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Package sympycore :: Package calculus :: Module differentiation

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Module differentiation

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Profides the implementation of differentation methods.

Functions

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diff(expr, symbol, order=1)
Return derivative of the expression with respect to symbols.

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diff_callable(f, arg, xdata, order)

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diff_factor(base, exp, xdata, order)

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diff_generic(expr, xdata, order, NUMBER='N', SYMBOL='S', ADD=' + ', MUL='*') source code
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diff_product(pairs, xdata, order=1, NUMBER='N', SYMBOL='S', ADD=' + ', MUL='*') source code
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diff_repeated(expr, xdata, order)

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is_constant(expr, xdata)

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is_constant_exponent(exp, xdata)

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partial_derivative(func, n)

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Variables

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ADD = ' + '

FACTORS = '*'

MUL = '*'

NUMBER = 'N'

SYMBOL = 'S'

algebra_numbers = (<type 'int'>, <type 'long'>, <class 'sympyc...

cache_factors = {}

cache_generic = {}

inttypes = (<type 'int'>, <type 'long'>)

one = Calculus('1')

zero = Calculus('0')

Function Details

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diff(expr, symbol, order=1)

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call graph

Return derivative of the expression with respect to symbols.

Examples:

expr.diff(x,y) - 2nd derivative with respect to x and y
expr.diff(x,4) is equivalent to expr.diff(x,x,x,x).

Variables Details

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algebra_numbers

Value:

(<type 'int'>,
 <type 'long'>,
 <class 'sympycore.arithmetic.numbers.mpq'>,
 <class 'sympycore.arithmetic.numbers.mpqc'>,
 <class 'sympycore.arithmetic.mpmath.mptypes.mpf'>,
 <class 'sympycore.arithmetic.mpmath.mptypes.mpc'>)

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