Ramnarayan Krishnamurthy

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Demo 1
Measure Temperature

約2年前

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Inconsistent behaviour in fprintf output (scripts and LiveScripts)?
To get the same output for this example as in the command window, one possible approach is to wrap your code inside a function. ...

約3年前 | 0

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Table consist of strings and numerics
Once you setup the table, you can use sprintf to create the concatenated string. You would have to decide how will passing the i...

約3年前 | 0

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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.

5年弱前

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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 ...

5年弱前 | 1

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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...

5年弱前 | 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...

5年弱前 | 1

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Code Examples from "Video Processing in MATLAB"
Demos from the Video introducing Video Processing in MATLAB

5年以上前 | ダウンロード 15 件 |

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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...

6年以上前 | 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...

6年以上前 | 2

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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 ...

6年以上前 | 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: ...

6年以上前 | 0

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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. ...

6年以上前 | 0

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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...

6年以上前 | 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. ...

6年以上前 | 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...

6年以上前 | 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...

6年以上前 | 8

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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...

6年以上前 | 2

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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...

6年以上前 | 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...

6年以上前 | 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: ...

6年以上前 | 2

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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...

6年以上前 | 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...

6年以上前 | 1

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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...

6年以上前 | 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...

6年以上前 | 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')); ...

6年以上前 | 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...

6年以上前 | 1

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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...

6年以上前 | 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...

6年以上前 | 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...

6年以上前 | 0

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Ramnarayan Krishnamurthy

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