Answered
Need help: Understanding Kalman Filter (measurement data)
hi, NO that equation depends on the system on which you are applying Kalman filter . you can start first by looking at this...
Need help: Understanding Kalman Filter (measurement data)
hi, NO that equation depends on the system on which you are applying Kalman filter . you can start first by looking at this...
13 years ago | 0
Answered
Interpolating Values Along Line
hi, you mean interpolating the matrix P of pressure to increase the samples, or to find the coordinates where certain values ...
Interpolating Values Along Line
hi, you mean interpolating the matrix P of pressure to increase the samples, or to find the coordinates where certain values ...
13 years ago | 0
Answered
Draw Solid on matlab
hi try : P=randn(100,1); r=reshape(P,10,10); mesh(r), shading interp;
Draw Solid on matlab
hi try : P=randn(100,1); r=reshape(P,10,10); mesh(r), shading interp;
13 years ago | 0
Answered
derivative of speech signal
hi, try : load gong.mat; dy=diff(y); dy(end+1)=dy(end); figure, plot(y), hold on, plot(dy,'r'), hold off
derivative of speech signal
hi, try : load gong.mat; dy=diff(y); dy(end+1)=dy(end); figure, plot(y), hold on, plot(dy,'r'), hold off
13 years ago | 0
Answered
Different SNR estimation with FFT and Welch, which is the problem?
hi, So far to have the correct SNR for the sinc(B*t) signal change spectrum method to periodogram : %hp = spectrum.welc...
Different SNR estimation with FFT and Welch, which is the problem?
hi, So far to have the correct SNR for the sinc(B*t) signal change spectrum method to periodogram : %hp = spectrum.welc...
13 years ago | 0
Answered
find out in which row an element is equal to a specific number
hi try : [x,y]=find(data18(:,1)>1500);
find out in which row an element is equal to a specific number
hi try : [x,y]=find(data18(:,1)>1500);
13 years ago | 0
Submitted
Projectile Motion in Weak Gravitational Field,(g=3.71 m/s²)
Simulation of triple projectile in weak gravitational field (Mars ).
13 years ago | 2 downloads |
Answered
Different SNR estimation with FFT and Welch, which is the problem?
hi, i tried but still can not find the reason of the doubled SNR, i format the code for next time, however the signals below giv...
Different SNR estimation with FFT and Welch, which is the problem?
hi, i tried but still can not find the reason of the doubled SNR, i format the code for next time, however the signals below giv...
13 years ago | 0
Answered
How to interpolate if the function is not strictly monotonic increasing
hi, try : n=2; T2=interp(T,n); %size(T2)=n*size(T); fine?
How to interpolate if the function is not strictly monotonic increasing
hi, try : n=2; T2=interp(T,n); %size(T2)=n*size(T); fine?
13 years ago | 1
| accepted
Answered
add elements to an existing vector
hi, try this : R=rand(1,10); % initial vector add=NaN*ones(1,5); New=[add R];
add elements to an existing vector
hi, try this : R=rand(1,10); % initial vector add=NaN*ones(1,5); New=[add R];
13 years ago | 0
Answered
saving signal values to a matrix
hi, The display if made by factorizing the values of the matrix z : try : format long display(z*1e+11) % so the...
saving signal values to a matrix
hi, The display if made by factorizing the values of the matrix z : try : format long display(z*1e+11) % so the...
13 years ago | 0
Answered
i have a 2 very large matrix, i dont want to put the matrix in main coding file, is their any way to make a seperate file for those input matrix and execute with the main file?
hi, you can save them separately and call one of them when you have to : save data1 bdata save data2 ldata Now you have...
i have a 2 very large matrix, i dont want to put the matrix in main coding file, is their any way to make a seperate file for those input matrix and execute with the main file?
hi, you can save them separately and call one of them when you have to : save data1 bdata save data2 ldata Now you have...
13 years ago | 1
| accepted
Answered
Is there a function out there to find a matrix parameter so that the Eigenvalues come out to be a predetermined number?
hi, try : max(abs(eig(M)));
Is there a function out there to find a matrix parameter so that the Eigenvalues come out to be a predetermined number?
hi, try : max(abs(eig(M)));
13 years ago | 0
| accepted
Answered
finding the distance between points
hi, the Dynamic 2D position is defined as : X(t)=V*cos(theta)*t+X0 & Y(t)=V*sin(theta)*t+Y0...
finding the distance between points
hi, the Dynamic 2D position is defined as : X(t)=V*cos(theta)*t+X0 & Y(t)=V*sin(theta)*t+Y0...
13 years ago | 0
| accepted
Answered
How to find a real positive root
hi, try this essay : counter=1; for A=1:100 f=@(x) x^3-A; alpha=fzero(f,A); if isa(alpha,'complex...
How to find a real positive root
hi, try this essay : counter=1; for A=1:100 f=@(x) x^3-A; alpha=fzero(f,A); if isa(alpha,'complex...
13 years ago | 1
| accepted
Answered
MATLAB -- how to create a parabolic arc?
hi, The parabola's equation is defined y=ax²+bx+c, you need to set the coefficients a,b,and c so as the line passes through...
