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prasanth s


54 total contributions since 2018

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Answered
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...

29 días ago | 0

Answered
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...

29 días ago | 0

Answered
license problems "cheat sheet"
Thanks for detailed data

alrededor de 1 mes ago | 0

Answered
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...

alrededor de 1 mes 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...

alrededor de 1 mes 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.

alrededor de 1 mes ago | 2 answers | 0

2

answers

Answered
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...

alrededor de 1 mes ago | 0

| accepted

Answered
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' ...

alrededor de 1 mes ago | 1

| accepted

Answered
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...

alrededor de 1 mes ago | 1

| accepted

Answered
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...

alrededor de 1 mes ago | 0

Answered
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...

alrededor de 1 mes ago | 0

Answered
Question about import a .txt file into matlab
you can use 'fopen' and 'fread' functions. https://www.mathworks.com/help/matlab/ref/fread.html

alrededor de 1 mes ago | 0

Answered
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...

alrededor de 1 mes ago | 0

Answered
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 ...

alrededor de 1 mes ago | 1

Answered
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...

alrededor de 1 mes ago | 1

| accepted

Answered
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...

alrededor de 1 mes ago | 0

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

alrededor de 1 mes ago | 0

Answered
I need to make a square wave
see: https://in.mathworks.com/help/signal/examples/signal-smoothing.html https://in.mathworks.com/matlabcentral/answers/3205...

alrededor de 1 mes ago | 0

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

alrededor de 1 mes ago | 0

Answered
sir,i would like to implement pso (particle swarm optimization)in speech could you please help
particle swarm optimization code https://in.mathworks.com/matlabcentral/fileexchange/52857-particle-swarm-optimization-pso you...

2 meses ago | 0

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

3 meses ago | 0

Answered
To use Totrolet Transform what inbuilt function and parameters to be used in matlab
Here is Link: https://anonymousfiles.io/mbKERbdC/

4 meses ago | 0

Submitted


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

4 meses ago | 0 downloads |

Submitted


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

5 meses ago | 2 downloads |

Answered
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...

9 meses ago | 1

Answered
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...

10 meses ago | 0

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

10 meses 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...

11 meses 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 ...

11 meses ago

Answered
join close lines in one thicker
why matlab did not have functions to draw and burn basic shapes (line, triange,..) in image.i did not find any file exchange als...

12 meses ago | 0

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