Answered

Real Time Low Pass Filtering

All digital filters working in real time must have some delay, this is a law of filtering in general. The amount of delay depen...

Real Time Low Pass Filtering

All digital filters working in real time must have some delay, this is a law of filtering in general. The amount of delay depen...

1 year ago | 0

Answered

Image analysis for speckle pattern

It is possible, try looking over this example: https://www.mathworks.com/help/images/correcting-nonuniform-illumination.html ...

Image analysis for speckle pattern

It is possible, try looking over this example: https://www.mathworks.com/help/images/correcting-nonuniform-illumination.html ...

1 year ago | 0

Answered

How to break data in to groups using while loop?

Even better, use the vectorization features in Matlab to count NaNs in each row all at once. nanCounts = sum(isnan(matrix),1); ...

How to break data in to groups using while loop?

Even better, use the vectorization features in Matlab to count NaNs in each row all at once. nanCounts = sum(isnan(matrix),1); ...

1 year ago | 0

Answered

Replacing specific block with subsystems

Here is one way. I think you would just use a constant block rather than From Workspace because From Workspace is looking to us...

Replacing specific block with subsystems

Here is one way. I think you would just use a constant block rather than From Workspace because From Workspace is looking to us...

1 year ago | 0

| accepted

Answered

I need to know how to use the for command to calculate y=2/x

x = 1:10; y = 2 ./ x;

I need to know how to use the for command to calculate y=2/x

x = 1:10; y = 2 ./ x;

1 year ago | 0

Answered

How do I re-use values calculated in a while loop?

Theta1 and Theta2 have not been defined and given a value at the first reference. You should assign an initial value to Theta1 ...

How do I re-use values calculated in a while loop?

Theta1 and Theta2 have not been defined and given a value at the first reference. You should assign an initial value to Theta1 ...

1 year ago | 0

Answered

How do i find the RGB values of color image in range 1 to 255

If the image is stored in MATLAB as a three dimensional array, which is the usual, then the red/green/blue channel is the third ...

How do i find the RGB values of color image in range 1 to 255

If the image is stored in MATLAB as a three dimensional array, which is the usual, then the red/green/blue channel is the third ...

1 year ago | 0

Answered

How to create these shapes in Matlab

Where is the m-file referenced in the problem statement? That would probably help on some of the coding structure questions. Y...

How to create these shapes in Matlab

Where is the m-file referenced in the problem statement? That would probably help on some of the coding structure questions. Y...

1 year ago | 1

| accepted

Answered

Measurement of properties from Tiff image

If you are using the Image Processing Toolbox then you are probably trying to use the regionprops function with the "Area" prope...

Measurement of properties from Tiff image

If you are using the Image Processing Toolbox then you are probably trying to use the regionprops function with the "Area" prope...

1 year ago | 0

Answered

Not able to use the if condition as desired in simulink

You need to use the "if action" subsystem along with the "if". See the example in the documentation: https://www.mathworks.com...

Not able to use the if condition as desired in simulink

You need to use the "if action" subsystem along with the "if". See the example in the documentation: https://www.mathworks.com...

1 year ago | 0

| accepted

Answered

How to copy 30K images from folder to another according to the names in train and test text listes

Use copyfile to copy a file to a new location. You could probably use arrayfun to more quickly add the full file path to the fi...

How to copy 30K images from folder to another according to the names in train and test text listes

Use copyfile to copy a file to a new location. You could probably use arrayfun to more quickly add the full file path to the fi...

1 year ago | 0

Answered

Finding average data from a large data matrix

An index vector over the available columns would work well here. Cannot be sure without a complete example of the data. Then p...

Finding average data from a large data matrix

An index vector over the available columns would work well here. Cannot be sure without a complete example of the data. Then p...

1 year ago | 0

| accepted

Answered

Coalesce data from 1000 monte Carlo simulations with different data file lengths?

With the data import tool you can generate a function like this. It needs some editing to handle some of the odd formatting of ...

Coalesce data from 1000 monte Carlo simulations with different data file lengths?

With the data import tool you can generate a function like this. It needs some editing to handle some of the odd formatting of ...

2 years ago | 0

Answered

Avoid a "loop for" to add multiple "datetime" elements to a cell array

If you can make is an N by 1 cell array and do the assignment using parenthesis indexing and num2cell, then convert that to the ...

Avoid a "loop for" to add multiple "datetime" elements to a cell array

If you can make is an N by 1 cell array and do the assignment using parenthesis indexing and num2cell, then convert that to the ...

2 years ago | 0

Answered

Create Integral, Differential, timer and counter blocks from basic blocks in simulink

You can use a Memory block, subtraction block, and gain block to approximate a differentiator, implementing the equation dx/dt =...

Create Integral, Differential, timer and counter blocks from basic blocks in simulink

You can use a Memory block, subtraction block, and gain block to approximate a differentiator, implementing the equation dx/dt =...

