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Last change
on this file since 102 was 2, checked in by Rick van der Zwet, 15 years ago |
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Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
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File size:
559 bytes
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| [2] | 1 | function fout = foutperc(A, Ak)
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| 2 | % given matrix A and its approximation Ak
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| 3 | % determine percentage error in function values
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| 4 | % difference in A - Ak in percentage is given
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| 5 | [m, n] = size(A);
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| 6 | B = A - Ak;
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| 7 |
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| 8 | % ik heb de loops in elkaar geschoven, vanwege leesbaarheid en
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| 9 | % snelheid
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| 10 | magA = 0.0;
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| 11 | magB = 0.0;
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| 12 | for i=1:m
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| 13 | for j=1:n
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| 14 | magA = magA + abs(A(i,j));
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| 15 | magB = magB + abs(B(i,j));
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| 16 | end
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| 17 | end
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| 18 | magA = magA / (m * n);
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| 19 | magB = magB / (m * n);
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| 20 | fout = magB * 100 / magA;
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