You are given an implementation of a Vector class, representing the coordinates of a vector in...
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You are given an implementation of a Vector class, representing the coordinates of a vector in a multidimensional space. For example, in a three-dimensional space, we might wish to represent a vector with coordinates <5.-2, 3>. For a detailed explanation of this implementation as well as of the syntax of operator overloading that is used here, please read sections 2.3.2 and 2.3.3 in the textbook (pages 74-78). class Vector: def def _len__(self): def def def def _init__(self, d): self.coords = [0] *d def return len (self.coords) getitem_(self, j): return self.coords[j] setitem_(self, j, val): self.coords [j] = val add_(self, other) : if (len (self) !len (other)): raise ValueError("dimensions must agree") result Vector (len (self)) for j in range (len (self)): result [j] = self[j] + other [j] return result: eq (self, other): return self.coords == other.coords: ne (self, other): return not (self other) def _str_(self): return + str (self.coords) [1:-1] + *> def repr_(self): return str (self) You are given an implementation of a Vector class, representing the coordinates of a vector in a multidimensional space. For example, in a three-dimensional space, we might wish to represent a vector with coordinates <5.-2, 3>. For a detailed explanation of this implementation as well as of the syntax of operator overloading that is used here, please read sections 2.3.2 and 2.3.3 in the textbook (pages 74-78). class Vector: def def _len__(self): def def def def _init__(self, d): self.coords = [0] *d def return len (self.coords) getitem_(self, j): return self.coords[j] setitem_(self, j, val): self.coords [j] = val add_(self, other) : if (len (self) !len (other)): raise ValueError("dimensions must agree") result Vector (len (self)) for j in range (len (self)): result [j] = self[j] + other [j] return result: eq (self, other): return self.coords == other.coords: ne (self, other): return not (self other) def _str_(self): return + str (self.coords) [1:-1] + *> def repr_(self): return str (self)
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Posted Date:
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