Question

How Does SeriesIndex Work with LineStyleOrder?
My interpretation of SeriesIndex is that it controls the color and style of a line based on the ColorOrder and the LineStyleOrde...

1 year ago | 1 answer | 1

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Solve more complex problems in matlab
Modifying the approach from the question, using solve seems to work fine. syms x m real eq = (m-2)*x^2-3*m*x+(m+2) == 0; eq_r...

1 year ago | 0

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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 years ago | 0

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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 years ago | 1

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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 years ago | 0

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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 years ago | 1

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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 years ago | 2

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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 years 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 years ago | 1 answer | 0

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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 years ago | 1

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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 years ago | 0

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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 years ago | 0

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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...

2 years ago | 0

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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 ...

2 years ago | 0

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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...

2 years ago | 1

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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; ...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years ago | 0

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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...

2 years ago | 0

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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 ...

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years ago | 1

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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...

2 years 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...

2 years ago | 1 answer | 0

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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 -...

2 years ago | 0

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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...

2 years ago | 1