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## Matlab Equation |

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solve equation matlab , matlab solve equation , matlab equation line , matrix equation using matlab

244 Threads found on edaboard.com: **Matlab Equation**

ir , one **matlab** code from a discussion helped me to do my work,Now I need to get the gain **equation** of kalman filter ,to compare the code .
K(1:5,k)=sig(1:5,5*k-29:5*k-25)*F(1:5,k)*inv(F(1:5,k)'*sig(1:5,5*k-29:5*k-25)*F(1:5,k)+R); %Kalman Gain
sig(1:5,5*k-24:5*k-20)=sig(1:5,5*k-29:5*k-25)-sig(1:5,5*k-29:5*k-25)*F(1:5,k)*inv(F(1:5,k)'*sig(1:5,

Digital Signal Processing :: 10-24-2016 08:14 :: AkhilaSayooj :: Replies: **0** :: Views: **705**

Loss of connector can be determined directly from Insertion loss information in S12 or S21 but that will be at particular frequency since you have a range of frequency so you will get a trend in loss by observing insertion loss.
To find the polynomial you can use **matlab** or even EXCEL that is very easy

RF, Microwave, Antennas and Optics :: 09-13-2016 15:27 :: nomigoraya :: Replies: **3** :: Views: **595**

hi,
I want to plot the diffracted field by a PEC wedge. I posted the **equation** and the main plot and my code's figure in an Image.
and this is my **matlab** code,but I receive this error:
Warning: Imaginary parts of complex X and/or Y arguments ignored
> In polar (line 192)
In wedgemodal11balanis (line 28)
my code:
clc
clear all

Electromagnetic Design and Simulation :: 04-12-2016 09:19 :: mohammad.rashedi :: Replies: **0** :: Views: **706**

Iam using s-parameters values to calculate the ECC values. I extracted S11, S21, S12 and S22 from the simulator and used in **matlab** to find ECC. ECC values calculated from simulator(CST) and **matlab** differs. Any suggestions to solve it

RF, Microwave, Antennas and Optics :: 02-24-2016 11:25 :: gichand :: Replies: **3** :: Views: **1540**

Hiho,
I am doing research using **matlab**- R(2011a) for noise cancellation using IIR LMS and unscented kalman filter. But I don't know how to create the code using **matlab** for IIR LMS. And for UKF, i dont know what is the **equation** of non linear state **equation** representing speech. Please could some experts can help me to solve (...)

Digital Signal Processing :: 02-15-2016 11:42 :: fajarafrian :: Replies: **0** :: Views: **1252**

hi,
I want to simulate diffraction from wedge with **matlab** using **equation** in balanis electromagnetic book.
but my fiqure is not look like book's figure.
my code is:
clear all
clc
c=5*(pi/12)
q=(pi/4:pi/180:(9*pi)/4)
a=pi/4
o=q-a
f=100
for m=1:1:f
z=j^(m/2)
t=besselj(m/2,2*pi)
b=sin(m/2*c)
d=sin(m/

Electromagnetic Design and Simulation :: 12-11-2015 10:37 :: mohammad.rashedi :: Replies: **4** :: Views: **881**

Hi anyone
I'm designing a coupled line directional coupler. In the design procedure, I have two nonlinear **equation**s to be solved. I tried to solve this **equation**s with 'solve' function in **matlab**, but the given answers are not true. I also used the 'ezplot' function to solve the **equation**s, but it shows numerous intersections (...)

RF, Microwave, Antennas and Optics :: 07-01-2015 12:14 :: beta3 :: Replies: **1** :: Views: **651**

hi.
I have to write following **equation** by "**matlab** function block" of **matlab**-simulink.
my **equation** has two-expression and is periodic:
A(t) = 1; 0equation in "**matlab** function block". (I (...)

