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Domanda
How to use a constraint on the output of a goal function?
I have an optimization problem where I have 5 variables to optimize. I am using fmincon now wih sqp approach, but in future I ma...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Plotting a 1D function by hovering on a 2D plot
Let's say I have a 2D surface plot of function x and y. So z is a function of x and y. I also have a variavle F which is a funct...
circa 3 anni fa | 2 risposte | 0
2
risposteDomanda
Closed form not the same as the discrete form
clear; lambda = 3e-2; x = 4 * pi/lambda * linspace(eps, 15, 100000); T = 5e-3; t = [0:0.001e-3:T] ; % 0.1:1e-3:0.1+T...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Avoiding for loops for multiplication of multidimensional matrices
I have to do a matrix multiplication of two vectors in principle to get a scalar. The vectors are (1 x 2) and (2 x 1). However, ...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Creating and recovering a frequency shift in time domain
I am trying to simulate and process Doppler signal. My main problem is a little more complex so I am only posting a simple versi...
oltre 4 anni fa | 0 risposte | 0
0
risposteDomanda
Why imagesc always interpolates the data?
I have a 3D data x = [-7.500000000000000,-5.625000000000000,-3.750000000000000,-1.875000000000000,0,1.875000000000000,3.75000...
oltre 4 anni fa | 0 risposte | 0
0
risposteDomanda
Why the FFT of the conjugate doesn't coincide exactly at the negative frequency of interest?
I am trying to understand why the conjugate of a signal in the time domain doesn't produce an exact flip of the frequency domain...
oltre 4 anni fa | 1 risposta | 0
1
rispostaDomanda
Why N point FFT of a under-sampled signal in time domain is worse than only a N point FFT of the time domain signal (Not resampled)
I am trying to understand what happens when I try to reconstruct the spectrum of a signal with fewer samples. I tried 2 approach...
oltre 4 anni fa | 1 risposta | 0
