Answered

Failing to create matrix from cell array in several ways

Hi Amit, To subscript into a cell array and return a cell array, use () as with normal array indexing, which should have worked...

Failing to create matrix from cell array in several ways

Hi Amit, To subscript into a cell array and return a cell array, use () as with normal array indexing, which should have worked...

2 months ago | 0

Answered

Maybe a mistake in the documentation of function ''robgain''

Hi Hongrui, I agree that the statement on the doc page for that example is incorrect. At the bottom of the page you can click ...

Maybe a mistake in the documentation of function ''robgain''

Hi Hongrui, I agree that the statement on the doc page for that example is incorrect. At the bottom of the page you can click ...

2 months ago | 1

| accepted

Answered

allmargin gives incorrect answers for some discrete time systems

Hi Carlos, In 2024a, allmargin introduced a new "Focus" input. Check the doc page for more information. As far as I can tell, ...

allmargin gives incorrect answers for some discrete time systems

Hi Carlos, In 2024a, allmargin introduced a new "Focus" input. Check the doc page for more information. As far as I can tell, ...

2 months ago | 0

| accepted

Answered

Using ss2tf when your matrices are variables without values yet

Hi Wynand, For a low-order problem like this, you can use the Symbolic toolbox to evaluate the equtation that computes the tran...

Using ss2tf when your matrices are variables without values yet

Hi Wynand, For a low-order problem like this, you can use the Symbolic toolbox to evaluate the equtation that computes the tran...

2 months ago | 1

Answered

How to convert euler angles to rotation matrix and back to euler angles consistently?

"While I am aware of the intermediate steps, I kind of expected the inbuilt matlab functions to be consistent during the to-and-...

How to convert euler angles to rotation matrix and back to euler angles consistently?

"While I am aware of the intermediate steps, I kind of expected the inbuilt matlab functions to be consistent during the to-and-...

2 months ago | 1

Answered

Invalid setting in 'Model' for parameter 'Gain'.

Hi SM, Try usin the setVariable method in the Simulink.SimuationInput object. function objective_func = F3(x) mdl = "Model"; ...

Invalid setting in 'Model' for parameter 'Gain'.

Hi SM, Try usin the setVariable method in the Simulink.SimuationInput object. function objective_func = F3(x) mdl = "Model"; ...

2 months ago | 0

Question

What is the Image Processing Toolbox Convention for Input to freqz2() ?

I was trying to learn how to use the function freqz2 in the Image Processing Toolbox. That doc page says that the FIR filter inp...

2 months ago | 1 answer | 0

Answered

Combined Discrete-Continuous Simulation In SIMULINK

Hi Sajjad, It sounds like you want to use the feature of the Integrator block for Resetting the State. At every t_i, you can re...

Combined Discrete-Continuous Simulation In SIMULINK

Hi Sajjad, It sounds like you want to use the feature of the Integrator block for Resetting the State. At every t_i, you can re...

2 months ago | 1

Answered

Calculating Power of Specific Spatial Frequencies of pictures

Hi Olivia, The equations for u and v are correct if rows and cols are both even. Otherwise, they'd have to be adjusted. Regard...

Calculating Power of Specific Spatial Frequencies of pictures

Hi Olivia, The equations for u and v are correct if rows and cols are both even. Otherwise, they'd have to be adjusted. Regard...

2 months ago | 0

Answered

choose B or C or D if A does not exist - how to write this?

Create an example structure data.THDA = 1;data.THPP = 2;data.THDP = 3; Use fieldnames to get the fields of data fnames = fiel...

choose B or C or D if A does not exist - how to write this?

Create an example structure data.THDA = 1;data.THPP = 2;data.THDP = 3; Use fieldnames to get the fields of data fnames = fiel...

2 months ago | 0

| accepted

Answered

How to save an output from Simulink into MatLab during different iteration ?

Hi Ronan, Based on the description, there are probably several options, but hard to say specifically becasue we don't know exac...

How to save an output from Simulink into MatLab during different iteration ?

Hi Ronan, Based on the description, there are probably several options, but hard to say specifically becasue we don't know exac...

3 months ago | 0

| accepted

Answered

Bivariate normal value standardization

Hi CJ, In short, the area of integration for the X1 case is no longer a rectangle as is assumed by mvncdf Define the original ...

Bivariate normal value standardization

Hi CJ, In short, the area of integration for the X1 case is no longer a rectangle as is assumed by mvncdf Define the original ...

3 months ago | 0

| accepted

Answered

How do I solve this error in Parameter Setting for 2-D Lookup Table Block in Simulink?

% Create a surrogate model for vehicle longitudinal dynamics % Set model name modelName = 'VehicleLongitudinalSurrogate'; % C...

How do I solve this error in Parameter Setting for 2-D Lookup Table Block in Simulink?

% Create a surrogate model for vehicle longitudinal dynamics % Set model name modelName = 'VehicleLongitudinalSurrogate'; % C...

3 months ago | 1

| accepted

Answered

Application of multistage decimator filter to signal

As shown at designMultistageDecimator, this function retruns a dsp.FilterCascade object M = 48; Fin = 30.72e6*M; Astop = 90; ...

Application of multistage decimator filter to signal

As shown at designMultistageDecimator, this function retruns a dsp.FilterCascade object M = 48; Fin = 30.72e6*M; Astop = 90; ...

3 months ago | 0

Answered

Simulink Model to transfer function via simulink and Matlab

Hi Yuval, What is the setting for the c parameter in the Derivative blocks? If it's the default (inf), those blocks will linea...

Simulink Model to transfer function via simulink and Matlab

Hi Yuval, What is the setting for the c parameter in the Derivative blocks? If it's the default (inf), those blocks will linea...

3 months ago | 0

| accepted

Answered

In Simulink, why do two unrelated modules affect each other?