PC Programming and Interfacing :: 05-16-2015 11:50 :: ghasem_008 :: Replies: **0** :: Views: **1041**

If you have **matlab**, can do that by regression algorithms, like that:

Mathematics and Physics :: 03-26-2015 17:37 :: andre_teprom :: Replies: **19** :: Views: **2101**

hi, i want code this in **matlab**
1. Find the SVD of the controllability and observability grammians
P = Up Σp VpT
Q = UqΣq VqT
2. Find the square root of the grammians (left/right eigenvectors)
Lp = Up Σp?
Lo = Uq Σq?
3. Find the SVD of (LoTLp)
Lo^T Lp = U Σ V^T
I already code for no 1 and no 2.but,

Software Links :: 01-21-2015 03:18 :: meliasamad :: Replies: **0** :: Views: **38**

hi there,i have a nonlinear **equation** for insertion loss in generalized chebyshev like this:
IL(x)=cosh((N-3)*acosh(x*sqrt((Omega0^2 -1)/(Omega0^2 -x^2)))+3*acosh(x));
now i want to find roots of this **equation** in **matlab**:
1+jεIL(x) & 1-jεIL(x)
ε=0.100503781525921;
Omega0=1.32551104310002;
this is urgent, please (...)

Mathematics and Physics :: 10-07-2014 08:36 :: ehsan_faal :: Replies: **3** :: Views: **1742**

How can I solve this Airy Function in **matlab**?
{ d}^{2 }W/d{ z}^{2 }-(10z+5)=0

Mathematics and Physics :: 09-28-2014 20:15 :: hosein527 :: Replies: **1** :: Views: **978**

Hi guys,
I am trying to write a **equation** by using simulation but I don't know how can I simulate the **equation** with integral. I know how to solve a first and second order differential **equation** in **matlab** but this is not a differential **equation**!!! what should I do?
the **equation** is:
L = (...)

Electromagnetic Design and Simulation :: 05-20-2014 03:14 :: babak1 :: Replies: **1** :: Views: **896**

You can write H(z) directly in **matlab** and then find the poles and zeroes. Then use the **equation** form for direct form 2, cascade form, parallel etc. and write them in **matlab** to analyze.
I could not find function which automatically breaks H(z) and then arrange them in required form.
Hope that helps.

Digital Signal Processing :: 05-26-2014 09:18 :: ashugtiwari :: Replies: **1** :: Views: **614**

I wish to find all possible roots of the **equation**
1-(x^-1)-x^1.5=0
How to do this in **matlab**???

Mathematics and Physics :: 05-18-2014 18:28 :: pankaj jha :: Replies: **2** :: Views: **913**

Hello
I am in need of **matlab** Program for plotting b versus V parameter for step index multimode fibers
The relation between this two parameters involves bessel functions of first and second kind and hence the plotting needs inverse bessel function or else we have to solve a transcendental **equation** which is quite tedious
Kindly help me

RF, Microwave, Antennas and Optics :: 05-06-2014 07:38 :: ps08091989 :: Replies: **0** :: Views: **921**

Hi,
I've problem in know signal frequency in **matlab**?
Is there any way to know that? any function to calculate it?
for example
t=-10:0.001:10;
a=sin(2*pi.*t);
what's the frequency of a?
best regards

Elementary Electronic Questions :: 03-07-2014 10:27 :: 30min :: Replies: **5** :: Views: **731**

101051
anyone can help me how to inter the sum part in **equation** in **matlab**

Digital communication :: 01-16-2014 01:57 :: salwa mostafa :: Replies: **0** :: Views: **603**

Hi.
Before start to design the SAR ADC, i want to simulate the relationship between capacitor mismatches of CDAC and SAR ADC using **matlab**.
when capacitor mismatch ratio is 'sigma' and Cu is unit capacitance,
plz check the **equation** and next **matlab** code
capacitor mismatch ratio ~ N(0,sigma^2)
when i want to make the capacitors (...)

Analog Circuit Design :: 12-28-2013 14:18 :: je01911 :: Replies: **0** :: Views: **1793**

Hi ,
currently I am trying to develop a **matlab** code for calculating the electric field in 3D rectangular metallic waveguide
can any one help me ,what is the **equation** for point source excitation for the case of 3D point rectangular metallic waveguide how to implement the excitation and **equation** for this
I hardly find a papers (...)

RF, Microwave, Antennas and Optics :: 12-24-2013 19:21 :: jackolary :: Replies: **1** :: Views: **1104**

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