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https://github.com/Sosokker/Calculator-for-Matrix-and-Algebra.git
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92 lines
2.0 KiB
Python
92 lines
2.0 KiB
Python
#VARIABLE AND NUMBER
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VAR = 0
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NUM = 1
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POINT = 2
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# OPERATOR
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PLUS_S = 3
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MINUS_S = 4
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MUL_S = 5
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DIV_S = 6
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EXP_S = 7
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# BRACKET AND PARENTHESES
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LEFT_BRAC = 11
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RIGHT_BRAC = 12
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LEFT_PAR = 10
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RIGHT_PAR = 11
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#FUNCTION
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SQRT_FUNC = 100
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SIN_FUNC = 101
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COS_FUNC = 102
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TAN_FUNC = 103
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SEC_FUNC = 104
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COSEC_FUNC = 105
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COT_FUNC = 106
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ASIN_FUNC = 107
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ACOS_FUNC = 108
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ATAN_FUNC = 109
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ASEC_FUNC = 110
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ACOSEC_FUNC = 111
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ACOT_FUNC = 112
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FACTORIAL = 113
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LOG = 114
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LN = 115
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ALPHABET_LIST = ['a', 'b', 'c', 'd', 'e', 'f',
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'g', 'h', 'i', 'j', 'k', 'l',
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'm', 'n', 'o', 'p', 'q', 'r', 's'
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, 't', 'u', 'v', 'w', 'x', 'y', 'z']
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NUM_LIST = ['1','2','3','4','5','6','7','8','9','0']
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def general_parse(expr):
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result_list = []
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for value in expr:
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if value == "+":
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result_list.append(PLUS_S)
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elif value == "-":
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result_list.append(MINUS_S)
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elif value == "*":
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result_list.append(MUL_S)
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elif value == "/":
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result_list.append(DIV_S)
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elif (value == "^") or (value == "*"):
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result_list.append(EXP_S)
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elif value == ".":
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result_list.append(POINT)
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elif value == "(":
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result_list.append(LEFT_PAR)
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elif value == ")":
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result_list.append(RIGHT_PAR)
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elif value == "[":
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result_list.append(LEFT_BRAC)
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elif value == "]":
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result_list.append(RIGHT_BRAC)
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elif value in ALPHABET_LIST:
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result_list.append(VAR)
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elif value in NUM_LIST:
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result_list.append(NUM)
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"""
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MEANING OF EACH PATTERN EXPRESSION.
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RESULT_LIST MEANING
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[1,1,1,...] 1231..
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[0,0,0] xyz
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[1,1,2,1,1] 12.32
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[1,1,0] 15x
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[10,11] ()
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[12,13] []
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[114,10,,11] log()
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[115,10,,11] ln()
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[1,1,113] 31!
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[101,10,,11] sin()
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[1,0,3,10,1,2,1,
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101,10,1,1,1,11,11] 5x+(4.2sin(324))
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"""
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