Feat(Compute): Start add MO to create MOpolynomial

mapytex/calculus/core/MO/monomial.py

@@ -114,15 +114,21 @@ class MOMonomial(MO):
         self._power = _power
 
         if self._power == 1:
-            _tree = Tree("*",
-                        self._coefficient,
-                        self._variable
-                        )
+            if self._coefficient == 1:
+                _tree = self._variable
+            else:
+                _tree = Tree("*",
+                             self._coefficient,
+                             self._variable
+                             )
         else:
-            _tree = Tree("*",
-                        self._coefficient,
-                        MOstrPower(self._variable, self._power)
-                        )
+            if self._coefficient == 1:
+                _tree = MOstrPower(self._variable, self._power)
+            else:
+                _tree = Tree("*",
+                             self._coefficient,
+                             MOstrPower(self._variable, self._power)
+                             )
 
         MO.__init__(self, _tree)
 

mapytex/calculus/core/MO/polynomial.py

@@ -33,6 +33,8 @@ class MOpolynomial(MO):
         <MOpolynomial 3x^2 + 2x + 1>
         >>> MOpolynomial('x', {0: 1, 3: 4})
         <MOpolynomial 4x^3 + 1>
+        >>> MOpolynomial('x', {0: 1, 3: 1})
+        <MOpolynomial x^3 + 1>
 
 
         """