Question

Customizing plot layout in LTI viewer
I could swear that I had adjusted the plot layouts in the SISO tool LTI Viewer in the past. It has been a couple of years, but ...

8 years ago | 1 answer | 0

Answered
recover lost simulink file after MATLAB crash
I got them back by simply removing the suffix.

8 years ago | 1

Question

recover lost simulink file after MATLAB crash
I had 2 Simulink models open when MATLAB froze up. I used the TASK MGR to shut down MATLAB since it indicated MATLAB "is not re...

8 years ago | 2 answers | 1

Question

tfest Model Structure and Constraints
I have been using tfest to estimate a transfer function to fit time series data which I have attached to this posting, data.mat....

8 years ago | 1 answer | 0

Question

diff operation generating error Subscript indices must either be real positive integers or logicals
I have a time vector which I have attached in a .mat file. diff(time) generates the following error: Subscript indices must ...

8 years ago | 1 answer | 0

Answered
Estimate Transfer Function Models With Prior Knowledge of Model Structure and Constraints
I found the problem. Apparently scaling the initguess by 1/tau(1)^4 rendered the constraints unrecognizable in the last line of...

8 years ago | 0

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Question

Estimate Transfer Function Models With Prior Knowledge of Model Structure and Constraints
I have followed the example presented within HELP http://www.mathworks.com/help/releases/R2012b/ident/ref/idtf.html to create a ...

8 years ago | 1 answer | 0

Question

Significant figures discrepancy in complex number operations
Attached is my m-file where I take 2 complex numbers X & Y and multiply them by a decaying exponenential, F, & then sum the resu...

8 years ago | 1 answer | 0

Question

MATLAB Activation is complete but launching MATLAB it asks for activation
I have activated my MATLAB R2012b through the ACTIVATE dialog box & it returns ACTIVATION COMPLETE. However, when I go to launc...

9 years ago | 1 answer | 1

Question

Nonlinear system (has anyone seen this equation form?)
Has anyone seen this form of a nonlinear equation with respect to X, but linear with respect to Y & Z? I provided a contour plo...

12 years ago | 0 answers | 0

Question

MATLAB 2012b previously installed on my computer, but-->
Last month I rolled back my WINDOWS 7 system to a previous restore point prior to installation of MATLAB on the computer. That ...

12 years ago | 1 answer | 0

Answered
Display Name associations in the Plot Browser
I have been able to create a cell identified as "colheaders". However, I have not been able to get the "Plot Browser" "Display ...

13 years ago | 0

Question

Display Name associations in the Plot Browser
Currently, the "Display Name" visible in my "Plot Brwser" lists the "Variable Name" along with the associated rows & columns for...

13 years ago | 1 answer | 0