fafz1203
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Awarded to fafz1203 on 09 Oct 2019
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Awarded to fafz1203 on 20 Jul 2017
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randomly selecting and deleting rows from a matrix
b = X; %X is a 600 by 40 matrix xnew = b(randperm(427),:); i want to determine the 173 rows in b that were not selected ...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
binary stump prediction algorithm
can anyone help me implement a simple custom binary stump training/prediction algorithm in matlab?
mehr als 8 Jahre vor | 0 Antworten | 0
0
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multidimensional histogram plot from a csv data
hi, I have a csv data imported to MATLAB. It has the following data, *Age* *Gender* *Race* 39 1 1 50 1 1 38 1 1 53 1 2 ...
mehr als 8 Jahre vor | 0 Antworten | 0
0
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1-NN classification using a testing data
I have a certain testing data (xTest and yTest). both are matrices. I want to perform a 1-NN classification and report the test...
mehr als 8 Jahre vor | 0 Antworten | 0
0
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finding the N highest values in a vector
i have a vector matrix with a (1*10,000) dimension. I want to find the 10 highest values from this matrix with their respective ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
highest correlation values of a data
i have the following data, i want to find 10 columns of * _h_* that are correlated with _ *j*_ the most. That is, the columns th...
mehr als 8 Jahre vor | 0 Antworten | 0
0
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plotting using a box plot
The following MATLAB code works correctly. After making this calculations I want to do 100 realizations of the training data (xT...
mehr als 8 Jahre vor | 0 Antworten | 0
0
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creating a function for my repeating computation
I want to create a function for the following set of repeated computations i will be performing in my work. d = ((x*b) ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
model estimation using training data
I want to estimate a linear model given training data. the linear model equation is given by y=Xb, where 'b' is the model. A...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
random data generation using mean and identity matrix
i want to create a random variable X~N(mu,A), mu is mean = 0 and A is a 10*10 identity matrix. what I want to do is to generate...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Warning: Matrix is singular to working precision
i am experiencing the above warning while running this code sigma = eye(10); mu = repelem(zeros,10); xTrain = mvnrnd ...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
generating a random variable
Here is what I want to do I want to generate a random variable X (X~N(0,A)), that is it has 0 mean and A is a 10*10 covariance m...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
generating a random variable with a given mean and matrix
can any one tell me how to generate a NORMAL DISTRIBUTION random variable X = N(mu,A), where mu is the mean (mu = 0, 0 mean) and...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Differential Privacy using Laplace Mechanism
Is anyone willing to help me with this assignment?
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
qda plot please look at code
Can anyone check what is wrong with this code? I want to plot a Quadratic Discriminant Analysis with a scatter plot instead I'm...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
level curve of two pdfs
hi, i want to plot the level curve (using contour function) of the intersection of two PDFs. one with mu = [1,1] and sigma = [2...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
LDA plot from a discriminant function
Hi, given the following training samples and linear discriminant function: training samples: N = 10 samples from a normal distr...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
generate sample from a normal distribution
Hi, I want to generate N=10 samples from a normal distribution with, mu = [1,1] and sigma = [2,-1;-1,1] in matlab? Thanks
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
displaying the level curve of a probability density function
I have a probably density function given below, it is attached as .jpg. - now i want to display it's level curves on a basic ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Plotting a given command
HI, I am very new to Matlab. How do I plot the command below, please help me ASAP. mu = [1,1]; sigma = [2,-1;-1,1]; rng...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Generating a normal distribution to a given distribution
Hi, I am having trouble with this question, can someone help me ASAP. Generate N = 1000 samples from a standard normal distri...
mehr als 8 Jahre vor | 0 Antworten | 0
0
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