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How can I increase the notch attenuation without changing the bandwidth?
You can place two similar notch filters in a cascated way: clc; clear; %% parameters Fs = 1500; % Sampling Fre...

6 years 前 | 0

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How to put constraints to an equation[constant]?
My suggestion: clear; clc; syms x f(x)=piecewise((2<=x & x<=4), 1/2, 0) fplot(f(x), 'LineWidth', 3); ...

6 years 前 | 1

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calculating number of comparison in a vector
It depends on the algorithm than you will use. You can use a <https://en.wikipedia.org/wiki/Bubble_sort bubble sort> routin...

6 years 前 | 0

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How to calculate integral along the boundary of closed curve?
Provided than (x,y) points are very dense you can approximate the area you ask, good enough: clear; clc; % generatio...

6 years 前 | 1

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Multiple plots in one m file
Before using plot() command you should place a "figure" command For example: clc; clear; close all; t=0:0.1:10; ...

6 years 前 | 0

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ifft output is complex?
After the manipulations of fft values X , If abs(X) exhibits even symmetry and angle(X) odd symmetry, then ifft should give ba...

6 years 前 | 1

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How to properly plot a graph for these values in a single plot.
Your problem is data into X . Matlab expects that X contains numeric values. But in your case, if you display values of X , ...

6 years 前 | 0

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Unable to find explicit solution
Your query is a mathematical issue and not a matlab issue. Let me give you an example... Supose you want to solve analyt...

6 years 前 | 0

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Weights of LMS adaptives filter: bode commant, plot magnitude and phase
Here you are a more complete script: clear; clc; close all; %% problem definition % LMS weights w=[ -0.1229 ...

6 years 前 | 0

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Weights of LMS adaptives filter: bode commant, plot magnitude and phase
A very useful script for your case: clear; clc; close all; % LMS weights w=[ -0.1229 -0.0786 -0.0...

6 years 前 | 0

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How to set initial values for the start of a feedback loop in Simulink
A common and popular way to set initial conditions inside a closed loop is to put delay elements at the feedback path. Anyway, f...

6 years 前 | 3

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I want to make a function in which it takes 2 Input argument (polynomial order n , polynomial coefficient vector ) and gives the output polynomial equation f(x). Also, In the function i take input values of x and my function gives output values of f
clear; clc; close all; V_example=[3 4 5 6 7 ]; n_example=length(V_example)-1; y=my_poly(n_example, V_example)...

6 years 前 | 0

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Plotting a radial function f(r), in a 3d isotropic way, with axes (x,y,z=f(x^2+y^2)).
I reshaped my code. Lets say that we have loaded values of r and f(r) from a file. Cause I haven't these files , I must crea...

6 years 前 | 0

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Plotting a radial function f(r), in a 3d isotropic way, with axes (x,y,z=f(x^2+y^2)).
Dear Erez Here you are my suggestion: clc; clear; close all; % values of r r=0:0.1:8; % create value...

6 years 前 | 0

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problem with frequency domain using fft on raw data
Instead of plot(f, P1) i suggest to use plot(f, 20*log10(P1));

6 years 前 | 0

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How to draw 3D bar graph of Z for specified value of X and Y.
I thing you should use stem3 command. Have a look at the following example: clear; close all; clc; x = 0:1:10; ...

6 years 前 | 1

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how to plot the log scale for the following values ?
clear; close all; clc; x = [2.51 ;2.55; 2.56]; y = 10:10:30; loglog(x,y,'bo-'); grid on; zoom on;

6 years 前 | 0

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How to calculate mean of this signal in the image below.
I tried to generate your input data. If you set noise_amp=0, you will observe the influence of moving average on your useful ...

6 years 前 | 2

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I've just started learning matlab and I am trying to solve this differential equation
you can access the value of y(1) by writting .... y(1) syms y(x) %dy=diff(y) ode= diff(y,x,2)+3*y==0 ...

6 years 前 | 0

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f(x,y) = xy/(x²+y²) ,(x,y)≠(0,0), 　f(x,y)= 0 , x=y=0.How to draw a graphics by using Matlab.
Provided that you have symbolic maths toolbox you can use the following code : clear; clc; syms x y % define func...

6 years 前 | 1

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Hi !! I want to find area under a sine curve , from interval 0.1 to 0.3.
You have a syntax error on your command. You must omit parenthesis from sin function. I am giving it to you at the proper form...

6 years 前 | 0

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Pre–emphasis - Signal Processing
Your question regards frequency response of FIR filters. I suggest to study (and run) the following script. clear; clc; c...

6 years 前 | 0

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Matlab gets basic arithmetic completely wrong!
Vector v1 is corrupted. It contains "NaN" at the most of its values. Matlab subtracts only at positions where v1 contains vali...

6 years 前 | 1

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How do I solve complex Integro-Differential equations in MATLAB?
Hi Aditya In order to solve this kind of equations symbolically, you should have Symbolic Math Toolbox. Provided that, I'...

6 years 前 | 1

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How to provide Matlab output(stream of 1s and 0s) as input to SIMULINK and view via a scope?Am new to Simulink
You have two optons: 1) load your data directly from workspace into simulink, using "From Workspace" block 2) save your da...

6 years 前 | 1

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Different time response of same trasfer function in matlab and simulink
At simulink, you have to go to << Model Configuration Parameters> <</matlabcentral/answers/uploaded_files/128278/p1.jpg>> ...

6 years 前 | 0

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How to create initial population of 100 random set of coefficient for design filter using genetic algorithm?
Hi Johan I suggest the following script: % Generation of N sets of coefficients. Each set of contains M values N=100...

6 years 前 | 0

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i have variables 'Ereal2',Ereal3,Ereal4,Ereal5.....so on.....how to call these variable in a single loop one by one.
Hi Ravi I have to agree with Jonas. But if you insist to use indexing which is embedded to the variable name, you can take ...

6 years 前 | 0

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FFT: Trouble with getting plausible frequencies
Only 288 data points maybe are not enought to show you the spectrum of your data. With your code, you evaluate an FFT of lengt...

6 years 前 | 0

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Power amplifier transfer function plot
You must plot output power vs input power. And this must be done be regarding that PA's gain is 0dB. The later can be accomp...

6 years 前 | 0

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