diff --git a/Source Code - Seals/process/__pycache__/__init__.cpython-38.pyc b/Source Code - Seals/process/__pycache__/__init__.cpython-38.pyc
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diff --git a/Source Code - Seals/process/__pycache__/process.cpython-38.pyc b/Source Code - Seals/process/__pycache__/process.cpython-38.pyc
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diff --git a/Source Code - Seals/process/process.py b/Source Code - Seals/process/process.py
index 968cd9c..a9a1de1 100644
--- a/Source Code - Seals/process/process.py	
+++ b/Source Code - Seals/process/process.py	
@@ -44,8 +44,48 @@ def identity(matrix):
         
     return matrix
 
-def gauss(matrix):
+def gauss(a):
     
+    for i in range(a.shape[0]):
+
+        k = i + 1
+
+        while (k<a.shape[0]):
+
+            l = 1
+            while (a[i][i] == 0 and l < a.shape[0]):
+
+                temp = a[i].copy()
+                a[i] = a[i+l]
+                a[i+l] = temp
+
+                l += 1
+            
+            if (a[k][i] == 0):
+                while (k < a.shape[0]):
+                    k += 1
+                
+            else:
+
+                a[k] = a[k] - (a[k][i]/a[i][i])*a[i]
+                k += 1
+
+        i += 1
+
+    x = np.zeros(a.shape[0])
+
+    for j in reversed(range(x.shape[0])):
+        
+        suma = 0
+        for k in range (j,a.shape[0]):
+            suma += a[j][k]*x[k]
+        x[j] = (a[j][a.shape[0]] - suma)/a[j][j]
+    
+    return x
+
+def inverse(matrix):
+    
+    matrix = np.hstack(matrix,np.identity(matrix.shape[0]))
     i = 0
     k = 0
     
@@ -65,7 +105,7 @@ def gauss(matrix):
         
         while (k < matrix.shape[0]):
             
-            if (k == i) or (matrix[i][i] == 0):
+            if (k == i) or (matrix[k][i] == 0) or (matrix[i][i] == 0):
                 
                 k += 1
                 
@@ -87,10 +127,6 @@ def gauss(matrix):
     
     return matrix[:,(matrix.shape[0]):]
 
-def inverse(matrix):
-    
-    return gauss(np.hstack((matrix, identity(np.zeros(matrix.shape)))))
-
 def cholesky(A, b):
     
     g = np.zeros((A.shape))
diff --git a/yoshi-seals1.3.3/Seals/scan/__pycache__/__init__.cpython-38.pyc b/yoshi-seals1.3.3/Seals/scan/__pycache__/__init__.cpython-38.pyc
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index 0000000..e2911f9
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diff --git a/yoshi-seals1.3.3/Seals/scan/__pycache__/scan.cpython-38.pyc b/yoshi-seals1.3.3/Seals/scan/__pycache__/scan.cpython-38.pyc
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index 0000000..bc6dd0d
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diff --git a/yoshi-seals1.3.3/Seals/scan/scan.py b/yoshi-seals1.3.3/Seals/scan/scan.py
index 07c5cbd..e11a418 100644
--- a/yoshi-seals1.3.3/Seals/scan/scan.py
+++ b/yoshi-seals1.3.3/Seals/scan/scan.py
@@ -20,18 +20,12 @@
 import numpy as np
 import pandas as pd
 
-def numpy(path, sep=None, decimal=None):
+def numpy(path, sep=None):
 
     if sep is None:
         sep = ","
 
-    if decimal is None:
-        decimal = "."
-
-    df=pd.read_csv(path, sep=sep, decimal=decimal, header=None)
-    array = df.to_numpy()
-
-    return array
+    return np.genfromtxt(path, delimiter=sep)
 
 def pandas(path, sep=None, decimal=None):
 
diff --git a/yoshi-seals1.3.3/Seals/write/__init__.py b/yoshi-seals1.3.3/Seals/write/__init__.py
index 90f152d..4622dad 100644
--- a/yoshi-seals1.3.3/Seals/write/__init__.py
+++ b/yoshi-seals1.3.3/Seals/write/__init__.py
@@ -17,5 +17,8 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-from .write import numpy as np
-from .write import pandas as pd
\ No newline at end of file
+from .write import numpy
+from .write import pandas
+
+np = numpy()
+pd = pandas()
diff --git a/yoshi-seals1.3.3/Seals/write/__pycache__/__init__.cpython-38.pyc b/yoshi-seals1.3.3/Seals/write/__pycache__/__init__.cpython-38.pyc
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index 0000000..29386bc
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diff --git a/yoshi-seals1.3.3/Seals/write/__pycache__/write.cpython-38.pyc b/yoshi-seals1.3.3/Seals/write/__pycache__/write.cpython-38.pyc
new file mode 100644
index 0000000..995f60f
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diff --git a/yoshi-seals1.3.3/Seals/write/write.py b/yoshi-seals1.3.3/Seals/write/write.py
index b9bd1e9..632928e 100644
--- a/yoshi-seals1.3.3/Seals/write/write.py
+++ b/yoshi-seals1.3.3/Seals/write/write.py
@@ -18,16 +18,34 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import csv
+import numpy as np
+import pandas as pd
 
-def numpy(array, path):
+class numpy:
 
-    with open(path, mode='w') as sistema_linear:
+    def __init__(self):
+        pass
+    def csv(self, array, path):
 
-        solution_writer = csv.writer(sistema_linear, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
-        solution_writer.writerows(array)
-        
-    return array
+        with open(path, mode='w') as sistema_linear:
 
-def pandas(df, path):
-    
-    df.to_csv(path)
\ No newline at end of file
+            solution_writer = csv.writer(sistema_linear, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
+            solution_writer.writerows(array)
+
+    def txt(self, array, path):
+
+        np.savetxt(path, array, fmt='%8f', delimiter=' ', \
+            newline='\n', header='', footer='', comments='# ', encoding=None)
+
+class pandas:
+
+    def __init__(self):
+        pass
+    def csv(self, df, path):
+
+        df.to_csv(path)
+
+    def txt(self, df, path):
+
+        np.savetxt(path, df.values, fmt='%8f', delimiter=' ', \
+            newline='\n', header='', footer='', comments='# ', encoding=None)