\u6709\u52b9\u6570\u5b57\u306e\u5224\u5b9a<\/li>\n<\/ol>\n\u3053\u3093\u306a\u3068\u3053\u308d\u3067\u3059\u3002\u73fe\u5728\u306e e-Learning \u6559\u6750\u306f maxima \u306e\u5f62\u5f0f\u3067\u56de\u7b54\u3057\u3066\u304f\u308b\u306e\u3067\u3001\u305d\u308c\u3092 sympy \u7528\u306b\u7de8\u96c6\u3059\u308b\u5fc5\u8981\u3082\u3042\u308a\u307e\u3059\u304c\uff0c\u6570\u5024\u3060\u3051\u3068\u5224\u65ad\u3057\u305f\u5f8c\u306a\u3089\u5fc5\u8981\u306a\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002\u8272\u3005\u306a\u30d1\u30bf\u30fc\u30f3\u306e\u6570\u5024\u306e\u6709\u52b9\u6570\u5b57\u3092\u5224\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u95a2\u6570 getSignificantFigures \u304c\u6709\u52b9\u6570\u5b57\u3092\u6c42\u3081\u308b\u6240\u3067\u3059\u3002\u5f15\u6570 tmpStr \u306b\u306f\uff0c\u6574\u6570\u3084 1.234e-5 \u7b49\u306e\u5f62\u5f0f\u306e\u6570\u5f0f\u304c\u8a18\u8ff0\u3055\u308c\u305f\u6587\u5b57\u5217\u304c\u5165\u308a\u307e\u3059\u3002\u307e\u305f\u30b3\u30fc\u30c9\u306b\u306f 1.234*10^3 \u3084 1.234*10**3 \u306e\u3088\u3046\u306a\u5f62\u5f0f\u3078\u306e\u5bfe\u5fdc\u3082\u66f8\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n
%reset -f\r\n\r\nimport sys\r\nfrom sympy import *\r\n\r\n\r\ndef getSignificantFigures(tmpStr):\r\n\r\n def mainProcess(tmpStr):\r\n \r\n workingString = tmpStr\r\n \r\n index_e = tmpStr.find('e')\r\n index_E = tmpStr.find('E')\r\n\r\n if index_e != -1:\r\n workingString = tmpStr[:index_e]\r\n\r\n if index_E != -1:\r\n workingString = tmpStr[:index_E]\r\n\r\n workingString = workingString.replace('+',\"\")\r\n workingString = workingString.replace('-',\"\")\r\n workingString = workingString.replace('.',\"\")\r\n\r\n while workingString[0] == '0':\r\n workingString = workingString[1:]\r\n\r\n #print('last string \"' + workingString + '\"')\r\n\r\n significantFigures = len(workingString) \r\n \r\n return significantFigures\r\n \r\n \r\n message = \"none\"\r\n significantFigures = -1\r\n \r\n typeArray = [\"<class 'sympy.core.numbers.Integer'>\", \"<class 'sympy.core.numbers.Float'>\"]\r\n\r\n tmpStr = tmpStr.replace(' ',\"\")\r\n #print('\"' + tmpStr + '\"')\r\n\r\n try:\r\n expr = sympify(tmpStr, evaluate=False)\r\n except Exception as ex:\r\n expr = ex\r\n\r\n #print(expr) \r\n exprClass = str(type(expr))\r\n \r\n if exprClass == \"<class 'sympy.core.sympify.SympifyError'>\": \r\n return significantFigures, \"is not expression\"\r\n\r\n # 以下、とりあえず数式にはなっている\r\n \r\n # 指数部の表記が異なる場合への対応\r\n \r\n tmpStr2 = tmpStr.replace('*10^',\"e\")\r\n tmpStr2 = tmpStr2.replace('*10**',\"e\") \r\n\r\n try:\r\n expr2 = sympify(tmpStr2, evaluate=False)\r\n except Exception as ex:\r\n expr2 = ex\r\n\r\n #print(expr2)\r\n expr2Class = str(type(expr2)) \r\n \r\n\r\n if exprClass in typeArray: \r\n significantFigures = mainProcess(tmpStr) \r\n return significantFigures, \"float or integer\"\r\n \r\n elif expr2Class in typeArray:\r\n significantFigures = mainProcess(tmpStr2) \r\n return significantFigures, \"you use 10^ or 10**.\"\r\n\r\n else:\r\n return significantFigures, \"is not integer or float\"\r\n \r\n\r\n\r\ntestArray = []\r\n\r\ntestArray.append('-0.12e-3')\r\ntestArray.append('-0.12E-3')\r\ntestArray.append('-0.0120e-3')\r\ntestArray.append(' + 0.01200e-3')\r\ntestArray.append('-2.14*10^3')\r\ntestArray.append('-2.14*10**3')\r\ntestArray.append('-0.123')\r\ntestArray.append('-123')\r\ntestArray.append('- 123') # 符号との間に空白\r\ntestArray.append('-123 ') # 右側に空白\r\ntestArray.append(' - 123 ') # 多数の空白\r\ntestArray.append(' -0123 ') \r\ntestArray.append('123*10^2*3*10^2') \r\n\r\n\r\n\r\n\r\nfor i in range(len(testArray)):\r\n\r\n tmpStr = testArray[i]\r\n significantFigures = -1\r\n \r\n print('\\nNo. ' + str(i))\r\n print('\"' + tmpStr + '\"')\r\n \r\n significantFigures, message = getSignificantFigures(tmpStr)\r\n \r\n print(message)\r\n print('significantFigures : ' + str(significantFigures))\r\n\r\n<\/code><\/pre>\n\u51fa\u529b\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n
No. 0\r\n\"-0.12e-3\"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 1\r\n\"-0.12E-3\"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 2\r\n\"-0.0120e-3\"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 3\r\n\" + 0.01200e-3\"\r\nfloat or integer\r\nsignificantFigures : 4\r\n\r\nNo. 4\r\n\"-2.14*10^3\"\r\nyou use 10^ or 10**.\r\nsignificantFigures : 3\r\n\r\nNo. 5\r\n\"-2.14*10**3\"\r\nyou use 10^ or 10**.\r\nsignificantFigures : 3\r\n\r\nNo. 6\r\n\"-0.123\"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 7\r\n\"-123\"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 8\r\n\"- 123\"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 9\r\n\"-123 \"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 10\r\n\" - 123 \"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 11\r\n\" -0123 \"\r\nis not expression\r\nsignificantFigures : -1\r\n\r\nNo. 12\r\n\"123*10^2*3*10^2\"\r\nis not integer or float\r\nsignificantFigures : -1<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"e-Learning \u306e\u6559\u6750\u306e\u56de\u7b54\u3092\u53d6\u308a\u6271\u3046\u8a71\u3067\u3059\u3002\u56de\u7b54\u306f\u6570\u5024\u3092\u60f3\u5b9a\u3057\u3066\u3044\u3066\uff0c\u305d … Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-12000","post","type-post","status-publish","format-standard","hentry","category-column"],"_links":{"self":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12000"}],"version-history":[{"count":79,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12000\/revisions"}],"predecessor-version":[{"id":12091,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12000\/revisions\/12091"}],"wp:attachment":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12000"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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