GPSCalc([0;0;6370;0],zeros(4,1)) ans = 1.0e+003 * -0.019053845324630 0.011318215903832 6.370251972865038 -0.000000042599196 GPSCalc([0;0;5e10;0],zeros(4,1)) ans = 1.0e+004 * -0.150243845210447 0.046069421575677 4.616751009647846 -0.000035303196551 uiopen('e:\Math 447\polarGPS.m',1) % Modify expression to add input arguments. % Example: % a = [1 2 3; 4 5 6]; % foo(a); polarGPS a a = 15600 11760 11610 15170 b b = 7540 2750 14630 610 c c = 10380 16190 7680 13320 rho rho = 26570 phi phi = 0.401355155089376 0.655220171546875 0.293232029093986 0.525120502950172 theta theta = 0.313380971199111 0.130904999001313 0.612814916506477 0.026536329364190 R R = 1.0e+004 * 1.778459164557905 1.556574765310038 1.872284967626456 1.669740997879611 t t = 0.059423012207262 0.052021745319892 0.062552704117942 0.055796564517297 TruePos = GPSCalc([0;0;6370;0],zeros(4,1)); err(:,1) = GPSCalc([0;0;6370;0],[1;0;1;0]); err(:,2) = GPSCalc([0;0;6370;0],[-1;0;1;0]); err(:,2) = GPSCalc([0;0;6370;0],[-1;-1;1;1]); err(:,2) = GPSCalc([0;0;6370;0],[-1;0;1;0]); err(:,3) = GPSCalc([0;0;6370;0],[-1;-1;1;1]); err(:,3) = GPSCalc([0;0;6370;0],[1;-1;1;-1]); err(:,4) = GPSCalc([0;0;6370;0],[0;-1;1;-1]); TruePos- err(:,1) ans = 0.012359814694069 0.009886534855839 0.002341249935853 0.000000041894346 TruePos- err(:,2) ans = -0.039907392616364 -0.018858631608364 -0.016082120543615 -0.000000145528319 TruePos- err(:,3) ans = 0.024719650043469 0.019773085658853 0.004682502171818 0.000000093788779 TruePos- err(:,4) ans = -0.001414040682569 0.005400450037504 -0.004529206234110 0.000000000077099 infNorm = norm(TruePos- err(:,1),inf) infNorm = 0.012359814694069 for k=1:4 infNorm(k) = norm(TruePos- err(:,k),inf) end infNorm = 0.012359814694069 infNorm = 0.012359814694069 0.039907392616364 infNorm = 0.012359814694069 0.039907392616364 0.024719650043469 infNorm = Columns 1 through 3 0.012359814694069 0.039907392616364 0.024719650043469 Column 4 0.005400450037504 max(infNorm) ans = 0.039907392616364 errMagFact = ans/.003 errMagFact = 13.302464205454593 abct = [tIghta;tIghtb;tIghtc;tIghtt] abct = 1.0e+004 * Columns 1 through 3 2.614187450296970 2.647752847066399 2.577117412269296 0.475027343316860 0.217690719892920 0.646582218629081 0.004690182422228 0.040799648580344 0.006802788479844 0.000009125723893 0.000009098039886 0.000009123757901 Column 4 2.656855967684253 0.023676121195969 0.014311123844120 0.000009118963744 tightTruePos = GPSCalc([0;0;6370;0],zeros(4,1),abct) tightTruePos = 1.0e+003 * -0.019052999999344 0.011318000000093 6.369999999999642 0.000000100000000 for i=1:15 err(:,i) = GPSCalc([0;0;6370;0],randi([-1,1],4,1),abct); end for j=1:15 tightInfNorm(j) = norm(tightTruePos-err(:,j),inf); end tightInfNorm tightInfNorm = Columns 1 through 3 0.725620990017308 0.446325840288409 0.648205616566166 Columns 4 through 6 0.689963031827574 0.716325437204997 0.725578687378469 Columns 7 through 9 0.425817674037717 0.539542181505336 0.243632724300369 Columns 10 through 12 0.487266519946388 0.539564286755741 0.507764689554278 Columns 13 through 15 0.362805207216311 0.425811928816074 0.182180797586625 max(tightInfNorm) ans = 0.725620990017308 tightErrMagFact = ans/.003 tightErrMagFact = 2.418736633391028e+002 for i=1:15 err(:,i) = GPSGuassCalc([0;0;6370;0],7,randi([-1,1],1,7)) end err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019347686334611 -0.019701205615910 0.011316502941855 0.011297909609509 0.011224143139151 6.370003332023699 6.370446325839931 6.370323425434559 0.000000100009326 0.000000098702922 0.000000097636270 Columns 4 through 6 -0.019279567526394 -0.019769325436549 -0.018327421311966 0.011309591319306 0.011212461252942 0.011381541442250 6.370689963031470 6.370079786130165 6.369594640088852 0.000000098749142 0.000000097600034 0.000000102656490 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019701205615910 0.011316502941855 0.011314718954252 0.011224143139151 6.370003332023699 6.370004026053674 6.370323425434559 0.000000100009326 0.000000100009281 0.000000097636270 Columns 4 through 6 -0.019279567526394 -0.019769325436549 -0.018327421311966 0.011309591319306 0.011212461252942 0.011381541442250 6.370689963031470 6.370079786130165 6.369594640088852 0.000000098749142 0.000000097600034 0.000000102656490 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019279567526394 -0.019769325436549 -0.018327421311966 0.011309591319306 0.011212461252942 0.011381541442250 6.370689963031470 6.370079786130165 6.369594640088852 0.000000098749142 0.000000097600034 0.000000102656490 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019769325436549 -0.018327421311966 0.011315096295090 0.011212461252942 0.011381541442250 