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How to do fast fourier analysis of first harmonic in matlab?
In simulink there is a block called, Fast Fourier Analysis, that given the fundamental frequency it extracts the phase delay and...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
How to use do machine learning/neural networks in matlab?
I have a Displacement Trend, lets say D=[0 1 2 3 4] Associated with this Power Used: P=[0 5 4 2] The data recorded of the ou...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to plot a vector for fixed intervals
Hello, I have a vector of times for example [t1 t2 t3 t4]. I also have a vector of values A=[a1 a2 a3 ] .I need to plot between ...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Simple Indexing problem when creating a matrix
I have this vector A=[0 60 120 180 240 300 360]; And I have a variable n. Lets say n=24. I neet a matrix with the first row A ...
circa 2 anni fa | 2 risposte | 0
2
risposteDomanda
How to find the x value of a function given by points?
tinterval=[0:0.001:40]; %sec acc=3; w0=30; Wspeed=acc*tinterval+w0; tetae=Wspeed.*tinterval; tetaeFract=rem(tetae,360); ...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Simulink - How to exctract the exact time the derivative is different from 0?
Hello I have this yellow signal: I need to subtract the blue output a constant that exactly the output of the yellow signal(yax...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Simulink - How to extract the time when the signal is on?
Hello, have the yellow signal and I am trying to extract the time as a constant only when the yellow signal is on. I have foun...
circa 2 anni fa | 2 risposte | 0
2
risposteDomanda
How to plot a matrix in 3d?
I would like to plot a simple square matrix in a 3d plot, where in xlabel there is the index of rows or colums as well for the y...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Help With for loop with tranfer function and step
s=tf('s'); G=1/(s^2+0.4*s+0.1); K=[1 2 3 4 5 6]; figure hold on for i=1:1:length(K) T=K(i)*G; step(T) S=...
circa 2 anni fa | 2 risposte | 0
2
risposteDomanda
Help with simple nested function
The function i am trying to get is: %first mode function g=hall(t) lolla=seno(t); function h=seno(t); h=sin(t);...
circa 2 anni fa | 3 risposte | 0
3
risposteDomanda
How to find the minimum of an array element, but in a interval?
I have an array A=[0.5 3 10] I want x=3. In general how to extract from an array minimum element in a interval. In this case i...
circa 2 anni fa | 2 risposte | 0
2
risposteDomanda
How to insert an input in a constant in simulink?
Hello, I have an input in simulink coming from another system. This input must be used as element in a matrix. The obtained matr...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to use fminbnd but with multiple variables
I have a function of multiple variables defined in a specified range. They can be even vectors. I want to find the minimum of a ...
oltre 2 anni fa | 2 risposte | 0
2
risposteDomanda
Which is the most accurate way to solve these equations?
Where for semplicity A, B, E can be assumed = 1. u, v and w are velocity components and t is time. Also intial contiti...
quasi 3 anni fa | 1 risposta | 0
