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# Alamanda Ponappa Poovaya

Last seen: 2 månader ago Active since 2021

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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

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Return area of square
Side of square=input=a Area=output=b

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Given a and b, return the sum a+b in c.

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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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 ...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år ago | 0

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Is my wife right?
Regardless of input, output the string 'yes'.

mer än ett år ago

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 '-...

mer än ett år 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 ...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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...

mer än ett år 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 ...

mer än ett år 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...

mer än ett år 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...

mer än ett år ago | 0