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Kaleesh Bala


Last seen: 4 dagen ago
36 total contributions since 2018

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Question


Using canny filter to locate varying diameter circles
The filter locates all the other edges but can it be modified only to detect three corner circles as present in the color figure...

22 dagen ago | 0 answers | 0

0

answers

Question


How to make Triu in reverse axis for triangular matrices ?
The function triu makes the upper triangular matrix in the shape of L . How shall I reverse it like to make it run in opposite...

3 maanden ago | 1 answer | 0

1

answer

Question


Polar plot using polyfit
I'm trying to fit the VALUES to make a polar plot but it seems I couldn't fit one value 1400e2 which the polyfit doesn't take ...

4 maanden ago | 3 answers | 0

3

answers

Question


I have 2D plot,how shall I make it look like a 3D like a view from top.
subplot(2,1,1); x = linspace(0,10); y1 = sin(x); plot(x,y1) subplot(2,1,2); y2 = sin(5*x); plot(x,y2) How to to make t...

5 maanden ago | 1 answer | 0

1

answer

Question


Plot one row of x with multi rows of Y
I have something like this values 25 is the X and remaing four values after that consitutes Y ..similarly for 50,100 ..250etc.....

5 maanden ago | 2 answers | 0

2

answers

Answered
How to understand mean absolute error percentage?
MAPE= mean((abs(ye-Yv))./Yv) Yv=Real values vector ye=Neural Network model's estimated values

8 maanden ago | 0

Question


How to smoothen the signal and make a good envelope
I have a velocity and time data.I would like to smoothen the signal as the hilbert of the signal is very dense ? How to do it ...

ongeveer een jaar ago | 1 answer | 0

1

answer

Question


How to cut the signal at particular time or tol value ??
I have a signal and respective time ,how shall I cut it at a certain more or less close to tol value/time vector value. How to ...

meer dan een jaar ago | 1 answer | 0

1

answer

Answered
How can I select multiple points using the Data Cursor while the 'DisplayStyle' is either 'off' or 'window'?
Use Shift + Data cursor and select the figure made with coords.

meer dan een jaar ago | 0

Question


How can I set a descend order finding peaks to my graph ?
I have a graph that takes the values from first maximum peak point and plots it.Now,how shall i introduce a threshold or descend...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Dimensions of arrays being concatenated are not consistent.
Here all the variable are of 1X3 except velocity which is 1X2 So,how shall I add even that value in the sheet ? as I get Dim...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


To RESHAPE the number of elements must not change.
rows = 450; cols = 450; samples = 1024; samples = size(data2d,2); Data = reshape(data2d,cols,rows,samples); Da...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How to use hanning window to get 5 cyles of sine waves?
load('x.mat') t=0:10*pi; % 5 cyeles sf=200e3; %frequency sinewave = sin(2*pi*sf*x); % gen continuous sine waves w = hanning...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How to add Hann 5 cycles to the sine wave plot?
I would like to know how to add cycle to the sine plots? The below one is a sine plot continuous how to make it short for only ...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How to remove particular value from matrix?
I have 2*104 matrices ,I'm interested to remove all values below a particular value say 2.5E-4 from row 2?

meer dan een jaar ago | 0 answers | 0

0

answers

Question


Create a line of particular length and orientation
I found a code which creates line in arbitrary space and e verywhere,I couldn't control it's position as randi is used. Let's s...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


I'm trying to find the RMSD of the numbers by taking 1-2,2-3,3-4 in a sequence ,how can i loop as such ??
I'm right now doing as such,how to form a loop by taking in the previous nos? N = [ 55378 55344 55310 55276 55242 55208]; a = ...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


Why the increment of plot not working ?
I don;t know where the error is as instead of 6 figures I get 36 figures as its a 2 for loops ,how to combine these 2 varying fo...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


second largest peak value
I'm getting the amp of second largest peak as correct but the time is wrong ? How to obtain the second highest value X,Y from t...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


Findpeaks loop value not saving separately
I'm using findpeaks and trying to save the AMP values separately.But my loop is saving only the last value even though it runs i...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Value of a variable not changing in the workspace ??
The value of j goes upto 1025 but i stays at 255 itself ,what's the error in this nested loop?? X = load('x.mat'); Y = load('...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


How to get FFT coefficient plot
How to obtain FFT for the given amplitude (vs) time plot? Kindly inform me is below code is right ?? as I don'see any FFT pea...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


SVD file to normal coordinates
I have a .svd file ,how to get the coordinates and time values from it using matlab.From svd data to coordinates like M(x,y,t) ...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question


nearest tangent point from Ginput point to line ?
I'm trying to get the nearest by creating a ginput and then ginput point finds the nearest point to the line. x = [0,20] ...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


plot ellipses by clicking points?
How to plot ellipses by clicking on the points. I have a 100*100 cm grid and I would like to generate ellipses in it by clicking...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Submitted


Drawellipse
simple format to draw ellipse by knowing a,b and coords

meer dan 2 jaar ago | 2 downloads |

Question


How to create marching triangulation or advance front mesh in Matlab ??
I have used delauney triangulation method in a grid (which created ortho trias) I would like to know how to create marching t...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Ellipse in parametric form ?
I'm trying to create an ellipse in parametric form. I have just two Foci along the major axis. So, how shall I get r1, r2 etc. ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


How to say the third selected point lies within the created geometry or not?
close all clc base_x = [0 50 50 20 0 0] base_y = [0 0 10 10 10 0 ] roof_x = [ 0 0 20 20 30 30]...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Determining point is within polygon or outside.
so far I have coded a profile and a user input to plot the points if inside or outside. any improvement to the code is apprecia...

meer dan 2 jaar ago | 0 answers | 0

0

answers

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