Correct typos caught by Divya Sanghi

ImperialCollegeLondon · Feb 29, 2024 · 6937337 · 6937337
1 parent d8972bb
commit 6937337
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/sharpy/linear/src/lingebm.py b/sharpy/linear/src/lingebm.py
@@ -1477,10 +1477,10 @@ def newmark_ss(M, C, K, dt, num_damp=1e-4, M_is_SPD=False):
                                 \mathbf{f}_n
                             ] \\
         \begin{Bmatrix} 
-            \mathbf{\dot q}_{n} \\
-            \mathbf{\ddot q}_{n} 
+            \mathbf{q}_{n} \\
+            \mathbf{\dot q}_{n}
         \end{Bmatrix}
-        &= \mathbf{x}_n + \mathbf{B_{ss1}} \mathbf{f}_n
+        &= \mathbf{x}_n + \mathbf{A_{ss1}}^{-1}\mathbf{B_{ss1}} \mathbf{f}_n
 
     See also :func:`sharpy.linear.src.libss.SSconv` for more details on the elimination of the term
     multiplying :math:`\mathbf{f}_{n+1}` in the state equation.
@@ -1498,7 +1498,7 @@ def newmark_ss(M, C, K, dt, num_damp=1e-4, M_is_SPD=False):
         \mathbf{B_{ss}} &= \mathbf{A_{ss1}}^{-1}(\mathbf{B_{ss0}} 
                          + \mathbf{A_{ss0}}\mathbf{A_{ss1}}^{-1}\mathbf{B_{ss1}}) \\
         \mathbf{C_{ss}} &= \mathbf{I} \\
-        \mathbf{D_{ss}} &= \mathbf{B_{ss1}}
+        \mathbf{D_{ss}} &= \mathbf{A_{ss1}}^{-1}\mathbf{B_{ss1}}
         
 
     .. admonition:: Notation is used in the code