Commit ⋅ ketch/nodepy

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@@ -16,8 +16,8 @@

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* Find its radius of absolute monotonicity::

    >>> ssp104.absolute_monotonicity_radius()
    5.999999999949068
    >>> ssp104.absolute_monotonicity_radius() # doctest:+ELLIPSIS
    5.9999999...

* Load a dictionary with many methods::


@@ -2436,7 +2436,7 @@

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indices = "ijklmnpqrstuvwxyz"

def elementary_weight_str_jump(tree,parent_label_index=None,node_label_index=0):
def elementary_weight_str_jump(tree,parent_label_index=None,node_label_index=0,method_type='ERK'):
    """
        Constructs elementary weights for a Runge-Kutta method
        as strings suitable for setting constraints in JuMP.

@@ -2468,10 +2468,13 @@

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    for t in subtrees:
        ret_str += elementary_weight_str_jump(t, node_label_index, node_label_index+1)
    if parent_label_index is None:
    if (parent_label_index is None) or (method_type == 'IRK'):
        ret_str += " for "+nl+" in 1:s)"
    else:
        ret_str += " for "+nl+" in 1:"+pl+")"
        if method_type == 'ERK':
            ret_str += " for "+nl+" in 1:"+pl+"-1)"
        elif method_type == 'DIRK':
            ret_str += " for "+nl+" in 1:"+pl+")"

    return ret_str


@@ -2486,11 +2489,11 @@

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2486	2489		>>> from nodepy import rk, rt
2487	2490		>>> tree = rt.list_trees(5)[3]
2488	2491		>>> rk.elementary_weight_str_matlab(tree)
2489		-	"b'(A(Ac.c))"
	2492	+	"(b'((A((Ac).c))))"
2490	2493		>>> rk.elementary_weight_str_matlab(rt.RootedTree('{T^10}'))
2491		-	"b'*(c.^10)"
	2494	+	"(b'*(c.^10))"
2492	2495		>>> rk.elementary_weight_str_matlab(rt.RootedTree('{{T^11}T}'))
2493		-	"b'(A(c.^11))"
	2496	+	"(b'((A(c.^11))))"
2494	2497		"""
2495	2498		if root:
2496	2499		start = "b'"

@@ -2513,6 +2516,9 @@

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        Constructs Butcher's elementary weights for a Runge-Kutta method
        as strings suitable for numpy execution.

        For MATLAB code or JuMP code, use the corresponding dedicated function
        instead of this one.

        **Examples**:

            >>> from nodepy import rk, rt

@@ -2520,8 +2526,6 @@

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            >>> rk.elementary_weight_str(tree)
            'dot(b,dot(A,c**3))'

            >>> rk.elementary_weight_str(tree,style='matlab')
            "b'*((A*c.^3))"
            >>> rk.elementary_weight_str(rt.RootedTree('{T^10}'))
            'dot(b,c**10)'
            >>> rk.elementary_weight_str(rt.RootedTree('{{T^11}T}'))

Files		•	•	•	Coverage
nodepy	4,654	3,789	0	865	81.41%
Project Totals (21 files)	4,654	3,789	0	865	81.41%

TRAVIS_PYTHON_VERSION=3.5
TRAVIS_OS_NAME=linux

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TRAVIS_PYTHON_VERSION=3.5
TRAVIS_OS_NAME=linux

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2436	2436
2437	2437		indices = "ijklmnpqrstuvwxyz"
2438	2438
2439		-	def elementary_weight_str_jump(tree,parent_label_index=None,node_label_index=0):
	2439	+	def elementary_weight_str_jump(tree,parent_label_index=None,node_label_index=0,method_type='ERK'):
2440	2440		"""
2441	2441		Constructs elementary weights for a Runge-Kutta method
2442	2442		as strings suitable for setting constraints in JuMP.

2468	2468
2469	2469		for t in subtrees:
2470	2470		ret_str += elementary_weight_str_jump(t, node_label_index, node_label_index+1)
2471		-	if parent_label_index is None:
	2471	+	if (parent_label_index is None) or (method_type == 'IRK'):
2472	2472		ret_str += " for "+nl+" in 1:s)"
2473	2473		else:
2474		-	ret_str += " for "+nl+" in 1:"+pl+")"
	2474	+	if method_type == 'ERK':
	2475	+	ret_str += " for "+nl+" in 1:"+pl+"-1)"
	2476	+	elif method_type == 'DIRK':
	2477	+	ret_str += " for "+nl+" in 1:"+pl+")"
2475	2478
2476	2479		return ret_str
2477	2480

2513	2516		Constructs Butcher's elementary weights for a Runge-Kutta method
2514	2517		as strings suitable for numpy execution.
2515	2518
	2519	+	For MATLAB code or JuMP code, use the corresponding dedicated function
	2520	+	instead of this one.
	2521	+
2516	2522		Examples:
2517	2523
2518	2524		>>> from nodepy import rk, rt

2520	2526		>>> rk.elementary_weight_str(tree)
2521	2527		'dot(b,dot(A,c**3))'
2522	2528
2523		-	>>> rk.elementary_weight_str(tree,style='matlab')
2524		-	"b'((Ac.^3))"
2525	2529		>>> rk.elementary_weight_str(rt.RootedTree('{T^10}'))
2526	2530		'dot(b,c**10)'
2527	2531		>>> rk.elementary_weight_str(rt.RootedTree('{{T^11}T}'))

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16	16
17	17		* Find its radius of absolute monotonicity::
18	18
19		-	>>> ssp104.absolute_monotonicity_radius()
20		-	5.999999999949068
	19	+	>>> ssp104.absolute_monotonicity_radius() # doctest:+ELLIPSIS
	20	+	5.9999999...
21	21
22	22		* Load a dictionary with many methods::
23	23

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