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Last seen: 17 days ago | Active since 2017

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plotting vector in matlab
Hello,I have the following code to represent vectoric components of E-field. The field has X and Y directions, as you can see...

16 days ago | 1 answer | 1

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ploting vectorial expression in 3D question
Hello,I have the formula and photo shown below. Is there a way to do a similar plot in matlab (if vectorial arrows is possible ...

1 month ago | 1 answer | 0

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nexctracting data from overlapping plots in a photo
Hello , In the attached photo I have two plots one on top the other. Is there a way to extract the data of both plots? Thanks....

2 months ago | 0 answers | 0

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shifting a column in Matlab of CSV
Hello , I have two CSV files attached in ZIP format.one of the colums is from -1 to 1. Is the a way in matlab to import the CSV...

2 months ago | 2 answers | 0

2

answers

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converting and shifting photo from osciloscope
Hello, I have an osciloscope photo attached.As you can see I have two signals going from -1ms to 1ms. Is there a way In Matlab ...

2 months ago | 2 answers | 0

2

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extracting table data from a plot picture question
Hello,I have many plots like this in the data sheet. there is a java tools which manually allow to extract the data of each plo...

2 months ago | 2 answers | 0

2

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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...

7 months ago | 1 answer | 0

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answer

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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...

8 months ago | 1 answer | 0

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answer

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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...

8 months ago | 1 answer | 0

1

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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...

11 months ago | 2 answers | 0

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answers

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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

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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

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Question

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

answer

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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

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answer

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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

answer

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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

answer

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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...

2 years ago | 2 answers | 0

2

answers

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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

answers

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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

answers

Question

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

answers

Question

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

answer

Question

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

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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

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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

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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

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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

answer

Question

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

answer

Question

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

answer

Question

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

answers

Question

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

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