Answered

Does it exist function for a Simulink model related to time (more or less like 'now') ?

Hi Damiano, If you would like to use the "now" functionality in Simulink for simulation purposes, please refer to the followi...

Does it exist function for a Simulink model related to time (more or less like 'now') ?

Hi Damiano, If you would like to use the "now" functionality in Simulink for simulation purposes, please refer to the followi...

4 years ago | 0

Answered

Generating code in the signal analyzer

Hi Barry, The ability to generate MATLAB scripts from Signal Analyzer app is added in R2017b (See the release notes link belo...

Generating code in the signal analyzer

Hi Barry, The ability to generate MATLAB scripts from Signal Analyzer app is added in R2017b (See the release notes link belo...

4 years ago | 1

| accepted

Answered

Retrieve Elevation Data from Web Map Server is not working

Hi Olga, I believe the NASA server has changed recently which is causing this issue. To workaround this, you can try and use ...

Retrieve Elevation Data from Web Map Server is not working

Hi Olga, I believe the NASA server has changed recently which is causing this issue. To workaround this, you can try and use ...

4 years ago | 0

| accepted

Answered

How can I find a good initial guess for Levenberg-Marquardt algorithm?

Hi Ale, I don't believe there is a "correct" answer for finding the initial guess for an optimization problem. It depends on ...

How can I find a good initial guess for Levenberg-Marquardt algorithm?

Hi Ale, I don't believe there is a "correct" answer for finding the initial guess for an optimization problem. It depends on ...

4 years ago | 0

| accepted

Answered

Use of hgtransform with axesm / mapping toolbox

Hi Chris, That lat and lon variables in your code span from [0 30] and [0 20] respectively, as opposed to the actual limits s...

Use of hgtransform with axesm / mapping toolbox

Hi Chris, That lat and lon variables in your code span from [0 30] and [0 20] respectively, as opposed to the actual limits s...

4 years ago | 0

Answered

How to create a multivariate gaussian mixture model??

Hi Akshara, The <https://www.mathworks.com/help/stats/gmdistribution.html#examples gmdistribution> function supports multivar...

How to create a multivariate gaussian mixture model??

Hi Akshara, The <https://www.mathworks.com/help/stats/gmdistribution.html#examples gmdistribution> function supports multivar...

4 years ago | 0

Answered

How to arrange data for time series classification learning

Hi Malte, I believe you will need to pre-process the time series data to extract features for the classification learner. Som...

How to arrange data for time series classification learning

Hi Malte, I believe you will need to pre-process the time series data to extract features for the classification learner. Som...

4 years ago | 0

Answered

Invalid MEX-file error, undefined symbol...

Hi Corey, You should check with the author regarding compatibility with Ubuntu 16.04 and MATLAB R2014a. Mex files are not sup...

Invalid MEX-file error, undefined symbol...

Hi Corey, You should check with the author regarding compatibility with Ubuntu 16.04 and MATLAB R2014a. Mex files are not sup...

4 years ago | 0

| accepted

Answered

Bio-Formats importer and fluorescent video

Hi Douglas, Have you tried using one of the following? <https://www.mathworks.com/help/images/ref/implay.html> <https:/...

Bio-Formats importer and fluorescent video

Hi Douglas, Have you tried using one of the following? <https://www.mathworks.com/help/images/ref/implay.html> <https:/...

4 years ago | 0

Answered

I'm looking for some help in reading a TCX file so that I can null increasing elevation data.

Hi Robin, You can try and use the MATLAB import tool using the "Import Data" button in the Home tab. You can customize the im...

I'm looking for some help in reading a TCX file so that I can null increasing elevation data.

Hi Robin, You can try and use the MATLAB import tool using the "Import Data" button in the Home tab. You can customize the im...

