Feat(Core): Change default str function for MO

mapytex/calculus/core/compute/minus.py

@@ -47,35 +47,25 @@ def mofraction(_, right):
 
     >>> a = MOFraction(6, 5)
     >>> print(minus(None, a))
-    -
-     > None
-     > /
-     | > 6
-     | > 5
+    - 6 / 5
 
     The fraction is negative
 
     >>> a = MOFraction(6, 5, True)
     >>> print(minus(None, a))
-    /
-     > 6
-     > 5
+    6 / 5
 
     Numerator is negative
 
     >>> a = MOFraction(-6, 5)
     >>> print(minus(None, a))
-    /
-     > 6
-     > 5
+    6 / 5
 
     Denominators is negative
 
     >>> a = MOFraction(6, -5)
     >>> print(minus(None, a))
-    /
-     > 6
-     > 5
+    6 / 5
     """
     if right.negative:
         return MOFraction(right._numerator, right._denominator)
@@ -101,9 +91,7 @@ def mostr(_, right):
     :example:
     >>> x = MOstr("x")
     >>> print(minus(None, x))
-    *
-     > -1
-     > x
+    - x
     """
     return MOMonomial(-1, right)
 
@@ -114,11 +102,7 @@ def mostrpower(_, right):
     :example:
     >>> x2 = MOstrPower("x", 2)
     >>> print(minus(None, x2))
-    *
-     > -1
-     > ^
-     | > x
-     | > 2
+    - x^2
     """
     return MOMonomial(-1, right.variable, right.power)
 
@@ -129,11 +113,7 @@ def momonomial(_, right):
     :example:
     >>> tx2 = MOMonomial(3, "x", 2)
     >>> print(minus(None, tx2))
-    *
-     > -3
-     > ^
-     | > x
-     | > 2
+    - 3x^2
     """
     try:
         return MOMonomial(-right.coefficient.value, right.variable, right.power)
@@ -148,17 +128,7 @@ def mopolynomial(_, right):
     :example:
     >>> P = MOpolynomial('x', [1, -2, 3])
     >>> print(minus(None, P))
-    +
-     > *
-     | > -3
-     | > ^
-     | | > x
-     | | > 2
-     > +
-     | > *
-     | | > 2
-     | | > x
-     | > -1
+    - 3x^2 + 2x - 1
     """
     neg_coefs = {p: -c.value for (p, c) in right.coefficients.items()}
     return MOpolynomial(right.variable, neg_coefs)