Answered
How to make a crop image with a white color result ?
Do you want white space or not any space over cropped area. Refer this. Since you have not pasted the original image, I am tak...

7 years ago | 3

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Answered
How to write Output text file in Tabular format in matlab??
I am taking a random data to give you an example. A=rand(1,61); B=rand(1,61); C=rand(1,61); AA=[A' B' C'] dlmwr...

7 years ago | 2

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excel data into a single columns using loop
What do you mean by equal spacing between each column. You cannot keep blank any element in matrix. You can do in cell. Here is ...

7 years ago | 2

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sir, can you please help me to convert this python code into matlab
Commented lines are the python code and uncommented lines are the matlab codes. There are few python functions which you have us...

7 years ago | 2

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Answered
Apply a mask of smaller size onto an image of a larger size
Just crop the data itself before using imshow. clc clear RGB=imread('f010.png'); subplot(1,2,1) imshow(RGB) ...

7 years ago | 3

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How to write a MATLAB program which calculates the exact values for the geometric series?
a=1; %first term r=1/7; n=5; %number of values in geometric series s = a*r.^(0:n-1) If you want sum, then write ...

7 years ago | 3

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Answered
help with griddata (interpolate 2D data)
Since you have not uploaded any data set, I am taking an example to resolve your issue. lon=[65:95]; lat=[0:35]; ...

7 years ago | 2

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How collect three different .mat files in one .mat file?
Just load the data. Once you can see all the variables in workspace, just write save('file.mat')

7 years ago | 2

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How to plot graph x,y for text file
A=load('test.txt'); plot(A(:,1),A(:,2))

7 years ago | 5

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Answered
Choosing not number elements from matrix to use in title figures and plots
isletter gives the logical values where ever the letter is in your string. Use this is extract only letters and put this as titl...

7 years ago | 3

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Answered
i have a matlab code for feature extraction, how i apply this code to all my dataset in a file .without applying it one at atime.
F=dir('*.nc') % write extension for i =1:length(F) % write your commands. call the filename as F(i).name F(i).name ...

7 years ago | 2

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Answered
How to read multi three dimensions netcdf files in a loop and append their third dimensions?
Store it in fourth dimension "the size of each file in 21 x 23 x 248" for ii = 1:length(files) my_new_matrix(:,:,:,...

7 years ago | 2

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Answered
I have to switch the max and min elements in a vector and assume vec = ceil(rand(1, 10)*100) is a vector containing 10 random generated integers. The script i have to provide will swap the maximum and the minimum element in the vector.
Firstly, please follow Walter Roberson's comment. A=[ 16 98 96 49 81 15 43 92 80 96] A([find(A==min(A)),find(A==...

7 years ago | 2

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i want to store 3 attributes in 3 columns of excel sheet and 10 times
f1='13_1_1'; f2='13_1_2'; a=0; A={f1,f2,a} xlswrite('sample.xlsx',A,'sheet1 ','A1') You can easily put th...

7 years ago | 3

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second-degree linear system
Firstly make all equation equal to 0. Write this in a function and save this as as first.m function F = first(x) F(1)=...

7 years ago | 2

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append data in excel sheet
Just write the cell name at the time of using xlswrite A=rand(6,12)+10 %random data xlswrite('sample.xlsx',A,'sheet na...

7 years ago | 2

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How to get rid of empty space and unit in my output
Merge both two columns into one and then write into text file. See this example. column1={'A','B','C','D','E','F','G',...

7 years ago | 2

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plz explain the code
contour_thres = 0.005; asssigning the value in contour_thres thres_func = @(x) (x<contour_thres); creating a an...

7 years ago | 3

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Answered
I have to find the maximum element in a two dimensional array and replace it with 0.
A=randi(10,5,6) A(A==max(A(:)))=0

7 years ago | 2

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Pareto chart in matlab for N x M matrix
What do you mean by this "What approach do i have to take in-order to achieve this"? If you have M*N matrix, then you can chang...

7 years ago | 2

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how to solve mismatch data types
I dont understand your question fully. But I think this might helps you. >> a=8 a = 8 >> int3...

7 years ago | 2

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How can i use the Enter button to run the program?
Use *Ctrl+Enter* to run the your program. Actually its there to run the current section of your program. If you didn't split...

7 years ago | 2

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error in using the sum function
You have already defined sum as a variable clc clear m=5; %number of groups n=10 %size of each group sz=[m n]; ...

7 years ago | 2

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Unzipping a uint8 array
Use unzip(zipfilename) unzip(zipfilename,directory) Reference: <http://matlab.izmiran.ru/help/techdoc/ref/unzip.html>

7 years ago | 2

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Conditional with string wildcard
I have taken names as filename. full_name='Tree' Text2 = 'Tree'; %here is you mistake. Remove * from the last ...

7 years ago | 2

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access sequence of file with date increment
This answer is not going to specific only for WRF output files, but for all. First read all files and store their names in a va...

7 years ago | 2

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How to use datenum with a date represented as a scaler?
If A is numeric, then A=20180924 a1=num2str(A) datenum(str2double({a1(1:4),a1(5:6),a1(7:8)})); If you wish to ...

7 years ago | 2

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Interpolation from coarse to fine grid
Hope this helps. The below code convert data over finer grids as well as it does vertical interpolation too. lat=[65:1:75]...

7 years ago | 3

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How do I add elements to a structure in a loop?
Just simple store separated with dot. Example for ii=1:15 [a,b,c]=polyfit(randi(20,1,100),randi(10,1,100),2) ...

7 years ago | 2

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can anyone tell me how to plot a three curves with different x and y values for all curve in single plot?
As you have not given any specific data set. I am taking a random data to give you an example. *Example 1* Just plot all t...

7 years ago | 2