{ "name": "Series Solutions", "order": 6, "challenges": [ { "id": "59a5801209a6acac5983b593", "title": "constructing a series solutions ", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a860", "title": "Euler equations", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }