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 days ago | 1 answer | 0

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 ....

3 days ago | 2 answers | 0

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...

27 days ago | 0 answers | 0

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...

3 months ago | 0 answers | 0

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...

4 months ago | 1 answer | 0

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...

5 months ago | 0 answers | 0

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...

5 months ago | 0 answers | 0

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 ...

5 months ago | 2 answers | 0

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...

5 months ago | 0 answers | 0

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...

5 months ago | 0 answers | 0

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...

6 months ago | 1 answer | 0

Question

coverting string to ascii value in Matlab

Hello the letter 'a' is 61 why in matlab i get NAN?

6 months ago | 1 answer | 0

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...

6 months ago | 1 answer | 0

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...

9 months ago | 0 answers | 0

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...

9 months ago | 0 answers | 0

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...

9 months ago | 0 answers | 0

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...

10 months ago | 0 answers | 0

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...

10 months ago | 0 answers | 0

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...

11 months ago | 0 answers | 0

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 ...

11 months ago | 1 answer | 0

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...

11 months ago | 2 answers | 0

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...

11 months ago | 1 answer | 0

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....

11 months ago | 1 answer | 0

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...

11 months ago | 1 answer | 0

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...

11 months ago | 1 answer | 0

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...

11 months ago | 2 answers | 0

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...

11 months ago | 2 answers | 0

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...

11 months ago | 1 answer | 0

Question

rftoobox gain stability plots on smithchart

Hello, i have the following S2P file shown bellow,i found realy not enough examples for implementing rftoolbox avalible gain cir...

12 months ago | 0 answers | 0

Question

creating continues ZOH plot from samples using sinc

Hello, i have an array of dots called y_in created by the code bellow. How using sinc function we create a continues signal of ...

12 months ago | 0 answers | 0