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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...

3 meses ago | 1 answer | 0

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answer

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...

8 meses ago | 0 answers | 0

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answers

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...

8 meses ago | 1 answer | 0

1

answer

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 ....

8 meses ago | 2 answers | 0

2

answers

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...

9 meses ago | 0 answers | 0

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answers

Question


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...

11 meses ago | 0 answers | 0

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answers

Question


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...

12 meses ago | 1 answer | 0

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answer

Question


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...

alrededor de 1 año ago | 0 answers | 0

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answers

Question


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...

alrededor de 1 año ago | 0 answers | 0

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answers

Question


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 ...

alrededor de 1 año ago | 2 answers | 0

2

answers

Question


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...

alrededor de 1 año ago | 0 answers | 0

0

answers

Question


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...

alrededor de 1 año ago | 0 answers | 0

0

answers

Question


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...

alrededor de 1 año ago | 1 answer | 0

1

answer

Question


coverting string to ascii value in Matlab
Hello the letter 'a' is 61 why in matlab i get NAN?

alrededor de 1 año ago | 1 answer | 0

1

answer

Question


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...

alrededor de 1 año ago | 1 answer | 0

1

answer

Question


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...

más de 1 año ago | 0 answers | 0

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answers

Question


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...

más de 1 año ago | 0 answers | 0

0

answers

Question


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...

más de 1 año ago | 0 answers | 0

0

answers

Question


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...

más de 1 año ago | 0 answers | 0

0

answers

Question


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...

más de 1 año ago | 0 answers | 0

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answers

Question


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...

más de 1 año ago | 0 answers | 0

0

answers

Question


resistor with random variable number not working
Hello i have many simulink blocksets, i have tried to put rf blockset in order to build a ressistor with random value in it as ...

más de 1 año ago | 1 answer | 0

1

answer

Question


ressistors with small random offset in SIMULINK
Hello , I want to have 10 resistors with a littles offset in resistance by random number arounk 1kohm i have itried to use matl...

más de 1 año ago | 2 answers | 0

2

answers

Question


debugging within built in matlab function
Hello , I want to see how my data being proccessed with polyfit function given my input vectors. breaking point can only be put...

más de 1 año ago | 1 answer | 0

1

answer

Question


interp1 function error
Hello i have made an interpolation of a descrete CSV file which is attached and turned it into continues function using interp1....

más de 1 año ago | 1 answer | 0

1

answer

Question


regular function integration failure
Hello, i have two functions .The first called "fun" (purple in the plot) is integrated great and i get a precise result of 43 fr...

más de 1 año ago | 1 answer | 0

1

answer

Question


multiplication of functions integration problem
Hello,i have two functions "fun" and "coef_fun" "coef_fun" was created with interpolation of the attached CSV and it looks lik...

más de 1 año ago | 1 answer | 0

1

answer

Question


unique function usage at interp1 interpolation
Hello, i have imported 2D data from the attached CSV as x_data and y_data. i have used interp1 function as shown bellow to inte...

más de 1 año ago | 2 answers | 0

2

answers

Question


integral with vectoric varying coeficient
Hello , i have a basic function exp(-x.^2).*log(x).^2 which i integrate in a certain interval. i want to multiply my basic f...

más de 1 año ago | 2 answers | 0

2

answers

Question


for loop of vector
Hello, i have a function shown bellow called fun, i want to sample it in a 10.^-6 - 20*10.^-6 interval with 1000 samples as sho...

más de 1 año ago | 1 answer | 0

1

answer

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