array that stores vector y of size n
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31 op
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33 LIS_INS_VALUE
34 y = Ax
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36 LIS_SUB_VALUE
37 y = y - Ax
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41 y y
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45 lis(3)
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47 http://www.ssisc.org/lis/
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52Man Page 3 Dec 2014 lis_array_matvec(3f)