spielwiese
Last change
on this file since 2e49a5 was
2e49a5,
checked in by Olaf Bachmann <obachman@…>, 23 years ago
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* initial commit
git-svn-id: file:///usr/local/Singular/svn/trunk@5001 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
553 bytes
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Rev | Line | |
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[2e49a5] | 1 | LIB "tst.lib"; tst_init(); |
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| 2 | LIB "linalg.lib"; |
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| 3 | |
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| 4 | proc hilbert (int n) |
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| 5 | { |
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| 6 | matrix a[n][n]; |
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| 7 | int i, j; |
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| 8 | int j; |
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| 9 | for (i = 1; i <= n; i++) |
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| 10 | { |
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| 11 | for (j = 1; j <= n; j++) |
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| 12 | { |
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| 13 | a[i, j] = 1/(number(i) + number(j) - 1); |
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| 14 | } |
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| 15 | } |
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| 16 | return(a); |
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| 17 | } |
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| 18 | |
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| 19 | ring R = 0, x, lp; |
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| 20 | |
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| 21 | matrix h70[70][70]; |
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| 22 | h70 = hilbert(70); |
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| 23 | |
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| 24 | tst_InitTimer(); |
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| 25 | |
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| 26 | matrix i_h70 = inverse(h70); |
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| 27 | |
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| 28 | tst_ReportTimer("K"); |
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| 29 | |
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| 30 | matrix check; |
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| 31 | |
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| 32 | tst_InitTimer(); |
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| 33 | |
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| 34 | check = i_h70 * h70; |
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| 35 | |
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| 36 | tst_ReportTimer("L"); |
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| 37 | |
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| 38 | check == matrix(freemodule(70)); |
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| 39 | |
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| 40 | kill R, hilbert; |
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| 41 | |
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| 42 | tst_status(1); $ |
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