Added control systems toolbox for tf function.

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
         uses: matlab-actions/setup-matlab@v2
         with:
           release: ${{ matrix.MATLABVersion }}
-          products: MATLAB Simulink Simscape DSP_System_Toolbox Simscape_Electrical Symbolic_Math_Toolbox
+          products: MATLAB Simulink Simscape DSP_System_Toolbox Simscape_Electrical Symbolic_Math_Toolbox Control_System_Toolbox
           # List required products above in the format shown (and uncomment them)
           # List of product strings:
           # Simulink

README.md

@@ -48,7 +48,7 @@ Ensure you have all the required products (listed below) installed. If you need
 
 ## Products
 
- *MATLAB* is used throughout. Tools from *Simulink®, Simscape, Simscape Electrical™, and DSP System Toolbox™* are used frequently as well. *Symbolic Math Toolbox™* is used as well for the [!syms](https://www.mathworks.com/help/symbolic/syms.html) function.
+ *MATLAB* is used throughout. Tools from *Simulink®, Simscape, Simscape Electrical™, and DSP System Toolbox™* are used frequently as well. *Symbolic Math Toolbox™* is used as well for the [syms](https://www.mathworks.com/help/symbolic/syms.html) function and *Control System Toolbox™* is used for the [tf](https://www.mathworks.com/help/releases/R2024b/control/ref/tf.html?overload=tf+false) function.
 
 
 # Scripts