typos

doc/src/Linalg/Linalg.do.txt

@@ -291,6 +291,23 @@ print(Eigvals)
 !ec
 
 
+!bc pycod
+import numpy as np
+import matplotlib.pyplot as plt
+from scipy import sparse
+eye = np.eye(4)
+print(eye)
+sparse_mtx = sparse.csr_matrix(eye)
+print(sparse_mtx)
+x = np.linspace(-10,10,100)
+y = np.sin(x)
+plt.plot(x,y,marker='x')
+plt.show()
+!ec
+
+
+
+
 !split
 ===== Matrix Handling in C/C++, Static and Dynamical allocation =====