octave 06 and 08WIP
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Andrew
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15 changed files with 303 additions and 0 deletions
21
1sem/octave/06/main.m
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21
1sem/octave/06/main.m
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#stage 4
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V=33;
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rand("state", V);
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#stage 5, 6, 7
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fid = fopen("results.txt", "w+");
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origs = -1000 + 2000*rand(1, 100);
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abserrs = [];
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for i = 1:100
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x = origs(i);
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binf = print_num_bin(x, 4);
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decf = read_num_bin(binf);
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abserr = abs(x - decf);
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abserrs(end + 1) = abserr;
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fprintf(fid, "%.6f %s %.6f %.6f\n", x, binf, decf, abserr);
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end
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fclose(fid);
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#stage 8
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stats = [min(abserrs), mean(abserrs), max(abserrs)];
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save -ascii "stats.txt" stats;
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13
1sem/octave/06/print_num_bin.m
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13
1sem/octave/06/print_num_bin.m
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function s = print_num_bin(n, prec)
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neg = n < 0;
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n = abs(n);
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v = 2^prec;
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n = round(n * v);
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s = dec2bin(n);
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s = [s(1:length(s)-prec) "." s(length(s)-prec+1:end)];
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dp = strfind(s, ".");
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s = [s(1:dp) s(dp+1:dp+prec)];
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if neg
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s = ["-" s];
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end
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end
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18
1sem/octave/06/read_num_bin.m
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18
1sem/octave/06/read_num_bin.m
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function n = read_num_bin(s)
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neg = s(1) == "-";
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if neg
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s = substr(s, 2);
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end
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ind = find(s == '.');
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decpart = s(1:ind-1);
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floatpart = s(ind+1:end);
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n = bin2dec(decpart);
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for d = 1:length(floatpart)
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if floatpart(d) == '1'
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n = n + 2^(-d);
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end
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end
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if neg
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n = -n;
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end
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end
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101
1sem/octave/06/results.txt
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101
1sem/octave/06/results.txt
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140.656846 10001100.1011 140.687500 0.030654
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264.465991 100001000.0111 264.437500 0.028491
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634.007720 1001111010.0 634.000000 0.007720
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20
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-445.418291 -110111101.0111 -445.437500 0.019209
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303.719936 100101111.1100 303.750000 0.030064
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781.621911 1100001101.1010 781.625000 0.003089
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817.657046 1100110001.1011 817.687500 0.030454
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-626.974881 -1001110011.0000 -627.000000 0.025119
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303.454219 100101111.0111 303.437500 0.016719
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234.234556 11101010.0100 234.250000 0.015444
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6.787677 110.1101 6.812500 0.024823
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932.395930 1110100100.0110 932.375000 0.020930
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56.532450 111000.1001 56.562500 0.030050
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-109.491806 -1101101.1000 -109.500000 0.008194
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887.122313 1101110111.0010 887.125000 0.002687
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271.239654 100001111.0100 271.250000 0.010346
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-397.411087 -110001101.0111 -397.437500 0.026413
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-381.481163 -101111101.1000 -381.500000 0.018837
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-7.798867 -111.1101 -7.812500 0.013633
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-894.803915 -1101111110.1101 -894.812500 0.008585
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215.163393 11010111.0011 215.187500 0.024107
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471.709217 111010111.1011 471.687500 0.021717
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-147.716376 -10010011.1011 -147.687500 0.028876
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693.175737 1010110101.0011 693.187500 0.011763
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855.969091 1101011000.0000 856.000000 0.030909
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111.215946 1101111.0011 111.187500 0.028446
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362.705205 101101010.1011 362.687500 0.017705
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-765.485378 -1011111101.1000 -765.500000 0.014622
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-887.960891 -1101110111.1111 -887.937500 0.023391
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960.044844 1111000000.0001 960.062500 0.017656