MATLAB -- how to create a parabolic arc?
hi, The parabola's equation is defined y=ax²+bx+c, you need to set the coefficients a,b,and c so as the line passes through...
13 years ago | 1
| accepted
Answered
use the for or while looping to the series S=4*[sin(theata)/1 +sin(3theata)/3+sin(5theata)/5+.....] ,,in the range 0<theata<pi with error bound of 10^-6..?....please help me to solve this question in the earliest opportunity
Try this version : % theta=0:pi/30:pi; theta=0:0.01:2*pi; S=0; tolerance=1e-6; n=1; r=6; % random counter=1; ...
use the for or while looping to the series S=4*[sin(theata)/1 +sin(3theata)/3+sin(5theata)/5+.....] ,,in the range 0<theata<pi with error bound of 10^-6..?....please help me to solve this question in the earliest opportunity
Try this version : % theta=0:pi/30:pi; theta=0:0.01:2*pi; S=0; tolerance=1e-6; n=1; r=6; % random counter=1; ...
13 years ago | 0
| accepted
Answered
Modeling partial differential equations
hi, I have no knowledge about pde in smulink, but if you have the PDE toolbox, then you can start by : >>pdetool
Modeling partial differential equations
hi, I have no knowledge about pde in smulink, but if you have the PDE toolbox, then you can start by : >>pdetool
13 years ago | 0
Answered
how to create this vector [ 10 9 10 9 ...] with one command
hi, try : v=repmat([10 9]',[50 1]);
how to create this vector [ 10 9 10 9 ...] with one command
hi, try : v=repmat([10 9]',[50 1]);
13 years ago | 0
| accepted
Answered
How to plot a complicated function
hi, the vector x depends on the value c too, same as y , so they are also anonymous functions, in this case you have three a...
How to plot a complicated function
hi, the vector x depends on the value c too, same as y , so they are also anonymous functions, in this case you have three a...
13 years ago | 1
Answered
how to generate white noise of particular frequency in matlab ?
hi, I think you are talking about Colored noise, and bandwidth of 4hz not particular frequency, White noise contains all t...
how to generate white noise of particular frequency in matlab ?
hi, I think you are talking about Colored noise, and bandwidth of 4hz not particular frequency, White noise contains all t...
13 years ago | 3
| accepted
Answered
hello professinals suggest me matlab code
hi, you have one equation and two unknowns ! Example :suppose you only have one unknown e : dp=2.5; kp1=cos(10); p...
hello professinals suggest me matlab code
hi, you have one equation and two unknowns ! Example :suppose you only have one unknown e : dp=2.5; kp1=cos(10); p...
13 years ago | 0
Answered
Can you please explain the meaning for below error meessage code
hi, Your matrix is neither M-by-N nor M-N-3 check : whos im In order to visualize it, you need to adjust the size, if...
Can you please explain the meaning for below error meessage code
hi, Your matrix is neither M-by-N nor M-N-3 check : whos im In order to visualize it, you need to adjust the size, if...
13 years ago | 0
| accepted
Answered
How to draw a density function?
hi, you mean probability density function ? try : doc pdf For example, you want to draw the Normal PDF over the ran...
How to draw a density function?
hi, you mean probability density function ? try : doc pdf For example, you want to draw the Normal PDF over the ran...
13 years ago | 0
Answered
I just need a bit of help starting a code.
hi, Micheal,i start with the board : a=[0 1;1 0]; P=repmat(a,[4 4]); % it contains 64 cells, imagesc(P), colormap gray ...
I just need a bit of help starting a code.
hi, Micheal,i start with the board : a=[0 1;1 0]; P=repmat(a,[4 4]); % it contains 64 cells, imagesc(P), colormap gray ...
13 years ago | 2
| accepted
Submitted
Cooling temperature of glass of water using Newton's law
Computing the temperature of glass of water in time domain using Newtons's law .
13 years ago | 9 downloads |
Answered
Matlab Coherence function
hi Don try this function : function [MSC]=coherence_MVDR(x1,x2,L,K) %% This program computes the coherence function ...
Matlab Coherence function
hi Don try this function : function [MSC]=coherence_MVDR(x1,x2,L,K) %% This program computes the coherence function ...
13 years ago | 0
Answered
I need help with fourier transform
hi, John, You can compute theirs spectrums , the only thing you need is the sample rate , here is an example : 1) Function...
I need help with fourier transform
hi, John, You can compute theirs spectrums , the only thing you need is the sample rate , here is an example : 1) Function...
13 years ago | 0
| accepted
Answered
Show column which starts with certain numbers
hi, try : a=rand(500); a(1:2,312)=[1 2]; % for example the column 312 starts with [1 2] b=a(1:2,:); test=[1 2]'; ...
Show column which starts with certain numbers
hi, try : a=rand(500); a(1:2,312)=[1 2]; % for example the column 312 starts with [1 2] b=a(1:2,:); test=[1 2]'; ...
13 years ago | 0
Answered
Solving a Differential equation plus plotting results: Fluid Mechanics
hi Kyle, You can try as the following : 1) Create a function in M-file inwhich you define the equation : function dh...
Solving a Differential equation plus plotting results: Fluid Mechanics
hi Kyle, You can try as the following : 1) Create a function in M-file inwhich you define the equation : function dh...
13 years ago | 0