6.369999047897492 6.370079786130165 6.369594640088852 0.000000099997182 0.000000097600034 0.000000102656490 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.018327421311966 0.011315096295090 0.011319344680492 0.011381541442250 6.369999047897492 6.370011787094948 6.369594640088852 0.000000099997182 0.000000100033273 0.000000102656490 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019093518006907 -0.018513457817839 -0.019121117791570 0.011304480852009 0.011386652399706 0.011306318455685 6.370425817673680 6.369858767911017 6.369756367275342 0.000000099544149 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.018513457817839 -0.019121117791570 0.011318769837714 0.011386652399706 0.011306318455685 6.369999114101071 6.369858767911017 6.369756367275342 0.000000100003719 0.000000101861556 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019121117791570 0.011318769837714 0.011322313328802 0.011306318455685 6.369999114101071 6.370006529750164 6.369756367275342 0.000000100003719 0.000000100014041 0.000000099963761 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.018916764604831 -0.019592564286100 -0.018935072111741 0.011341363060264 0.011249344787439 0.011301208093429 6.370487266519589 6.370141237880559 6.369492235310088 0.000000100082454 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019592564286100 -0.018935072111741 0.011317183296093 0.011249344787439 0.011301208093429 6.369998271354387 6.370141237880559 6.369492235310088 0.000000099996706 0.000000098128368 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019058960260439 -0.018935072111741 0.011317183296093 0.011322286641067 0.011301208093429 6.369998271354387 6.370006599800821 6.369492235310088 0.000000099996706 0.000000100010259 0.000000100758722 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019058960260439 -0.019054591204564 0.011317183296093 0.011322286641067 0.011319495514910 6.369998271354387 6.370006599800821 6.369999407914587 0.000000099996706 0.000000100010259 0.000000100000418 Columns 13 through 15 -0.019415805206561 -0.019012482418020 -0.018944365036967 0.011286227890151 0.011331519011981 0.011343200482471 6.370202689006283 6.369574188070827 6.369817819202056 0.000000098666694 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019058960260439 -0.019054591204564 0.011317183296093 0.011322286641067 0.011319495514910 6.369998271354387 6.370006599800821 6.369999407914587 0.000000099996706 0.000000100010259 0.000000100000418 Columns 13 through 15 -0.019054080767751 -0.019012482418020 -0.018944365036967 0.011316660185709 0.011331519011981 0.011343200482471 6.370002085148786 6.369574188070827 6.369817819202056 0.000000100002971 0.000000100455825 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019058960260439 -0.019054591204564 0.011317183296093 0.011322286641067 0.011319495514910 6.369998271354387 6.370006599800821 6.369999407914587 0.000000099996706 0.000000100010259 0.000000100000418 Columns 13 through 15 -0.019054080767751 -0.019053422015253 -0.018944365036967 0.011316660185709 0.011317424990364 0.011343200482471 6.370002085148786 6.370005295931216 6.369817819202056 0.000000100002971 0.000000100008099 0.000000100492069 err = 1.0e+003 * Columns 1 through 3 -0.019055693407985 -0.019052020735423 -0.019052570987529 0.011316502941855 0.011314718954252 0.011312378676085 6.370003332023699 6.370004026053674 6.369994685756920 0.000000100009326 0.000000100009281 0.000000099983016 Columns 4 through 6 -0.019054895391347 -0.019048915970661 -0.019055094901316 0.011315096295090 0.011319344680492 0.011320677927501 6.369999047897492 6.370011787094948 6.369990316902707 0.000000099997182 0.000000100033273 0.000000099994428 Columns 7 through 9 -0.019053834408521 -0.019054599169804 -0.019056008985707 0.011318769837714 0.011322313328802 0.011319041047146 6.369999114101071 6.370006529750164 6.369999448524951 0.000000100003719 0.000000100014041 0.000000100001702 Columns 10 through 12 -0.019054521460660 -0.019058960260439 -0.019054591204564 0.011317183296093 0.011322286641067 0.011319495514910 6.369998271354387 6.370006599800821 6.369999407914587 0.000000099996706 0.000000100010259 0.000000100000418 Columns 13 through 15 -0.019054080767751 -0.019053422015253 -0.019051171508619 0.011316660185709 0.011317424990364 0.011320504551674 6.370002085148786 6.370005295931216 6.369999676033825 0.000000100002971 0.000000100008099 0.000000099997125 extraTruePos = GPSGuassCalc([0;0;6370;0],7,zeros(1,7)); for j=1:15 extraInfNorm = norm(extraTruePos - err(:,j),inf); end max(extraInfNorm) extraInfNorm = 0.002504551675006 extraErrMagFact = ans/.003 extraErrMagFact = 0.834850558335395 uiopen('e:\Math 447\Proj2.txt',1) diary off