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Question

How do I include errorbar on my F1 score plot

I want to include the errorbar on my F1 score plot. I don't know how to go about it. Here is my code below % Given data p = [3...

1 year ago | 1 answer | 0

### 1

answerQuestion

Function for visualisation of raw data -Ovarian cancer

I want to a 'plot' function to effectively visualise the ovarian cancer data inbuilt in MATLAB. load ("OvanrianCancer.mat") T...

1 year ago | 1 answer | 0

### 1

answerQuestion

Legend showing same symbol for loop plot

My legend is showing the same symbol for different data. My code is as follows for i=1:size(obs,1) x = V(:,1)'*obs(i,:)'; ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to compare the complexity of two algirthms in MATLAB

I have to Algortihms for my simulations. Both are working but I need to compare the complexity/effiency of the two algorithm...s...

2 years ago | 2 answers | 0

### 2

answersQuestion

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-...

2 years ago | 1 answer | 0

### 1

answerif-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...

2 years 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...

2 years ago | 4 answers | 0

### 4

answersQuestion

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...

2 years ago | 2 answers | 0

### 2

answersQuestion

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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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. ...

3 years ago | 2 answers | 0

### 2

answersQuestion

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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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...

3 years ago | 3 answers | 0

### 3

answersQuestion

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...

3 years ago | 1 answer | 0

### 1

answerHow 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...

3 years 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

3 years ago | 1 answer | 0

### 1

answerSolved

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,...

4 years 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...

4 years 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]; ...

4 years 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...

4 years ago | 2 answers | 0

### 2

answersSolved

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...

4 years 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]

4 years 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.

4 years 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 ...

4 years 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...

4 years 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...

4 years ago | 1 answer | 0

### 1

answerSolved

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...

4 years 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...

4 years ago