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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. ...
2 meses 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...
3 meses 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...
3 meses 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...
4 meses 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 ...
4 meses ago | 0 answers | 0
0
answersQuestion
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...
4 meses ago | 0 answers | 0
0
answersQuestion
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...
4 meses ago | 1 answer | 0
1
answerQuestion
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...
4 meses ago | 2 answers | 0
2
answersQuestion
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...
5 meses ago | 1 answer | 0
1
answerQuestion
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...
8 meses ago | 1 answer | 0
1
answerQuestion
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...
alrededor de 1 año ago | 0 answers | 0
0
answersQuestion
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...
alrededor de 1 año ago | 1 answer | 0
1
answerQuestion
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 ....
alrededor de 1 año ago | 2 answers | 0
2
answersQuestion
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...
alrededor de 1 año ago | 0 answers | 0
0
answersQuestion
Matlab script saving mouse click location
Hello,I have started using this type of scripting to control mouse clicking automatickly. I want to mouse click on some locatio...
más de 1 año ago | 0 answers | 0
0
answersQuestion
creating array of strings from recieved data
Hello,my serial Comm sends over and over abcd/n which in matlab abcd i wanted to create and array of abcd strings as shown bell...
más de 1 año ago | 1 answer | 0
1
answerQuestion
standart slicing not working on my vector
Hello i Have the following code: val=fscanf(ser); var_hex=dec2hex(uint8(val)) y = reshape(var_hex.', 1, []) which gives me...
más de 1 año ago | 0 answers | 0
0
answersQuestion
weird behavior of matlab serial communication protocol
If is send it 1F 2F 3F FF \n in endless loop (I defined LF to be the terminator) then it sends shows me the a huge block of dat...
más de 1 año ago | 0 answers | 0
0
answersQuestion
sticking together 4 hex bytes question
Hello I have four DECIMAL numer for example 31(1F) 47(2F) 63(3F) FF(255) how using those decimal numbers i get a HEX number of ...
más de 1 año ago | 2 answers | 0
2
answersQuestion
LF terminator stops working when sending data
Hello,I have defined the port as following sObject=serial('COM4','BaudRate',115200,'TimeOut',1,'Terminator','LF') sObject.Byte...
más de 1 año ago | 0 answers | 0
0
answersQuestion
fscanf of live stream question
Hello I have written the following code for counting how much '\n' chars we have so far. i assume fscanf holds the char recieve...
más de 1 año ago | 0 answers | 0
0
answersQuestion
serial communication shows huge batch istead of steady small bursts
Hello i am sending threw my microcontroller to MATALB 4 uint8_t variables 0x2F,0x06,0x8F,0x3F and for signalling the end of th...
más de 1 año ago | 1 answer | 0
1
answerQuestion
coverting string to ascii value in Matlab
Hello the letter 'a' is 61 why in matlab i get NAN?
más de 1 año ago | 1 answer | 0
1
answerQuestion
Matlab having problem interpreting streamed string into numbers.
Hello , i am sending 0x61 over and over which is the letter 'a' to matlab as shown bellow. But when i want to convert the recie...
más de 1 año ago | 1 answer | 0
1
answerQuestion
How to catch UART Live data in Matlab
I have built a mechanism for sending the letter 'O' every few seconds. After that I catch the recieved Data with fgets in MATLAB...
casi 2 años ago | 0 answers | 0
0
answersQuestion
Live data recieving as alternative to fgets command
Hello,i am using fgets command to manually get what was recieved from UART i get a result after 10 seconds is there a way in ma...
casi 2 años ago | 0 answers | 0
0
answersQuestion
matlab UART communication with FTDI c232HD cable problem
Hello ,before coding in Matlab i tried to test the connection with the UART cable with COMM software In the device manager it s...
casi 2 años ago | 0 answers | 0
0
answersQuestion
Matlab simulink components not conecting problem
Hello , I tried to connect those three components together the resistor is from powerlib/Elements/Series RLC Branch. The Opamp...
casi 2 años ago | 0 answers | 0
0
answersQuestion
simscape noise on scope display
Hello , i have tried to display my DC with noise signal into a scope using PS-simulink converter but as you can see bellow. its...
casi 2 años ago | 0 answers | 0
0
answersQuestion
noise voltage source in simulink
Hello, from the manual shown bellow i have tried to look for the Vn component where i could get the following menu of noise volt...
casi 2 años ago | 0 answers | 0