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Last seen: 7 mois il y a |  Actif depuis 2020

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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...

plus d'un an il y a | 1 réponse | 0

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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...

plus d'un an il y a | 1 réponse | 0

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Question


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,:)'; ...

plus d'un an il y a | 1 réponse | 0

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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...

environ 2 ans il y a | 2 réponses | 0

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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-...

presque 3 ans il y a | 1 réponse | 0

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Réponse apportée
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...

presque 3 ans il y a | 0

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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...

presque 3 ans il y a | 4 réponses | 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...

presque 3 ans il y a | 2 réponses | 0

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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...

presque 3 ans il y a | 1 réponse | 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...

environ 3 ans il y a | 1 réponse | 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 3 ans il y a | 2 réponses | 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...

plus de 3 ans il y a | 1 réponse | 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...

plus de 3 ans il y a | 3 réponses | 0

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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 de 3 ans il y a | 1 réponse | 0

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Réponse apportée
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 de 3 ans il y a | 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 de 3 ans il y a | 1 réponse | 0

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A résolu


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,...

presque 4 ans il y a

A résolu


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...

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A résolu


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]; ...

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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...

presque 4 ans il y a | 2 réponses | 0

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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...

presque 4 ans il y a

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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]

presque 4 ans il y a

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

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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...

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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 4 ans il y a | 1 réponse | 0

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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 4 ans il y a

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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 4 ans il y a

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