# fima v

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Matlab logic of plotting meshgrid formula

There is a code which uses meshgrid which is basicly doing all combination of one vector with the size of the other vector and v...

5 months ago | 1 answer | 0

### 1

answerQuestion

optimization problem for exponential coefficients

Hello , i have the attached code which produces certain radiation pattern shown below. basicly in matlab view its AF,theta plot...

6 months ago | 1 answer | 0

### 1

answerQuestion

inverse FFT for recreating radiation pattern

Hello,I have created a code which created the plot below. The heart of the code is the AF expression.(array factor) I want to do...

6 months ago | 1 answer | 0

### 1

answerQuestion

recreating in matlab Butterworth Filter filter response

There is a manual which presents a filter response. In the video they present a formula and a plot of the response. However when...

9 months ago | 2 answers | 0

### 2

answersQuestion

fit S11to poles and zeros like in the article

Hello,In the article bellow they refer to a method of converting s1p file (attached as text into a pole zero model . could you ...

1 year ago | 0 answers | 0

### 0

answersQuestion

recreating coupler responce plot numercly question

Hello,There are tables as shown bellow. each number is the even impedance coefficient for example for z1: Z1_even=1.0183450=50....

1 year ago | 1 answer | 0

### 1

answerQuestion

gradient arrows plot in matlab

Hello, the code bellow creates a shape as shown bellow.How ever i would like to convert this plot into gradient arrows shape as...

1 year ago | 1 answer | 0

### 1

answerQuestion

recreating roots of a derivative of bessel funtion of first order

Hello , i want to recreate the root table which are the derivative of a bessel function of the first order. i think besselj(nu...

1 year ago | 1 answer | 0

### 1

answerQuestion

recreating mesh grid plot of polar formula

Hello,i want to recreate the photo shown bellow in matlab. I have tried to build it as follows but i get a rectangular surface ...

1 year ago | 1 answer | 0

### 1

answerQuestion

recreating nyquist regions using FFT

Hello,Using code bellowI have sampled a signal and made FFT to see the spectral picture of the time domain signal. the plot bell...

1 year ago | 1 answer | 0

### 1

answerQuestion

question regarding ploting a table as a surface

Hello, i have the following EM field shown bellow, i have extracted the field into a table attached as zipped txt and a printscr...

1 year ago | 2 answers | 0

### 2

answersQuestion

link to a figure of matlab

Hello , i have a matlab code that creating a figure, Its very problematic for me to do snipping tool print screens and put then...

2 years ago | 0 answers | 0

### 0

answersQuestion

question regarding sum(m,3) command

hello, i have a three dimentional matrices m. output of sum(m,3) return a two dimentional matrices. What kind of summing being...

2 years ago | 2 answers | 0

### 2

answersQuestion

converting vector result into matrices for surf command

Hello,in a program there is feald on aplane shown bellow. the field data was exports and i am trying to recreate this fiels in ...

2 years ago | 2 answers | 0

### 2

answersQuestion

special data tip in matlab

Hello i have a figure with multiple plots i want to make a data tip line as shown bellow. so the points of intersectionof the r...

2 years ago | 1 answer | 0

### 1

answerQuestion

problem running optimization SOLVE function in matlab

Hello, I am trying to run an optimization so i get my S function at some biunds as shown bellow. I got the error from the optim...

2 years ago | 1 answer | 0

### 1

answerQuestion

optimization of a function with array of parameters using matlab solver ga

Hello, i i am trying to optimize function S, so it will get values between 0 and 10 using its E_opt parameter coefficients whic...

2 years ago | 1 answer | 0

### 1

answerQuestion

help using matlab solve ga function for optimization of non linear expression

Hello , i have this non linear function called "h" shown in the code bellow. I want to optimize k1, k2 ,a ,b parameters so th...

2 years ago | 1 answer | 0

### 1

answerQuestion

optimization of a function using optiminzation toolbox commands

Hello,I have built a function in the code shown bellow.The function is plotted as follows. my goal is to lower the lobe at X=-2...

2 years ago | 0 answers | 0

### 0

answersQuestion

find angle of propagation in matlab

Hello, I have a matrces with values which when they are ploted the give a plot as attached. red is high values green is low va...

2 years ago | 1 answer | 0

### 1

answerQuestion

vector partial derivative of a two variable function

Hello i have the following function which is dependant on two variables. Is there a way to find the vector of the derivative wi...

2 years ago | 1 answer | 0

### 1

answerQuestion

highting single plot among lots of plots on the same figure

Hello,I have a figure with 10 plots mingled together. my legend consists of 10 items . Is there a way in MATLAB where i could ...

2 years ago | 1 answer | 0

### 1

answerQuestion

filtering excel commands in matlab

Hello, i have the attched file . i want using script command to extract the table and filter the rows of the table where the do...

2 years ago | 2 answers | 0

### 2

answersQuestion

understanding fscanf reshape combination in reading a file

Hello, i have the following attached file where i have 3 subtables. after running the code bellow ,i am trying to understand th...

2 years ago | 1 answer | 0

### 1

answerQuestion

command strategy for converting the following multi table text file into matlab array

Hello , I have the following attached file. i need to create in the most effiecient code way. i have a table i need to skip tw...

2 years ago | 2 answers | 0

### 2

answersQuestion

problem representing a shape using several spectral elements in IFFT

Hello ,i have a step function described by the following code. i have tried to represent the shape using ifft by 8 elements. ...

2 years ago | 0 answers | 0

### 0

answersQuestion

how to find specific variable values for solving equation system

Hello,i have the following equation system. is there a way in matlab to find P1..P6 values so pr(2)=pr(1)+5 pr(3)=pr(2)+5 e...

2 years ago | 1 answer | 0

### 1

answerQuestion

adding constaints to fmincon code

hello,i have wrote the following code for optimization. how do i add the following constraints that my fmincon will run so tha...

2 years ago | 1 answer | 0

### 1

answerQuestion

use of optimization constraint mask in matlab fmincon or similar

Hello, I know that fmincon uses expressions for describing constraints . but i want my optimization function to use a value ma...

2 years ago | 0 answers | 0

### 0

answersQuestion

app designer painting circles and arrows

Hello, i am trying to build an app with lots of fields. but i want to circle some of them. and put arrows between fields, is ...

2 years ago | 0 answers | 0