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Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

6 meses ago

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how to compare elements in an array respectively

If I understand correctly, you are comparing the arrays element wise and then deciding based on a condition. One approach could ...

how to compare elements in an array respectively

If I understand correctly, you are comparing the arrays element wise and then deciding based on a condition. One approach could ...

6 meses ago | 0

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How i can write glcm features in matlab to excel sheet?

I would suggest using "writetable" and setting the "WriteVariableName" argument to false to accomplish this. For example: Assu...

How i can write glcm features in matlab to excel sheet?

I would suggest using "writetable" and setting the "WriteVariableName" argument to false to accomplish this. For example: Assu...

6 meses ago | 0

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How to retrieve table data based on matched variable

You are correct in that you can use logical indexing to solve this without loops. Here is a possible approach: % Extract logica...

How to retrieve table data based on matched variable

You are correct in that you can use logical indexing to solve this without loops. Here is a possible approach: % Extract logica...

6 meses ago | 0

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Code Examples from "Video Processing in MATLAB"

Demos from the Video introducing Video Processing in MATLAB

alrededor de 1 año ago | 64 downloads |

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How to append lines to an existing MessageBox

The following is a possible approach to append messages in the msgbox after its creation. % Create a message box h = msg...

How to append lines to an existing MessageBox

The following is a possible approach to append messages in the msgbox after its creation. % Create a message box h = msg...

casi 2 años ago | 0

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Testing Data for Power Law Relationship

*Part 1:* A few possible approaches to approaching this is as follows: *a) Without the Curve Fitting Toolbox* i) _Using po...

Testing Data for Power Law Relationship

*Part 1:* A few possible approaches to approaching this is as follows: *a) Without the Curve Fitting Toolbox* i) _Using po...

casi 2 años ago | 0

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How to read xlsx file after the date

A possible approach would be to pull out the date from the file name and then sort it. Then, keep a track of the order and read ...

How to read xlsx file after the date

A possible approach would be to pull out the date from the file name and then sort it. Then, keep a track of the order and read ...

casi 2 años ago | 0

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Setdiff with two datasets, looking at only certain columns

You can use the ' |setdiff|' and ' |intersect|' functions with logical indexing to get the output you desire. As an example: ...

Setdiff with two datasets, looking at only certain columns

You can use the ' |setdiff|' and ' |intersect|' functions with logical indexing to get the output you desire. As an example: ...

casi 2 años ago | 0

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Answered

How to modify a variable with a gui?

In the callback function for the button, use the |assignin| function to modify the value in the base workspace. For ex. ...

How to modify a variable with a gui?

In the callback function for the button, use the |assignin| function to modify the value in the base workspace. For ex. ...

casi 2 años ago | 0

Answered

Comparison for/vectorization- some general advice

The result you observe could be because preallocation the second time appears to be faster than the first. So, timing each allo...

Comparison for/vectorization- some general advice

The result you observe could be because preallocation the second time appears to be faster than the first. So, timing each allo...

casi 2 años ago | 0

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How can I do a loop to extract vectors from a matrix?

The reason only the last one is stored at the end of the for loop is that 'c' is being overwritten each time the loop iterates. ...

How can I do a loop to extract vectors from a matrix?

The reason only the last one is stored at the end of the for loop is that 'c' is being overwritten each time the loop iterates. ...

casi 2 años ago | 1

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Splitting array based on a single column's condition

If the transition point in the fourth column is known to be 0, then you can consider splitting the data by the location of these...

Splitting array based on a single column's condition

If the transition point in the fourth column is known to be 0, then you can consider splitting the data by the location of these...

casi 2 años ago | 0

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How do I change the yaxis exponent when using a double y-axis plot?

Try setting the exponent as follows: ax.YAxis(2).Exponent=3; instead of ax.YAxis.Exponent = 3; This sets the expo...

How do I change the yaxis exponent when using a double y-axis plot?

Try setting the exponent as follows: ax.YAxis(2).Exponent=3; instead of ax.YAxis.Exponent = 3; This sets the expo...

casi 2 años ago | 2

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Plot surface with 3 vectors x,y,z?

Did you try plot3 or scatter3? If you are looking to simply "plot" the 1000 points where the triplet (x,y,z) represents a poi...

Plot surface with 3 vectors x,y,z?

Did you try plot3 or scatter3? If you are looking to simply "plot" the 1000 points where the triplet (x,y,z) represents a poi...

casi 2 años ago | 0

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I don't find the error in my function, (index exceed matrix dimensions)?

