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Answered
What are the signs that my parameter estimator is on the right track before convergence?
Hi @YASSER In MATLAB, a 'NaN' result is primarily produced when there are indeterminate operations, such as Inf/Inf or 0/0. A s...
What are the signs that my parameter estimator is on the right track before convergence?
Hi @YASSER In MATLAB, a 'NaN' result is primarily produced when there are indeterminate operations, such as Inf/Inf or 0/0. A s...
22 hours ago | 0
Answered
Understanding continuous integrator blocks in Simulink
Hi @C I don't what is the mathematical 'C' function in your differential equation. If the derivative function is unavailable, b...
Understanding continuous integrator blocks in Simulink
Hi @C I don't what is the mathematical 'C' function in your differential equation. If the derivative function is unavailable, b...
24 hours ago | 1
Answered
Problem with ramp change in waveforms
You can force the signal to 'jump' instantly at the point of discontinuity by using the sign function.
Problem with ramp change in waveforms
You can force the signal to 'jump' instantly at the point of discontinuity by using the sign function.
3 days ago | 0
Answered
I am trying to incorporate multiple IF statements in my ODE to generate a single output.
Hi @Christopher Based on your definitions of the four cases in this comment and @Walter Roberson's input, we can run the simula...
I am trying to incorporate multiple IF statements in my ODE to generate a single output.
Hi @Christopher Based on your definitions of the four cases in this comment and @Walter Roberson's input, we can run the simula...
4 days ago | 1
| accepted
Answered
I haven't defined syms x but solve function gives me values depend on x
Hi @Cahit Semih Do you have any updates regarding your optimization efforts? The following solution is derived from your eigen...
I haven't defined syms x but solve function gives me values depend on x
Hi @Cahit Semih Do you have any updates regarding your optimization efforts? The following solution is derived from your eigen...
5 days ago | 0
Answered
how to repeat a code until a certain input has been recieved
Hi @zach Here is a simple example estimate the value of using the while loop to infinitely repeat the execution of instruction...
how to repeat a code until a certain input has been recieved
Hi @zach Here is a simple example estimate the value of using the while loop to infinitely repeat the execution of instruction...
6 days ago | 0
| accepted
Answered
How does the expfit function... functions
This is most likely because the expfit() function does not belong to the Curve Fitting Toolbox. Furthermore, the function is mor...
How does the expfit function... functions
This is most likely because the expfit() function does not belong to the Curve Fitting Toolbox. Furthermore, the function is mor...
6 days ago | 0
Answered
Fuzzy Logic Controller Block in Simulink Doesn't Show Two Inputs
Hi @ali If there is more than one input, you need to use the Mux block to combine the input signals into a virtual signal vecto...
Fuzzy Logic Controller Block in Simulink Doesn't Show Two Inputs
Hi @ali If there is more than one input, you need to use the Mux block to combine the input signals into a virtual signal vecto...
10 days ago | 0
| accepted
Answered
Can MATLAB handle Fuzzy Derivatives and plotting in Fuzzy Logic contexts?
Hi @salim You can certainly recommend the Fuzzy Logic Toolbox to your friend. However, the toolbox is primarily focused on the ...
Can MATLAB handle Fuzzy Derivatives and plotting in Fuzzy Logic contexts?
Hi @salim You can certainly recommend the Fuzzy Logic Toolbox to your friend. However, the toolbox is primarily focused on the ...
11 days ago | 1
| accepted
Answered
Tips for solving Matrix/Linear Algebra Problems with matlab
Hi @Annie RLC Circuit analysis typically involves a dynamic system. Thus, you will need to model it in the form of a differenti...
Tips for solving Matrix/Linear Algebra Problems with matlab
Hi @Annie RLC Circuit analysis typically involves a dynamic system. Thus, you will need to model it in the form of a differenti...
