Sudheer Bhimireddy
Postdoctoral research associate at Illinois State Water Survey. Using MATLAB for past 10 years.
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Content Feed
Plotting a 3D array over time - APP Designer
If you can export your values "to workspace" you can simply use plot3 function in your MATLAB code once the simulink run is co...
10 months ago | 0
Writing data in columns from "for loop" to ".txt" file
Your fprintf syntax is what writing everything in one column. Try the below line and see: for count=1:10 fprintf(result_fi...
11 months ago | 0
Shade areas between graphs
Look at area() function in MATLAB. May be that helps with your code. Below is an example: x = -3*pi : 0.1 :3*pi; y...
11 months ago | 1
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Solved
Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...
12 months ago
Solved
Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.
12 months ago
Solved
Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...
12 months ago
how to obtain the number of lines starting with a given string from an external text file and save the numeric value of variables of those lines
Another approach: data = readtable('test.txt'); % test.txt contains the given text drl_count = sum(strcmp(data.Var1,'...
12 months ago | 1
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Extracting specific rows with different content from a large table array
Convert the datenum to datetime, and then you can use the MATLAB function isbetween() to get all the indices that satisty your c...
12 months ago | 0
How do i load massive multi-variable files and manipulate the data?
Your approach is correct. Perhaps the below code might help. % Read the txt file data = readtable('Strawberry.txt','Forma...
12 months ago | 0
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Pie Chart in for loop
Are you clearing the figure at the start of each iteration in your loop? I am not seeing the problem you are facing. I got the b...
12 months ago | 0
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
1 year 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);
1 year 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...
1 year ago | 0
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...
1 year 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.
1 year 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...
1 year 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...
1 year 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...
1 year 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...
1 year 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 = ...
1 year 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....
1 year 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...
1 year 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 = ...
1 year ago | 0
scatter plot with showing their means and error bars
doc errorbar Look at the matlab example: "plot error bars with no line".
1 year 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
1 year 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...
1 year 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...
1 year 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...
1 year 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')...
1 year 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 ...
1 year ago | 0