I am assuming that you are calling the function with vector arguments such as: Azimuth([10,20],[30,40]). Now, there is an ex...

I don't find the error in my function, (index exceed matrix dimensions)?

I am assuming that you are calling the function with vector arguments such as: Azimuth([10,20],[30,40]). Now, there is an ex...

alrededor de 2 años ago | 0

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bar and histograms for categorical data

MATLAB by default places categories in alphabetical order. One of the possible approaches to switching the order of the bars is...

bar and histograms for categorical data

MATLAB by default places categories in alphabetical order. One of the possible approaches to switching the order of the bars is...

alrededor de 2 años ago | 0

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Plot a signal, manually brush data range, and generate new variable

To programmatically implement selecting brush data, saving it to a newly created variable, you can try the following approach: ...

Plot a signal, manually brush data range, and generate new variable

To programmatically implement selecting brush data, saving it to a newly created variable, you can try the following approach: ...

alrededor de 2 años ago | 1

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Improving circle detection with imfindcircle

The following link may have some useful tips on circle detection using *imfindcircles* and *regionprops*: <https://www.mathwo...

Improving circle detection with imfindcircle

The following link may have some useful tips on circle detection using *imfindcircles* and *regionprops*: <https://www.mathwo...

alrededor de 2 años ago | 0

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'Plots' not a recognized parameter in deep learning network training

This may be MATLAB version related. Which version of MATLAB are you trying to execute this on? The ability to monitor trainin...

'Plots' not a recognized parameter in deep learning network training

This may be MATLAB version related. Which version of MATLAB are you trying to execute this on? The ability to monitor trainin...

alrededor de 2 años ago | 1

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Answered

How can I get the histeq function to ignore NaN values?

It appears that MATLAB warns you about using *histeq* on a matrix with NaNs and replaces them to 0. I would suggest the follo...

How can I get the histeq function to ignore NaN values?

It appears that MATLAB warns you about using *histeq* on a matrix with NaNs and replaces them to 0. I would suggest the follo...

alrededor de 2 años ago | 0

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Photogrammetry, distance in image

A possible approach would be to use the function 'regionprops' after some basic pre-processing: I = imread('edges.png...

Photogrammetry, distance in image

A possible approach would be to use the function 'regionprops' after some basic pre-processing: I = imread('edges.png...

alrededor de 2 años ago | 0

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How should I denoise the image to extract the characters from the image?

A possible approach to solve the above problem is as follows: % Read in the image Iin = rgb2gray(imread('test.png')); ...

How should I denoise the image to extract the characters from the image?

A possible approach to solve the above problem is as follows: % Read in the image Iin = rgb2gray(imread('test.png')); ...

alrededor de 2 años ago | 0

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Detect Edge in picture with low contrast

The image would need pre-processing before passing it to one of the edge detectors. I would suggest trying to enhance the contr...

Detect Edge in picture with low contrast

The image would need pre-processing before passing it to one of the edge detectors. I would suggest trying to enhance the contr...

alrededor de 2 años ago | 1

Answered

How to set a variable network name for CNNs with trainNetwork

When you use: [networkName, trainInfo] = trainNetwork(myData, layers, options); the *networkName* can be any variable...

How to set a variable network name for CNNs with trainNetwork

When you use: [networkName, trainInfo] = trainNetwork(myData, layers, options); the *networkName* can be any variable...

alrededor de 2 años ago | 0

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Calling bowtie2 from matlab

Can you try running bowtie2 from matlab using the 'system' command. That is, [a,b] = system('bowtie2 -h') Also, there i...

Calling bowtie2 from matlab

Can you try running bowtie2 from matlab using the 'system' command. That is, [a,b] = system('bowtie2 -h') Also, there i...

alrededor de 2 años ago | 0

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Scale a Legend with the underlying Axis

The observation that the size of the legend scales with the Font Size is true. Is there a reason you would prefer not to change...

Scale a Legend with the underlying Axis

The observation that the size of the legend scales with the Font Size is true. Is there a reason you would prefer not to change...

alrededor de 2 años ago | 0

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I want to merge the content of two tables with identical variables, but for a given key variable value the columns 1:N in table 1 are filled and columns N+1:end in the other.

Merging 2 tables on the basis of key variables and retaining only the common rows can be achieved using the 'innerjoin' function...

I want to merge the content of two tables with identical variables, but for a given key variable value the columns 1:N in table 1 are filled and columns N+1:end in the other.

Merging 2 tables on the basis of key variables and retaining only the common rows can be achieved using the 'innerjoin' function...

alrededor de 2 años ago | 0