12 days ago | 0
| accepted
Answered
given the function f(x)=X^3 - 6X^2+9X. Find the first derivative of the function of f(x)
You can use the first derivative formula from Larson/Edwards Calculus of a Single Variable textbook. For more info, please look...
given the function f(x)=X^3 - 6X^2+9X. Find the first derivative of the function of f(x)
You can use the first derivative formula from Larson/Edwards Calculus of a Single Variable textbook. For more info, please look...
12 days ago | 0
Answered
How to create .fis file with 2042 numerical values as input for a fuzzy system
Hi @karthika gurusamy A FIS file (*.fis) can only be created when saving the fuzzy inference system (FIS) object to the current...
How to create .fis file with 2042 numerical values as input for a fuzzy system
Hi @karthika gurusamy A FIS file (*.fis) can only be created when saving the fuzzy inference system (FIS) object to the current...
13 days ago | 0
Answered
What should I do if I get "Error: Invalid FIS. PARAMS field of constant output MF must contain a scalar"
Hi @Nithya Kancherla and @Iman Ansari The conclusion part of the Sugeno If–Then inference does not have the typical output memb...
What should I do if I get "Error: Invalid FIS. PARAMS field of constant output MF must contain a scalar"
Hi @Nithya Kancherla and @Iman Ansari The conclusion part of the Sugeno If–Then inference does not have the typical output memb...
13 days ago | 0
Answered
What should I do if I get "Error: Specified FIS file contains invalid type-1 membership function"
Hi @alper demir This error most likely indicates that your FIS file may have been corrupted for an unknown reason when the modi...
What should I do if I get "Error: Specified FIS file contains invalid type-1 membership function"
Hi @alper demir This error most likely indicates that your FIS file may have been corrupted for an unknown reason when the modi...
13 days ago | 0
Answered
What should I do if I get "Error in ruleview"
This error most likely indicates that your fuzzy system is either incorrectly designed or may have been corrupted due to incorre...
What should I do if I get "Error in ruleview"
This error most likely indicates that your fuzzy system is either incorrectly designed or may have been corrupted due to incorre...
13 days ago | 0
Answered
How to design a Fuzzy System for the Fuzzy Relation (A∪C)∩(B∪D)
Hi @Johnson Obari The response is a bit late, but this is an interesting problem. If you use three fuzzy sets for each of the f...
How to design a Fuzzy System for the Fuzzy Relation (A∪C)∩(B∪D)
Hi @Johnson Obari The response is a bit late, but this is an interesting problem. If you use three fuzzy sets for each of the f...
13 days ago | 0
Answered
I am having trouble getting the engine speed to 0 rpm when simulating a series hybrid vehicle controller.
Hi @Thang The Simulink file contains many components, including blocks from Stateflow and Simscape. Could you provide the same ...
I am having trouble getting the engine speed to 0 rpm when simulating a series hybrid vehicle controller.
Hi @Thang The Simulink file contains many components, including blocks from Stateflow and Simscape. Could you provide the same ...
15 days ago | 0
Answered
How to write nonlinear optimisation model with multiple constraints with triangular fuzzy number data
Hi @Rajkumar Verma Most parts of the code function correctly. However, you need to test it by inputting desired values into the...
How to write nonlinear optimisation model with multiple constraints with triangular fuzzy number data
Hi @Rajkumar Verma Most parts of the code function correctly. However, you need to test it by inputting desired values into the...
15 days ago | 0
Answered
Solving math by equal
Hi @cong In my previous answer, the margin() function cannot accurately determine the phase margin because there are three gain...
Solving math by equal
Hi @cong In my previous answer, the margin() function cannot accurately determine the phase margin because there are three gain...
15 days ago | 0
| accepted
Answered
How can i draw this plot?
Hi @S AsZ Perhaps try this: https://www.mathworks.com/help/matlab/ref/colormap.html#buc3wsn-1-map sphere(100) colormap coppe...
How can i draw this plot?
Hi @S AsZ Perhaps try this: https://www.mathworks.com/help/matlab/ref/colormap.html#buc3wsn-1-map sphere(100) colormap coppe...
16 days ago | 0
| accepted
Answered
Solving math by equal
Hi @cong You can assign a value to K, compute the transfer function G(s), and then use the margin(G) command to find the phase ...