2 years ago | 0

Answered

How to make the flow diagram with if or any hint in Simulink?

A Stateflow chart is usually the best way to model a state diagram in Simulink. Try following the Stateflow Onramp training too...

How to make the flow diagram with if or any hint in Simulink?

A Stateflow chart is usually the best way to model a state diagram in Simulink. Try following the Stateflow Onramp training too...

2 years ago | 0

Answered

How to get the equation of irradiance varying in time for a PV model under partial shading conditions?

Simulink has a 2D lookup table block with various options for interpolation, extrapolation, and fitting. With the two inputs be...

How to get the equation of irradiance varying in time for a PV model under partial shading conditions?

Simulink has a 2D lookup table block with various options for interpolation, extrapolation, and fitting. With the two inputs be...

2 years ago | 0

Answered

Hold the value of a signal

You can use the signal builder block to define any type of piecewise continuous signal you want.

Hold the value of a signal

You can use the signal builder block to define any type of piecewise continuous signal you want.

2 years ago | 0

Answered

How to pass an input value to a Simulink block from M-file?

Your M file can put the data into the base workspace as a variable with a known name. Then your Simulink model can use the From...

How to pass an input value to a Simulink block from M-file?

Your M file can put the data into the base workspace as a variable with a known name. Then your Simulink model can use the From...

2 years ago | 0

| accepted

Answered

How to change the color of each pixel in a masked image?

See if this helps. There is probably a faster way to do it with color mapping functions in the Image Processing Toolbox but it ...

How to change the color of each pixel in a masked image?

See if this helps. There is probably a faster way to do it with color mapping functions in the Image Processing Toolbox but it ...

2 years ago | 0

Answered

I gave the initial condition correctly still the program not working.

circshift returns a vector of the same length as its input. So, j2, j5, j8, and j19 are vectors and not scalar values as the li...

I gave the initial condition correctly still the program not working.

circshift returns a vector of the same length as its input. So, j2, j5, j8, and j19 are vectors and not scalar values as the li...

2 years ago | 0

Answered

How can I merge two structs?

Due to the need to merge it might be easiest to use struct2table, table2timetable, make sure it is merged well as a time table, ...

How can I merge two structs?

Due to the need to merge it might be easiest to use struct2table, table2timetable, make sure it is merged well as a time table, ...

2 years ago | 1

Answered

Displacements and velocity from acceleration integration (accelerometer data)

The Simulink Onramp training course is a good place to start: https://www.mathworks.com/learn/tutorials/simulink-onramp.html?...

Displacements and velocity from acceleration integration (accelerometer data)

The Simulink Onramp training course is a good place to start: https://www.mathworks.com/learn/tutorials/simulink-onramp.html?...

2 years ago | 0

Answered

GUI window to manually register two images?

You can try the registrationEstimator app included with the Image Processing Toolbox.

GUI window to manually register two images?

You can try the registrationEstimator app included with the Image Processing Toolbox.

2 years ago | 0

Answered

how to run a simulation at different times

You can use the Signal Builder block to configure how you want a signal to change over time. I assume you are simulating the mo...

how to run a simulation at different times

You can use the Signal Builder block to configure how you want a signal to change over time. I assume you are simulating the mo...

2 years ago | 0

Answered

Browsing the subsystem inside model using mscript

You can use open_system to open a Simulink model to some subsystem inside the model. The second parameter to open_system should...

Browsing the subsystem inside model using mscript

You can use open_system to open a Simulink model to some subsystem inside the model. The second parameter to open_system should...

2 years ago | 0

| accepted

Answered

Load array into Simulink model from file without timestamps

If you define your matrix as a Simulink.Parameter in a data dictionary and link to that data dictionary from your model, that wo...

Load array into Simulink model from file without timestamps

If you define your matrix as a Simulink.Parameter in a data dictionary and link to that data dictionary from your model, that wo...

2 years ago | 0

Answered

How can I convert double to const real_T of a sfunction?

If x is a constant you cannot change it. You would need to supply a more complete example, it is hard to tell what you are tryi...

How can I convert double to const real_T of a sfunction?

If x is a constant you cannot change it. You would need to supply a more complete example, it is hard to tell what you are tryi...

2 years ago | 0

Answered

Simulink code generation for tcpclient

Looks like code generation support for tcpclient was added in R2019B. You may just have a configuration issue in your R2020A te...

Simulink code generation for tcpclient

Looks like code generation support for tcpclient was added in R2019B. You may just have a configuration issue in your R2020A te...

2 years ago | 0

Answered

Displacements and velocity from acceleration integration (accelerometer data)

Integration naturally has some error when integrating a sampled signal because the integration algorithm has to make assumptions...

Displacements and velocity from acceleration integration (accelerometer data)

Integration naturally has some error when integrating a sampled signal because the integration algorithm has to make assumptions...

2 years ago | 0