4 years ago | 0

Answered

fzero system of non linear equations

Hi Bastian, Which part of the for loop is more expensive? Have you tried profiling the yfun function? I believe it takes a st...

fzero system of non linear equations

Hi Bastian, Which part of the for loop is more expensive? Have you tried profiling the yfun function? I believe it takes a st...

4 years ago | 0

Answered

How to connect 2 different air stream in simscape pneumatic

Hi Xavier, I don't believe there's a capability to mix two gases. You can calculate the approximate properties manually and ...

How to connect 2 different air stream in simscape pneumatic

Hi Xavier, I don't believe there's a capability to mix two gases. You can calculate the approximate properties manually and ...

4 years ago | 0

Answered

I am trying to use the spectrum analyzer in Simulink to study a distorted signal. However, every time i change the discretization time of the powergui block, it gives me different (a huge difference) results. So how do I choose the sampling time?

Hi Danny, The sampling time for spectrum analysis should ideally be same as the sampling time of the actual signal to be anal...

I am trying to use the spectrum analyzer in Simulink to study a distorted signal. However, every time i change the discretization time of the powergui block, it gives me different (a huge difference) results. So how do I choose the sampling time?

Hi Danny, The sampling time for spectrum analysis should ideally be same as the sampling time of the actual signal to be anal...

4 years ago | 0

| accepted

Answered

Greybox nonlniear estimation model

Hi Imisi, If you already know the dependence of OCV on time, you can definitely pass it as a parameter. However, as time is a...

Greybox nonlniear estimation model

Hi Imisi, If you already know the dependence of OCV on time, you can definitely pass it as a parameter. However, as time is a...

4 years ago | 1

| accepted

Answered

greybox linear model error

Hi Imisi, In your code below function [A,B,C,D] = batteryeq_lin(T1,T2,C1,C2,Cnom,R0,Ts) A=[-1/T1 0 0;0 -1/T2 0;0 0 0]; %...

greybox linear model error

Hi Imisi, In your code below function [A,B,C,D] = batteryeq_lin(T1,T2,C1,C2,Cnom,R0,Ts) A=[-1/T1 0 0;0 -1/T2 0;0 0 0]; %...

4 years ago | 1

| accepted

Answered

In ssm (state space model), how can we indicate the same unknown parameters in coefficients matrix?

Hi Jialin, I understand that you would like to impose constraints on unknown parameters in ssm. You can use the "ParamMap" me...

In ssm (state space model), how can we indicate the same unknown parameters in coefficients matrix?

Hi Jialin, I understand that you would like to impose constraints on unknown parameters in ssm. You can use the "ParamMap" me...

4 years ago | 1

Answered

How can i plot the intensity of each row in an image?

Hi Amelia, I am assuming you have a 2-dimensional Image I. You can directly use the value in the image matrix to plot the int...

How can i plot the intensity of each row in an image?

Hi Amelia, I am assuming you have a 2-dimensional Image I. You can directly use the value in the image matrix to plot the int...

4 years ago | 0

Answered

XML-Import and then finding an attribute and saving it in a matrix

Hi Mueller, I understand that you would like to obtain numbers from a cell string after finding certain pattern in string. Yo...

XML-Import and then finding an attribute and saving it in a matrix

Hi Mueller, I understand that you would like to obtain numbers from a cell string after finding certain pattern in string. Yo...

4 years ago | 0

Answered

Coloring the largest component with different color than others

Hi Sultan, You can use the method below to achieve your use-case. image = zeros(size(biggest,1),size(biggest,2),3); N...

Coloring the largest component with different color than others

Hi Sultan, You can use the method below to achieve your use-case. image = zeros(size(biggest,1),size(biggest,2),3); N...

4 years ago | 1

Answered

How can I draw a circle with centre lines and then rotate it?

You can use the following method to draw lines inside a circle and rotate/translate them. radius = 5; center = [10 15...

How can I draw a circle with centre lines and then rotate it?

You can use the following method to draw lines inside a circle and rotate/translate them. radius = 5; center = [10 15...