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-431.119785 -110101111.0010 -431.125000 0.005215
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-573.274583 -1000111101.0100 -573.250000 0.024583
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793.322668 1100011001.0101 793.312500 0.010168
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499.638280 111110011.1010 499.625000 0.013280
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-753.634264 -1011110001.1010 -753.625000 0.009264
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-356.657717 -101100100.1011 -356.687500 0.029783
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-514.643542 -1000000010.1010 -514.625000 0.018542
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-454.588140 -111000110.1001 -454.562500 0.025640
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-987.254227 -1111011011.0100 -987.250000 0.004227
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49.367274 110001.0110 49.375000 0.007726
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-391.314796 -110000111.0101 -391.312500 0.002296
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-211.581165 -11010011.1001 -211.562500 0.018665
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-629.127686 -1001110101.0010 -629.125000 0.002686
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-779.830219 -1100001011.1101 -779.812500 0.017719
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-934.170732 -1110100110.0011 -934.187500 0.016768
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745.510871 1011101001.1000 745.500000 0.010871
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494.739304 111101110.1100 494.750000 0.010696
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119.303880 1110111.0101 119.312500 0.008620
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-752.316236 -1011110000.0101 -752.312500 0.003736
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-702.100767 -1010111110.0010 -702.125000 0.024233
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-760.694477 -1011111000.1011 -760.687500 0.006977
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-366.894409 -101101110.1110 -366.875000 0.019409
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-884.805822 -1101110100.1101 -884.812500 0.006678
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-449.191431 -111000001.0011 -449.187500 0.003931
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-594.210478 -1001010010.0011 -594.187500 0.022978
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-614.323248 -1001100110.0101 -614.312500 0.010748
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307.457721 100110011.0111 307.437500 0.020221
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-84.401032 -1010100.0110 -84.375000 0.026032
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-53.039465 -110101.0001 -53.062500 0.023035
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-283.877647 -100011011.1110 -283.875000 0.002647
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78.027926 1001110.0000 78.000000 0.027926
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570.322422 1000111010.0101 570.312500 0.009922
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-383.986853 -110000000.0000 -384.000000 0.013147
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-859.546631 -1101011011.1001 -859.562500 0.015869
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-37.657807 -100101.1011 -37.687500 0.029693
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-241.662089 -11110001.1011 -241.687500 0.025411
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561.012005 1000110001.0000 561.000000 0.012005
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-778.016393 -1100001010.0000 -778.000000 0.016393
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745.455954 1011101001.0111 745.437500 0.018454
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-970.346139 -1111001010.0110 -970.375000 0.028861
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84.473262 1010100.1000 84.500000 0.026738
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-112.805192 -1110000.1101 -112.812500 0.007308
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-369.337769 -101110001.0101 -369.312500 0.025269
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777.801631 1100001001.1101 777.812500 0.010869
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404.201774 110010100.0011 404.187500 0.014274
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-673.577310 -1010100001.1001 -673.562500 0.014810
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-10.120724 -1010.0010 -10.125000 0.004276
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224.525414 11100000.1000 224.500000 0.025414
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-932.991479 -1110100101.0000 -933.000000 0.008521
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-825.066717 -1100111001.0001 -825.062500 0.004217
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203.474744 11001011.1000 203.500000 0.025256
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459.012915 111001011.0000 459.000000 0.012915
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-74.621956 -1001010.1010 -74.625000 0.003044
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-155.875222 -10011011.1110 -155.875000 0.000222
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13.890809 1101.1110 13.875000 0.015809
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-478.827514 -111011110.1101 -478.812500 0.015014
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752.983773 1011110001.0000 753.000000 0.016227.000650
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-958.935130 -1110111110.1111 -958.937500 0.002370
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-205.781515 -11001101.1101 -205.812500 0.030985
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606.098294 1001011110.001 606.125000 0.026706
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-350.091142 -101011110.0001 -350.062500 0.028642
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-788.869426 -1100010100.111 -788.875000 0.005574
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-629.474760 -1001110101.1 -629.500000 0.025240
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423.349877 110100111.011 423.375000 0.025123
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244.037508 11110100.0001 244.062500 0.024992
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-427.668975 -110101011.1011 -427.687500 0.018525
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247.149172 11110111.001 247.125000 0.024172
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521.321129 1000001001.0101 521.312500 0.008629
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47.149172 11110111.0010 247.125000 0.024172
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521.321129 1000001001.0101 521.312500 0.008629
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1
1sem/octave/06/stats.txt
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1
1sem/octave/06/stats.txt
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2.21687316e-04 1.65226217e-02 3.09853200e-02
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