Community Profile

prasanth s

Last seen: 13 días ago
54 total contributions since 2018

View details...

Contributions in
View by

Submitted

piratepal colors for plots
New colormap for plots (from piratepal function in R)

Submitted

Cyclic cellular automaton simple
cyclic cellular automaton implementation as from the website https://codepen.io/jlfwong/pen/YWZoyk

How Can I create struct field in a loop?
'struct' command creates new structure. you have to create new structure at the starting of loop. add new fields to the structur...

4 meses ago | 0

| accepted

Specific change points in large dataset
Here is one of the methods using 'diff' function. use following code to get all the difference values and plot those values to...

8 meses ago | 0

read multiple csv files from different subfolders
Use 'dir' function to get the directory and file list of any folder. e.g D=dir('Raw data'); output 'D' is an structure array c...

8 meses ago | 0

Thanks for detailed data

8 meses ago | 0

How to convert time to a number?
use following code to get values as string array. time=input(prompt,'s'); split the output 'time' using split function with de...

8 meses ago | 0

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

8 meses ago

Question

why 'colormap' did not change the color of my plots?
example: figure, plot(rand(5)) colormap hot above code did not change the color of plot.

8 meses ago | 2 answers | 0

2

Extracting Slices From Slice Function
use the vector slicing to get one slice, Let V is the input volume. e.g S=V(:,:,1); use 'imshow' or 'imagesc' functions to vie...

8 meses ago | 0

| accepted

Help with Loops and Switch cases and Mean
here is the code Q=input('Would you like to enter a real number? (Yes or No) ','s'); n=[]; switch Q case 'Yes' ...

8 meses ago | 1

| accepted

How to shift a matrix
loop version: M=[ 1,2,3; 4,5,6; 7,8,9; ]; C=nan(3,4); for i=1:size(M,1) if mod(i,2)==1 C(i,2:end)=M...

8 meses ago | 1

| accepted

How to upload csv. files from multiple folders
to automate the file and folder access operations, do not use 'uigetfile' or 'uigetdir' functions. use 'dir' function to get th...

8 meses ago | 0

How to access data from a struct when the dot notated reference is passed as a char array?
To to get the field names of struct array, use 'fieldnames' function S.x=1; S.y=2; fields = fieldnames(S) then, to get the...

8 meses ago | 0

Question about import a .txt file into matlab

8 meses ago | 0

wirte in excel sheet.
Delete the already created excel sheet. Change the last line of code to xlswrite('Book1.xlsx',q,'A1:BI1') if you want to stor...

8 meses ago | 0

Problem with data saving in a for loop
Best solution is: store the output variable 'vector' fom each iteration, into another variable(array, cell array). then at the ...

8 meses ago | 1

Problem with data saving in a for loop
you have to put the 'xlswrite' functions inside the for loop. also, for each iteration, change the sheet number or the 'xlRange...

8 meses ago | 1

| accepted

Loop iteration filling an array
you have used semicolom at the middle of 'AAA = [SETT,[NEXTse(1 ........' code. so may be the size did not matching. try usin...

8 meses ago | 0

Create lookup table for cell array
Code example to convert cell array to table. A={1,2,3} B=array2table(A');

8 meses ago | 0

I need to make a square wave

8 meses ago | 0

Write down the MATLAB commands for each of the following tasks.
solving equations: https://in.mathworks.com/help/symbolic/solve.html

8 meses ago | 0

particle swarm optimization code https://in.mathworks.com/matlabcentral/fileexchange/52857-particle-swarm-optimization-pso you...

9 meses ago | 0

Creating shapes in binary images
you can insert a shape in a image using the function 'insertShape'. e.g. RGB = insertShape(I,shape,position);

10 meses ago | 0

To use Totrolet Transform what inbuilt function and parameters to be used in matlab

11 meses ago | 0

Hovering mouse over a variable suddenly doesn't show present value in R2015b?
I got this issue in matlab 2018a. I found that one of my variable name is 'eval'. 'eval' is an inbuild function name, so i chang...

más de 1 año ago | 2

Detect the changes in two images
you can extract the region level features such as SIFT, hog descriptors from each image and compare. Or, detect object regions u...

más de 1 año ago | 0

how can detect objects from images?
some object detection methods Viola-Jones Algorithm for object and face detection hog descriptors for pedestrian detection ...

más de 1 año ago | 0

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

más de 1 año ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

más de 1 año ago