4 years ago | 1

| accepted

Answered

How to redefine waypoints for the desired path for the robot?

Hi Arun, I understand that you would like to update the waypoints of the controller during simulation. You can achieve this b...

How to redefine waypoints for the desired path for the robot?

Hi Arun, I understand that you would like to update the waypoints of the controller during simulation. You can achieve this b...

4 years ago | 0

| accepted

Answered

National Instruments USB 6210 does't work in Simulink, Analog Input Block

Hi Uriel, In R2015b, Data Acquisition Toolbox Simulink Blocks support only Legacy Interface, that too on 32-bit MATLAB. You c...

National Instruments USB 6210 does't work in Simulink, Analog Input Block

Hi Uriel, In R2015b, Data Acquisition Toolbox Simulink Blocks support only Legacy Interface, that too on 32-bit MATLAB. You c...

4 years ago | 1

| accepted

Answered

In the antenna tool box, how does the EHfields function calculate the fields?

Hi John, Calculation of E and H fields of an antenna depends on it's properties like geometrical shape, orientation etc. You ...

In the antenna tool box, how does the EHfields function calculate the fields?

Hi John, Calculation of E and H fields of an antenna depends on it's properties like geometrical shape, orientation etc. You ...

4 years ago | 0

Answered

Object correct labeling when it is within another object

You can use the function "inpolygon" to check if one polygon lies inside the other. <http://www.mathworks.com/help/matlab/re...

Object correct labeling when it is within another object

You can use the function "inpolygon" to check if one polygon lies inside the other. <http://www.mathworks.com/help/matlab/re...

4 years ago | 0

Answered

ncdisp displays the netcdf file but cannot open with netcdf.open

Hi MelMo, It looks like the error is generated by the command "netcdf.getVar" function at line 9 of "tryingnetcdffiles" scrip...

ncdisp displays the netcdf file but cannot open with netcdf.open

Hi MelMo, It looks like the error is generated by the command "netcdf.getVar" function at line 9 of "tryingnetcdffiles" scrip...

4 years ago | 1

Answered

Read rotary encoder data from Arduino

You can use the functions like <https://www.mathworks.com/help/supportpkg/arduinoio/ref/readdigitalpin.html readDigitalPin> to ...

Read rotary encoder data from Arduino

You can use the functions like <https://www.mathworks.com/help/supportpkg/arduinoio/ref/readdigitalpin.html readDigitalPin> to ...

4 years ago | 0

Answered

Import Avi Files into Matlab on Mac

I think MATLAB relies on Platform APIs to read a file using VideoFileReader. If Quick Time can't open the file on your macOS, yo...

Import Avi Files into Matlab on Mac

I think MATLAB relies on Platform APIs to read a file using VideoFileReader. If Quick Time can't open the file on your macOS, yo...

4 years ago | 0

| accepted

Answered

Fitting a Step/Stair Function to data...

Hi Kylie, You can follow the approach presented in this File-exchange submission to fit curves to data with a sudden discont...

Fitting a Step/Stair Function to data...

Hi Kylie, You can follow the approach presented in this File-exchange submission to fit curves to data with a sudden discont...

4 years ago | 0

Answered

Removal of RT_MODEL variables in code generation

Hi byungkeuk, Code Reusability allows you to receive model data by function arguments. To do so, it creates a real time model...

Removal of RT_MODEL variables in code generation

Hi byungkeuk, Code Reusability allows you to receive model data by function arguments. To do so, it creates a real time model...

4 years ago | 1

Answered

How to use OpenCV in a C++ S-Function?

Hi Saul, The OpenCV Interface allows you to call OpenCV functions with mxArray. In a Simulink C-Mex S-function, real_T is bas...

How to use OpenCV in a C++ S-Function?

Hi Saul, The OpenCV Interface allows you to call OpenCV functions with mxArray. In a Simulink C-Mex S-function, real_T is bas...

4 years ago | 1