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Last seen: 2ヶ月 前 2017 年からアクティブ

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質問


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...

2ヶ月 前 | 2 件の回答 | 0

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質問


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 ...

7ヶ月 前 | 0 件の回答 | 0

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質問


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....

8ヶ月 前 | 1 件の回答 | 0

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質問


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...

10ヶ月 前 | 1 件の回答 | 0

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質問


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...

10ヶ月 前 | 1 件の回答 | 0

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質問


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 ...

10ヶ月 前 | 1 件の回答 | 0

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質問


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...

12ヶ月 前 | 1 件の回答 | 0

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質問


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...

約1年 前 | 2 件の回答 | 0

2

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質問


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...

約1年 前 | 0 件の回答 | 0

0

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質問


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...

約1年 前 | 2 件の回答 | 0

2

回答

質問


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 ...

1年以上 前 | 2 件の回答 | 0

2

回答

質問


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...

1年以上 前 | 0 件の回答 | 0

0

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質問


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...

1年以上 前 | 1 件の回答 | 0

1

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質問


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...

1年以上 前 | 1 件の回答 | 0

1

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質問


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...

1年以上 前 | 1 件の回答 | 0

1

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質問


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...

1年以上 前 | 0 件の回答 | 0

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質問


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...

1年以上 前 | 1 件の回答 | 0

1

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質問


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...

1年以上 前 | 1 件の回答 | 0

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質問


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 ...

1年以上 前 | 1 件の回答 | 0

1

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質問


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...

1年以上 前 | 2 件の回答 | 0

2

回答

質問


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...

1年以上 前 | 1 件の回答 | 0

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質問


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...

1年以上 前 | 2 件の回答 | 0

2

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質問


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年弱 前 | 0 件の回答 | 0

0

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質問


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...

約2年 前 | 1 件の回答 | 0

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質問


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...

約2年 前 | 1 件の回答 | 0

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質問


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...

約2年 前 | 0 件の回答 | 0

0

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質問


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 ...

約2年 前 | 0 件の回答 | 0

0

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質問


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...

約2年 前 | 0 件の回答 | 0

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質問


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...

約2年 前 | 1 件の回答 | 0

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質問


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...

約2年 前 | 2 件の回答 | 0

2

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