Even if A and B are not connected, changes in B can causes changes in output of A because those changes in B can affect the step...

In Simulink, why do two unrelated modules affect each other?

Even if A and B are not connected, changes in B can causes changes in output of A because those changes in B can affect the step...

3 months ago | 0

Answered

Create Variable in Simulink block that contains 63 elements.

Hi David, Question is a bit unclear. As shown, it appears the model has 63 separate Sine Wave blocks. That means each time th...

Create Variable in Simulink block that contains 63 elements.

Hi David, Question is a bit unclear. As shown, it appears the model has 63 separate Sine Wave blocks. That means each time th...

3 months ago | 0

| accepted

Answered

Shiftet values of omega in bode plot as result from generating idfrd() and tfest()

If fre is in Hz, then this line frerad = fre.*(pi/180); should be freqrad = fre*2*pi; to convert to rad/sec

Shiftet values of omega in bode plot as result from generating idfrd() and tfest()

If fre is in Hz, then this line frerad = fre.*(pi/180); should be freqrad = fre*2*pi; to convert to rad/sec

3 months ago | 0

| accepted

Answered

Name a dataset that will be used in Simulink

Hi David, The 'unnamed' in that block is the name of the signal, not the dataset. f0 = 60; % Fundamental frequency in Hz samp...

Name a dataset that will be used in Simulink

Hi David, The 'unnamed' in that block is the name of the signal, not the dataset. f0 = 60; % Fundamental frequency in Hz samp...

3 months ago | 1

| accepted

Answered

Poisson CDF output is all one value

Hi Michael, The Poisson Distribution is a distribution of a discrete random variable that takes on only integer values >= 0. Fo...

Poisson CDF output is all one value

Hi Michael, The Poisson Distribution is a distribution of a discrete random variable that takes on only integer values >= 0. Fo...

3 months ago | 0

| accepted

Answered

Struct array with differently sized fields as parameter data for Simulink simulation

Hi Friedrich, Using 2022a (so there might be some updates in this area if using a later version), the Matlab Fucntion block can...

Struct array with differently sized fields as parameter data for Simulink simulation

Hi Friedrich, Using 2022a (so there might be some updates in this area if using a later version), the Matlab Fucntion block can...

3 months ago | 0

| accepted

Answered

Can you create an object in Simulink that can be referenced by multiple MATLAB Fcn blocks?

Hi Roop, If you want to use global data inside Matlab Function blocks, start from Use Global Data in MATLAB Function Blocks to ...

Can you create an object in Simulink that can be referenced by multiple MATLAB Fcn blocks?

Hi Roop, If you want to use global data inside Matlab Function blocks, start from Use Global Data in MATLAB Function Blocks to ...

3 months ago | 0

Answered

Is there a way to log variables from a Matlab Function Block (in Simulink), that is not output?

Here's one option based on the idea of @Aquatris to specify the local variables that you want to log from the Matlab Function as...

Is there a way to log variables from a Matlab Function Block (in Simulink), that is not output?

Here's one option based on the idea of @Aquatris to specify the local variables that you want to log from the Matlab Function as...

3 months ago | 0

| accepted

Answered

how to import parameters (weights and bias) in simulink

Hi Ahmad, To bring fc1, fc2, fc3 and fc4 into the Malab function block as constant parameters, start from Configure MATLAB Fun...

how to import parameters (weights and bias) in simulink

Hi Ahmad, To bring fc1, fc2, fc3 and fc4 into the Malab function block as constant parameters, start from Configure MATLAB Fun...

3 months ago | 1

Answered

Using logicals in arrayfun

rng(100) tempA = rand(10,18); tempB = 1:10; u = arrayfun(@(x,y) x{1}(1:y), num2cell(tempA,2), tempB.', 'UniformOutput', fals...

Using logicals in arrayfun

rng(100) tempA = rand(10,18); tempB = 1:10; u = arrayfun(@(x,y) x{1}(1:y), num2cell(tempA,2), tempB.', 'UniformOutput', fals...

3 months ago | 1

Question

How does Symbolic diff() Operate When the Order of Derivative is Symbolic?

Simple symbolic function syms n integer positive syms x real f(x) = x^n First, second, and sixth (just to check) derivatives...

3 months ago | 1 answer | 0

Answered

How to continually clock in data during a simulation within Simulink

Hi Dan, It appears that the output of the Bit to Integer Conversion block is a scalar, which can be checked by going to Debug -...

How to continually clock in data during a simulation within Simulink

Hi Dan, It appears that the output of the Bit to Integer Conversion block is a scalar, which can be checked by going to Debug -...

3 months ago | 0

Answered

Why such a fuss with ndgrid and meshgrid issues?

Hi Kristoffer, The inputs to griddata that can be in either meshgrid or ndgrid format are the query points in Xq and Yq. I thin...

Why such a fuss with ndgrid and meshgrid issues?

Hi Kristoffer, The inputs to griddata that can be in either meshgrid or ndgrid format are the query points in Xq and Yq. I thin...

3 months ago | 1

Answered

How to add a time delay to a diagonal ss from a reside pole function?

Hi Joan, The problem appears to be with how bodeplot is unwrapping the phase. Here is the original code % Delay problem Ak =...

How to add a time delay to a diagonal ss from a reside pole function?

Hi Joan, The problem appears to be with how bodeplot is unwrapping the phase. Here is the original code % Delay problem Ak =...

3 months ago | 0

| accepted

Answered

how to label the variance decomposition table

Check the doc page collintest and review how to use the VarNames input. Or, instead of pulling all the variables out from data,...

how to label the variance decomposition table

Check the doc page collintest and review how to use the VarNames input. Or, instead of pulling all the variables out from data,...

3 months ago | 1

| accepted