# safi58

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**Content Feed**

Question

why if elseif statement is not working

Hi, I have this following code and attached data. only if statement is working but not the rest. can any please help? clc c...

1 year ago | 2 answers | 0

### 2

answersQuestion

How to get symmetrical phasor using Symmetrical-Components Transform block?

Hi, I can see I can get Va symmetrical components using simulink symmetrical component transfer block. how can I get remaining ...

1 year ago | 0 answers | 0

### 0

answersQuestion

GA Optimization terminated without converging

Hi, I am using GA toolbox for an optimization problem. but it is showing following message even before converging.. "Optimizat...

1 year ago | 1 answer | 0

### 1

answerQuestion

Optimize two objective functions using fmincon

I have two objective functions which would optimize same variables. I have done the optimization individually and they are worki...

5 years ago | 1 answer | 1

### 1

answerQuestion

numerical solution of equations

% clc clear all L_r=2.4e-6; L_m=11e-6; C_r=1.3e-6; R_L=533.33; f_s=95e+3; n=0.067; V_in=20; R_ac=n^2*R_L*8/pi^2; f...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to find symbolic solution for theta1?

clc clear all syms m_c_theta1 m_c0 M theta1 j_L0 j_L_theta1 l j_Lm_gama syms m_c_theta2 theta2 j_L_theta2 m_c_gama k1...

5 years ago | 1 answer | 0

### 1

answerQuestion

error message in solving symbolic equation???

syms m_c0 j_L0 theta1 M m_c_gama j_L_gama j_L_theta1 m_c_theta2 _L_theta2 syms m_c_theta1 gama l theta2 k1 eqn1=m_c_th...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to find the expression for theta1?

theta1=2*atan((2*tan(theta2/2)*tan(gama/2 - theta2/2) + (4*tan(theta2/2)^2 - 4*M^2*tan(theta2/2)^2 - 4*M^2*tan(gama/2 - ...

5 years ago | 2 answers | 0

### 2

answersQuestion

How to Simplify an symbolic expression

Hi all, I want to simplify this equation a= 2 atan((-2+Sqrt(4-gama^2 *l^2* M^2-4* gama *l* M^2 *tan(gama/2)+4* tan(gama/...

5 years ago | 2 answers | 0

### 2

answersQuestion

How to add symbolic variables like alpha, theta in Figure axis?

Hi all, How to add symbolic variables like alpha, theta in Figure axis? Can anyone help?

5 years ago | 1 answer | 0

### 1

answerQuestion

why am I getting imaginary values?

Hi all, I have tried this one but I am not quite sure why I am getting imaginary values? The values should be approximately j_L0...

5 years ago | 1 answer | 0

### 1

answerQuestion

Fundamental component of waveforms

<</matlabcentral/answers/uploaded_files/70512/waveform.jpg>> Hi all, I need to find the fundamentals of these two waveform...

6 years ago | 0 answers | 0

### 0

answersQuestion

numerical solution of equation

syms m_c_theta1 m_c0 M theta1 j_L0 j_L_theta1 l syms m_c_gama k1 gama j_L_gama j_L_theta1=1.5; theta1=120; k1=0.423;...

6 years ago | 2 answers | 0

### 2

answersQuestion

Error in solving equation

syms m_c0 j_L0 theta1 M m_c_gama j_L_gama j_L_theta1 m_c_theta2 _L_theta2 syms m_c_theta1 gama l theta2 k1 eqn1=m_c_...

6 years ago | 0 answers | 0

### 0

answersQuestion

How to solve equation

m_c_theta1=(m_c0-1/M-1)*cos(theta1)+j_L0*sin(theta1)+1/M+1; j_L_theta1=(-m_c0+1/M+1)*sin(theta1)+j_L0*cos(theta1); m_c_g...

6 years ago | 1 answer | 0

### 1

answerQuestion

Phase shifted Full bridge converter

Hi , I want to develop a phase shifted Full bridge simulink model in open loop control where I can change the phase manually....

6 years ago | 2 answers | 0

### 2

answersQuestion

how to plot a surface in MATLAB?

lamda=0.218; rl=2.2; N=20 [fi, fn] = meshgrid(linspace(10,180,N),linspace(1,2,N)); gamma=pi./fn; x=1-cosd(fi);...

6 years ago | 1 answer | 0

### 1

answerQuestion

How to do Surf plot

Q=0.25; L=5; a=1-cos(2*pi*D1/fn); x=(pi*D1)/(fn*L)*sin(2*pi*D1/fn); y=cos(2*pi*D1/fn)*((4*Q/pi*fn)+((pi^2*D1/f...

6 years ago | 1 answer | 0

### 1

answerQuestion

sample the waveform with nsample points for fft

mc0 = -0.5; jlr0 = -0.8; M = 0.99; alpharange = 6.5; %// degrees alpharange2 = 180; %// degrees mcalpha = (mc0 - (1 / M) ...

6 years ago | 0 answers | 0

### 0

answersQuestion

How to plot two equation consequetively

Hi, I have written this code and need to plot jlralph and jlrgamma in a continuous way from 0 to alpharange and alpharange to a...

6 years ago | 1 answer | 0

### 1

answerHow to use Fsolve with multiple variables

Hi Walter, after solving these equations i have found the initial condition. Can you please tell me how to draw these waveforms?...

6 years ago | 0

How to use Fsolve with multiple variables

in this paper on page 3284, they have used fsolve to solve those equations. see upper right side.

6 years ago | 0