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# Sudheer Bhimireddy

##### Last seen: 9 Tage ago
98 total contributions since 2020

Postdoctoral research associate at Illinois State Water Survey. Using MATLAB for past 10 years.

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Plotting a contour plot with excel data
doc readmatrix Import your data into a 2D array and then decide what columns you want to plot using contourf

etwa ein Monat ago | 0

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Save multiple .dat files using for loop
Try this: fileName = sprintf('test%d.dat',k); writematrix(your_matrix,fileName);

etwa ein Monat ago | 0

xlswrite writing extra collumns
"e.g. columns of data from searchresult2 for filename15 get added into, and written into filename16" That's because you dont ha...

etwa ein Monat ago | 0

Writing every output of a loop to an Excel table
Two approaches for this: Option 1: You can write the table at the end of all iterations if you want to create a single excel f...

etwa ein Monat ago | 1

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How can I join two parts of a char into just one?
Try this: fileID = 1; for i = 1:9 for j = 6:0.5:10 fileName{fileID,1} = strcat('SiON_D4_L',num2str(j),'_12Lyrs_T...

etwa ein Monat ago | 0

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Finding min values of third column for rows with similar values
If the order is not important, look at sort function.

etwa 2 Monate ago | 0

Accessing Elements in a 3D matrix using Linear Indexing ?
Yes, it is possible. Read this. A = rand(10,10,10); B = A(1:2,1:2,1:2); %<- indexing the first two values in all dimensions s...

etwa 2 Monate ago | 0

I dont know where im going wrong with the code
The left-hand side should be the variable alone. Change that to c = sqrt(adj^2 + opp^2) c^2 cannot be the variable name as it...

etwa 2 Monate ago | 0

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Error using Video Writer
Your code looks strange. Do you have 'hold on' before the loop? Also if you have complete extents of your x,y variables, you c...

etwa 2 Monate ago | 0

Subplot VAR variables in one figure
I just tried your code with a dummy matrix, values and see no error regarding linestyle. It would help if you can attach your ma...

etwa 2 Monate ago | 0

I want to plot a graph like this in Matlab. It would be a great help if someone can help me with the same by providing the code.
Neglecting i=0, you will have 7 lines governed by that equation. Have you tried it by using a simple loop for i = 1:7 ? x = ...

etwa 2 Monate ago | 0

Convert .mat file into .xls file
https://www.mathworks.com/help/matlab/import_export/exporting-to-excel-spreadsheets.html Follow the example given on that page....

etwa 2 Monate ago | 0

Index exceeds the number of array elements (4)
Try debugging by placing breakpoints inside the functions. Here is what I see. Your q_level array is size 1x4 while the q_inde...

etwa 2 Monate ago | 0

How to save the axes include x-axis and y-axis
Try this, after your axis() line: ax=gca; ax.XTick = 0:0.2:1; ax.XTickLabel = 0:0.2:1; ax.YTick = 0:0.2:1; ax.YTickLabel = ...

etwa 2 Monate ago | 0

scatter plot with showing their means and error bars
doc errorbar Look at the matlab example: "plot error bars with no line".

etwa 2 Monate ago | 0

How to make a a certain range with different color in colorbar
Try this function: https://www.mathworks.com/matlabcentral/fileexchange/4058-bluewhitered

etwa 2 Monate ago | 0

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Plot 9 parameters for 29 country for 20 years in one curve
You can try something like this: % Read data from one sheet data = readtable('base.xlsx','Sheet','Feuil6'); % Read a param...

etwa 2 Monate ago | 0

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Split array into training and testing based on label ?
Try this: A = rand(500,4); labels = randi([1,4],500,1); A(:,4) = labels; % Filter data based on labels A_1 = A(A(:,4...

etwa 2 Monate ago | 0

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constructing a video from a sequence images
It depends on the order in which you are reading the image files. If you want to check this, look at your imageNames variable an...

etwa 2 Monate ago | 0

Trying to save the red positions of an image
Does your image has that Red value? Double-check it. To test your code, follow this example. A = imread('ngc6543a.jpg')...

etwa 2 Monate ago | 1

How to repeat different vectors to form another vector?
For OPs example, it would be: >> A = [repmat([1,2,3],1,3) repmat([4,5,6],1,3)] %... repmat([k-2,k,k],1,3)]; >> A = 1 ...

etwa 2 Monate ago | 0

How to prevent decrement (melting) past 0 until growth increases again?
As soon as you estimated hsnow, force all/any negative values to 0 hsnow(hsnow<0)=0;

etwa 2 Monate ago | 0

Plotting Velocity potential and streamline
This is a boundary value problem. You need to have the initial and boundary conditions to develop the velocity field required fo...

etwa 2 Monate ago | 0

How to make binary file for each iteration in a loop?
I think, instead of the code creating "only the last file", it is overwritting the same file, so you end up with only one file. ...

etwa 2 Monate ago | 0

Plotting the average line of a graph of a column imported from an excel
Not sure, where you are getting the error. I tried this % some random numbers x=rand(15808,1); % get the average by usi...

etwa 2 Monate ago | 1

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Calculate volume of cylindric tank
Try this: function [tank_volume mA_points fuel_level mA_reading] = get_tank_volume(tank_diameter, tank_length, sensor_read) % ...

etwa 2 Monate ago | 0

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Location of the "end" statement of the main function in a m. file?
If you have 'end' at the end of a file, then your functions become 'Nested functions'. The variables created inside the function...

etwa 2 Monate ago | 1

Solved

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

etwa 2 Monate ago

Solved

Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

etwa 2 Monate ago

Solved

Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

etwa 2 Monate ago