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Feeds
Why the filter has no output?
Here is another example of analog filter with Matlab codes: fs = 100; t = 0:1/fs:1; x = sin(2*pi*t*3)+.25*sin(2*pi*t*40); No...
circa un anno fa | 0
Why the filter has no output?
here are the codes of that book: clc; clear all; close all; f1=5; f2=60; t=-0.25:0.00125:0.25; xc_t=cos(2*pi*f1*t)+cos(2*pi...
circa un anno fa | 0
Why the filter has no output?
According some books, for exmple the "MATLAB Applications for Digital Signal Processing from Sampling to Filter Design " By Orh...
circa un anno fa | 0
Domanda
Why the filter has no output?
I designed an analoge filter, but it has no signal's output. Can anyone tell me what's wrong in my code? t=0:.00001:1; f1=40;f...
circa un anno fa | 5 risposte | 0
5
risposteDomanda
what is wrong with my calculation?
It hints the expresion was wrong when I solve the equations as follow: >>syms rs xs rp xp >> [xs,xp]=solve(rs*rp^2/(rs^2+(xs+x...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Why the results are different when use different letters?
I solve same equations in different ketters and got fifferent results as follow: But rs=a, xs=b, rp=c and xp=d. the equations...
quasi 4 anni fa | 3 risposte | 0
3
risposte3
risposteDomanda
How to vectorize the function?
I run the following codes and had the result of fplot. But comes also some warning as in the bottom, Can anyone tell me how to...
circa 4 anni fa | 2 risposte | 0
2
risposteDomanda
In the Symbolic toolbox,how to get the results like in the old version
In the symbolic toolbox, the results in newer version are different from the old version. For example: >> syms x >> int(1/(x-...
circa 4 anni fa | 2 risposte | 0
2
risposteDomanda
如何处理符号运算在不同版本的差别
同样的符号运算，在MATLAB的新旧版本里得到的结果是不一样的，比如 >> syms x >> int(1/(x-x^2)) 在新版本里： ans = 2*atanh(2*x - 1) 在旧版本里： ans= log(x)-log(x-1)...
circa 4 anni fa | 0 risposte | 0
0
risposteDomanda
How to multiply 2 arrays by elements
I have 2 arrays of complex numbers and want to get the result of multiply element by element. What can I do? thanks a lot!
circa 4 anni fa | 1 risposta | 0
1
rispostaDomanda
how to vectorize a function?
I ran the following and got some reply: >> y=@(x)x^2; >> fplot(y) 警告: 函数处理数组输入时行为异常。要改善性能，请将您的函数正确向量化，以返回大小和形状与输入参数相同的输出。 >...
oltre 4 anni fa | 2 risposte | 0
2
risposteDomanda
What is the prblem?
I run the following sentens and got the warnings, someone can explain them? >> y=@(x)x^2; >> fplot(y) 警告: 函数处理数组输入时行为异常。要改善性能...
oltre 4 anni fa | 0 risposte | 0