Solving math by equal
Hi @cong You can assign a value to K, compute the transfer function G(s), and then use the margin(G) command to find the phase ...
16 days ago | 1
Answered
Optimization_Toolbox使用问题
Hi @蒙恩 You can use the distances() function as the alternative. W = [.41 .99 .51 .32 .15 .45 .38 .32 .36 .29 .21]; DG = sp...
Optimization_Toolbox使用问题
Hi @蒙恩 You can use the distances() function as the alternative. W = [.41 .99 .51 .32 .15 .45 .38 .32 .36 .29 .21]; DG = sp...
16 days ago | 1
Answered
Optimization_Toolbox使用问题
Hi @蒙恩 This graphallshortestpaths command has been removed since R2022b.
Optimization_Toolbox使用问题
Hi @蒙恩 This graphallshortestpaths command has been removed since R2022b.
16 days ago | 1
Answered
How to get an output value for a Mamdani fuzzy system using evalfis() command
It is likely simpler than you have anticipated if you design the Mamdani system correctly according to mathematical reasoning pr...
How to get an output value for a Mamdani fuzzy system using evalfis() command
It is likely simpler than you have anticipated if you design the Mamdani system correctly according to mathematical reasoning pr...
17 days ago | 0
Answered
How to design a fuzzy decision-making framework for a HVAC system incorporating 'Is Any' logic
In boolean logic, "is any" represents a conditional statement where if at least one condition within a set is true, the overall ...
How to design a fuzzy decision-making framework for a HVAC system incorporating 'Is Any' logic
In boolean logic, "is any" represents a conditional statement where if at least one condition within a set is true, the overall ...
18 days ago | 0
Answered
How to improve the simulation speed of a system slowed by the addition of a Fuzzy System
Hi @Ahmed Alshamrany If your fuzzy system is of the Mamdani type (as is the case for 99% of beginner users), and it has many in...
How to improve the simulation speed of a system slowed by the addition of a Fuzzy System
Hi @Ahmed Alshamrany If your fuzzy system is of the Mamdani type (as is the case for 99% of beginner users), and it has many in...
18 days ago | 0
Answered
How to generate 2-D Lookup Table data for a 3-Output Fuzzy Logic System
Hi @Aditya Gandhi The code in your image is flawed, as it should have used 'LookUpTableData(j,i)' instead of 'LookUpTableData(...
How to generate 2-D Lookup Table data for a 3-Output Fuzzy Logic System
Hi @Aditya Gandhi The code in your image is flawed, as it should have used 'LookUpTableData(j,i)' instead of 'LookUpTableData(...
18 days ago | 0
Answered
How to make ANFIS fuzzy system to produce exact binary outputs (0 or 1)
Hi @Dhandapani.S It appears you are concerned that ANFIS may not be suitable for your needs, particularly if you require exact ...
How to make ANFIS fuzzy system to produce exact binary outputs (0 or 1)
Hi @Dhandapani.S It appears you are concerned that ANFIS may not be suitable for your needs, particularly if you require exact ...
18 days ago | 0
Answered
How to extract Fuzzy Rules from Data and determine their adequacy for classification
Hi @eman If the data size is relatively small and non-chaotic, then both tunefis() and anfis() algorithms can be used to to unc...
How to extract Fuzzy Rules from Data and determine their adequacy for classification
Hi @eman If the data size is relatively small and non-chaotic, then both tunefis() and anfis() algorithms can be used to to unc...
18 days ago | 0
Answered
How to resolve the error: the variable fuzout(1,i) cannot save fuzout = evalfis(fis, trainin)
Hi @redha wassim brahimi I am revisiting the problem after nearly three years. I created dummy data and resolved the issue invo...
How to resolve the error: the variable fuzout(1,i) cannot save fuzout = evalfis(fis, trainin)
Hi @redha wassim brahimi I am revisiting the problem after nearly three years. I created dummy data and resolved the issue invo...
19 days ago | 0
