Community Profile # Cutie

Last seen: environ un mois ago Active since 2020

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Question

2-for loop iteration to output a matrix
I want to use for-loop for my entire code for simulation. Specifically, i want to output results of each iteration with 2 for-...

8 mois ago | 1 answer | 0

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if-else statement for 4 comparison
Thank you @Cris LaPierre @DGM @David Hill for your help. I have been able to navigate it A= [0;1;0;1;1;0;1;0;0;1]; B= [0;1;1;0...

8 mois ago | 0

| accepted

Question

if-else statement for 4 comparison
I want to use if-else & for-loop to make comparison where outputs can be one of four options- TP,TN,FP,FN Supposed I have two r...

8 mois ago | 4 answers | 0

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Question

For loop to create a matrix array
I have a data X say X= 1:100 (integer 1 to 100) I want to write a for loop that will create matrix of w=10x5 (10rows, 5 colum...

8 mois ago | 2 answers | 0

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Question

How do I normalise a Matrix that is close to Singular or badly scale
I have an extracted features to be used for HMM training. However, I am having an error Warning: Matrix is close to singular o...

9 mois ago | 0 answers | 0

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Question

3D Plot of a Matrix with only Char data type
I have a matrix which with Char data type i.e All data are in text format. My goal is to make an x-y-z plot that will rep thes...

12 mois ago | 1 answer | 0

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Question

How do a cell2mat conversion for a non-uniform cell to a matrix
I have a 1 x 10 cell with Non-uniform data in each cell array. How do a cell2mat conversion without losing any of the element. ...

environ un an ago | 2 answers | 0

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Question

Neglecting difference between two values if it is very small so that value1= value2
I am working on a dataset. After some eigendecompostion process. I realise the difference between my values are as small as 1.8...

environ un an ago | 1 answer | 0

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Question

How can i reshape a matrix to my preferred dimension and discard the excess element
I have a signal whose size is 48640 but I want to reshape it using window size 512,1024,..etc but the [signal,Fs] = audiorea...

environ un an ago | 3 answers | 0

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Question

Ploting a spectrogrma view from sample points in an audio signal
I extracted some samples from an audio signal. I am to plot and have the output in a spectrogram format without using the spect...

plus d'un an ago | 0 answers | 0

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How does `svd(A*A')` reduce the computational cost?
SVD reduces computational costs because it provides a numerically stable matrix decomposition. You may refer to https://www.yout...

plus d'un an ago | 0

Question

How do I FFT a portion of an audio signal using window size 8000.
I want to carryout FFT on an audio signal using 8000 window size. The default sampling frequency of my signal is 96000Hz

plus d'un an ago | 1 answer | 0

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Solved

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

plus d'un an ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

plus d'un an ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

plus d'un an ago

Question

How do I remove any Column in a matrix
Please what is wrong with this function. I want it to remove 'n' column form the matrix A function B = column_removal(A,n) A...

plus d'un an ago | 2 answers | 0

### 2

Solved

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...

plus d'un an ago

Solved

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

plus d'un an ago

Solved

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

plus d'un an ago

Solved

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.

plus d'un an ago

Solved

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 ...

plus d'un an ago

Solved

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

plus d'un an ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

presque 2 ans ago

Question

Outputing a correspond element of another variable
I want my final output to be the element A that is equivalent to B(max) A = ["Bayo" "Tun" "s"] B = [21, 45, 11] example...

presque 2 ans ago | 1 answer | 0

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Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

presque 2 ans ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

presque 2 ans ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

presque 2 ans ago