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# Alamanda Ponappa Poovaya

Last seen: 2 months ago Active since 2021

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How to use optimization in matlab?
Hi, It appears you want to find the maximum area of a rectangle with sides A and B, such that A + B = Lt. This would assume tha...

1 year ago | 0

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Subplot for individual for loop angle
Hi, the reason the graph isn't being plotted the way you expect is because your nested for loop structure is incorrect for thi...

1 year ago | 1

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How do I display a figure from another section again?
Hi, Essentailly, you want to display a figure which you had previously created in a different section again. You can use the sa...

1 year ago | 0

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Surrounding elements in an array affect and change an element over a loop.
Hi, Essentially you want to check all elements in the neighbourhooud of a particualr element but you want the search to wrap a...

1 year ago | 0

what is the mistake i am doing here? i have to plot the three equations f,f1,f2
Hi, It appears you are trying to plot symbolic functions. This is not what plot3 is designed to do, it can only plot numerical ...

1 year ago | 0

Plot 2 Tangent Lines in a function
Hi Please have a look at the code snippet below. It calculates the tanget at points 1 and 5 and plots the tangents. Keep in min...

1 year ago | 0

How to find the maximum of some variables ?
You can refer to the function below, it solves your issue function dispwithname(varargin) [~, idx] = max([varargin{:}]); disp...

1 year ago | 0

Combining video files in matlab
You can use while loops with the "hasFrame" check to write each frame of each video to the new file. Below is an example with tw...

1 year ago | 0

Multi- App/Class GUI with app designer
I understand that you essentially want to combine 3 .mlapp files into one GUI. Unfortunately this is not possible. Each mlapp fi...

1 year ago | 0

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How to extract HOG and EHD features from '.txt' files?
Hi, The first step would be to import the txt file into MATLAB. You can do so in 2 ways. Use the Import Data optiom in the va...

1 year ago | 0

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How can I show two points value in a wave?
A simple workaround is, first right click the scope output and select 'Print display to figure'. Now you can simply click on p...

1 year ago | 0

Morse Decoder with Character Counter
Hi, First of all, there are a few errors with your userMorse variable. Every time you have typed "..--.-", which indicates a '-...

1 year ago | 0

App Designer as Inputs to Separate Object Oriented Code
Hi, it is possible to do this without using app-designer. You can get this behaviour by using UIFigure components. In the link ...

1 year ago | 0

Display both the figure and save the output in the function 'findchangepts'
Currently findchangepts does not support this feature. I have brought this issue to the notice of the concerned people and it mi...

1 year ago | 1

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Creating multiple axis scales on one axis - Ex: fixed step, logarithmic, fixed step
It is possible to have multiple scales on one axis, but it is a little lenghty. Please have a look below t = tiledlayout(1,3,'T...

1 year ago | 1

How to write function for panel in App Designer?
You can access the panel a button was present in using the Parent property. Firstly, give each panel an appropriate title in t...

1 year ago | 0

3D Graph (bar3?) with two vectors and one matrix
As per my understanding, you will not get the type of output you want with bar3. Refer to the documentation of bar3 https://www...

1 year ago | 0

Error Message: Undefined function, App Designer
The reason this error is occuring is that, while you have created both time and power variables, they are at the moment local to...

1 year ago | 0

Lock axis for Rotate3D
It is not possible to lock specific axis for rotate3D. However there is a workaround using the rotate function, using which you ...

1 year ago | 1

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Find the local and global maxima and minima
One option is to use ‘findpeaks’ in the Signal Processing Toolbox. It will give you the maximum (and indirectly the minimum) val...

1 year ago | 0

What is the equivalent of "millis()" and "micros()" in MATLAB?
There is no direct equivalent to millis() and micros() in MATLAB, however you can use tic and toc as a work around. Please ref...

1 year ago | 0

I am having difficulty in finding a code to find diameter of a circle
Rather than finding the distance with code, I feel it would be easier to use imtool and use the 'Measure distance' tool. You c...

1 year ago | 0

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6. Write a MATLAB program to Plot the spectra of the signal x[n]=sin(nπ/3)
The code snippet below should solve your question. n = 1:0.01:5; y = sin(n*pi/3); plot(n,y); Modify the range of n as requi...

1 year ago | 0

3d BAR GRAPH WITH ERROR
I understand you want to create 3D plot of the errors vs x_true and y_true. First of all, based on the code you have provided,...

1 year ago | 0

Error showing image after reading it
You can resolve this error by using the clear command before running your code

1 year ago | 0

Fixing quirk in uihtml + JavaScript implementation of "command line" with command history
I have made some modifications to your prompt.html file. It seems to fix your issue. Please have a look

1 year ago | 0

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calculate distance and angles between points in a grid
Based on the inromation you have provided, the below code should calculate the distance and angle for all 961 coordinates from c...

1 year ago | 0

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App Designer: Triggering ValueChanged callback for text Edit Field with Default Value
I understand you want to show the default value in the start by pressing enter. The issue is that text fields only have 2 call b...

1 year ago | 0