Control System Toolbox Support

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Technical Support Examples
How do I use the LEGO® Mindstorms® NXT robot in the Simulink® environment?
How can I make the settling time or rise time automatically display when using the STEP function from the Control Systems Toolbox?
How can I use the functions from the Optimization Toolbox with Simulink?
How do I find the Step Response of a system to a an input that is not a Unit Step?
How do I obtain the stability of a MIMO system in Simulink?
How can I have a Transfer Function with delays in a Simulink model using Simulink 4.1 (R12.1)?
How do I remove the title and ylabel for a nyquist or bode plot in MATLAB 5.3?
How should I find the Cholesky factorization of the gramian in MATLAB?
How can I obtain the numerator and denominator values from an LTI object in the Control Systems Toolbox 5.2 (R13)?
Why do I receive an Invalid MEX-File error when using the C2D command in Control System Toolbox 8.0(R2007a) on Mac Tiger?
Does the input matrix R in the CARE function have to non-singular? How do I solve Ricatti equation with a singular R in Control System Toolbox?
Why am I getting an error when using the RLOCUS function to find the root locus of my system when using the Control System Toolbox 5.1 (R12.1)?
Why does the CANON function error out saying my system is uncontrollable, whereas it actually is controllable?
Why is the discrete approximation of a continuous system less accurate using the C2D function with a smaller sample time step?
How can I create a root locus plot with additionally highlighted poles for certain gain factors using RLOCUS or RLOCUSPLOT?
Why do I get different results when I use the BANDWIDTH and FREQRESP functions in Control System Toolbox 8.3 (R2009a)?
How does the IMPULSE function select the time sample points to compute impulse response?
Does MODRED effect the order of states in my state space Control System Toolbox 8.3 (R2009a)?
Why do I obtain different resultant transfer functions when I perform arithmetic on TF objects with different but equivalent methods with Control System Toolbox 8.0.1 (R2007b)?
How can I create a legend, turn on grid, or perform other additions on an LTI viewer programmatically in MATLAB 7.8 (R2009a)?
Why does the FEEDBACK function yield incorrect results when in the Control System toolbox 8.2 (R2008b)?

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