Community Profile # fima v

Last seen: 2 days ago Active since 2017

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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 months ago | 2 answers | 0

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Question

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 months ago | 0 answers | 0

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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 months ago | 2 answers | 0

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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 ...

3 months ago | 2 answers | 0

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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...

3 months ago | 0 answers | 0

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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...

3 months ago | 0 answers | 0

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Question

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...

3 months ago | 1 answer | 0

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Question

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...

3 months ago | 1 answer | 0

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Question

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...

4 months ago | 0 answers | 0

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Question

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...

4 months ago | 1 answer | 0

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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...

4 months ago | 1 answer | 0

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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 ...

5 months ago | 1 answer | 0

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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...

5 months ago | 2 answers | 0

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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...

7 months ago | 1 answer | 0

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Question

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...

7 months ago | 2 answers | 0

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Question

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. ...

11 months ago | 0 answers | 0

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Question

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...

11 months ago | 1 answer | 0

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Question

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

12 months ago | 1 answer | 0

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Question

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...

12 months ago | 0 answers | 0

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Question

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 ...

12 months ago | 0 answers | 0

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Question

matlab app screen too large
hello when i build an app with lots of fields and i expand the screen app to the bottom side, when i press play i get my applica...

12 months ago | 0 answers | 0

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Question

using external matlab file in app
Hello, i have external file as shown bellow and i created a simple app as shown bellow. how to display y(1) and x(1) when i pu...

1 year ago | 1 answer | 0

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Question

using external matlab file variables in app desighner
Hello , I have written matlab code in *.M matlab file. this matlab code has many variables and expressions. i want to use this...

1 year ago | 2 answers | 0

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Question

why my code gives different result then the formula
Hello,I have triedto implent the formula shown bellow in matlab to create the plot shown bellow. but when i implemented the for...

1 year ago | 1 answer | 0

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Question

problem accessing array of imported CSV file
Hello, after importing CSV file i have a variable 1D array called col but when i try to accsess it in different forms as shown...

1 year ago | 1 answer | 0

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Question

what is the FFT logic in calculating far field defraction matlab implemetation
Hello,there is an expression shown bellow that we need to plot in 2D grid plot as shown bellow. X and Y are 2D matrices going fr...

2 years ago | 0 answers | 0

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Question

how to understand .sc .mat in matlab
Hello,i cant see the logic of these two lines taken from the full code shown bellow. i know that its some how plotting an area...

2 years ago | 1 answer | 0

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Question

understanding "<" operator line
Hello,I cant understand a line of the line bellow taken from the code bellow. I think i generates a circle but i cant see how ....

2 years ago | 2 answers | 0

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Question

generating noisy data to play with in DSP
Hello,is there a way in matlab to create a signal put a high frequency noise on it and take samples from it to play with DSP FIR...

2 years ago | 0 answers | 0