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Question
How to find phase and frequency spectrum of signal?
I have a signal: t = -2:0.01:2; x = zeros(size(t)); x(t >= -2 & t < -1) = -1; x(t >= 0 & t <= 2) = -1; how I can find freq...
9 mois il y a | 1 réponse | 0
1
réponseQuestion
How can I copy all elements, which > 4 to vector V?
I have a M = magic(5) matrix. How can I copy all elements, which > 4 to vector V?
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
I should do the same sing, but woth '' \ '' operator.
I should do the same sing, but woth '' \ '' operator. ay1 = polyfit( x, Y1, 1 ) ay2 = polyfit( x, Y2, 1 ) % x = -4:0.5:10 ...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
I wrote this function, which should calculates the values of the linear interpolation
I wrote this function, which should calculates the values of the linear interpolation function x values given by Xl = [xmin, xm...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I find the coeficients alpha, beta of the simple linear regression, using "\" operator
How can I find the coeficients alpha, beta for the X coordinates of the simple linear regression, using "\" operator?
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I find the coeficients alpha, beta of the simple linear regression, using polyfit function?
How can I find the coeficients alpha, beta for the X coordinates of the simple linear regression, using polyfit function?
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I make a fuction that takes two points and returns the coefficients a, b
How can I make a fuction that takes two points p1 and p2 in 2D plane as input parameters and returns the coefficients a, b of a...
plus d'un an il y a | 2 réponses | 0
2
réponsesQuestion
How to creat noisy copies of vector?
I should generate values of a linear function f(x) = ax + b for the x variable taking on values from the interval <-4,10> with s...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I generate a pseudo random column vector V
for N = [1 2 5 10.^[ 1 : 5 ] ] V = rand( N, 1 ) ; % I'm not sure if it should look like this end I have this cycle, how c...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I generate a pseudo random column vector V
How can I generate a pseudo random column vector V of varying length L (where L will be changing in a cycle)?
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
I should calculate sample mean ms and variance
I should calculate sample mean ms and variance vs and for each I calculated ms and vs calculate their relative errors in percent...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I calculate vector relative errors in percent?
I have to calculated for each vector sample mean ms and variance vs and for each calculated ms and vs calculate their relative ...
plus d'un an il y a | 2 réponses | 0
2
réponsesQuestion
How can I calculate the sample mean and sample variance
I have a pseudo-random matrics M, sizes K-by-N. How can I calculate the sample mean and sample variance: 1) for each column, 2...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I generate a matrix of pseudo-random floating point values from a uniform distribution(5, 8), but without range() function and other ToolBoxes?
How can I generate a matrix of pseudo-random floating point values from a uniform distribution(5, 8), but without range() functi...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I make a linear regression coefficient calculation algorithm
function [alpha, beta] = linreg( x, y ) beta = cov( x, y ) / var( x ) ; % ... end I wrote this code and I cant undestand how...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I set the values of matrix in interval <a, b>?
Generate a matrix Ru of pseudo-random floating point values from a uniform distribution, a matrix Ri of pseudo- random integer ...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
How can I make a function that calculates the values of the linear interpolation ?
How can I make a function that calculates the values of the linear interpolation function f(x) = a.x + b for an interval of x va...
plus d'un an il y a | 1 réponse | 0