michael

BGU

Last seen: 14 giorni fa | Attivo dal 2013

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System Engineer / Solution architect

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Domanda

add data for plot
Hi, lets say I have 3 variables with same length, a,b,c. If I plot the data with `plot(a,b)`, I can see the values of a and b ...

21 giorni fa | 1 risposta | 0

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Domanda

analysis of data for decision making
Hi, I need to combine some parameters for some decision: I have 6 antenna combinations (2TX-3RX antennas) some of those anten...

21 giorni fa | 0 risposte | 0

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Domanda

time analysis of data
Hi, I have following text file id, start_time, stop_time, value 1 XXX1 YYY1 13 9 XXX2 YYY2 65 7 XXX3 YYY3 82 1 XXX4 YY...

3 mesi fa | 1 risposta | 0

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Domanda

working with times - unclear receiving values
Hi, I'm using Matlab R14SP3. I'm using datenum and datestr functions to perform my data analysis based on time. startTime=dat...

4 mesi fa | 0 risposte | 0

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Domanda

improve for loop performance
Hi, I have a for loop runing on all values and takes into acount previous value for i=2:length(a) a(i)=some_function(inpu...

5 mesi fa | 1 risposta | 0

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Domanda

Matlab does not recognizes function
Hi, I have a test.m file located in directory temp. This file calls functions named test1 (located in test1.m) test2 (located i...

6 mesi fa | 0 risposte | 0

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Domanda

multiplication of matrix with long data
Hi, I have a long data (200K+ samples) from which a location vector L (3x1) and a matrix T (euler matrix 3x3) is generated and ...

7 mesi fa | 1 risposta | 0

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Domanda

geodetic2aer elevation and range calculation
Hi, I'd like to calculate an elevation and a range from a known point on earth to a plane flying at distanse 200Km. Our calc...

7 mesi fa | 0 risposte | 0

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Domanda

string text manipulation - adding data based on previous data in the string
Hi, I have a string (char array) looking as follows: Time,<Message_CMD>element1,<other_meesage>elemenX,<Message_CMD>element2,<...

8 mesi fa | 3 risposte | 0

3

risposte

Domanda

textscan don't read file correctly
Hi, I have preaty old MATLAB version (R14 SP3) I have 2 files which has to be imported: column headers and data (output of som...

circa un anno fa | 1 risposta | 0

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Domanda

add value to cell array
Hello, I need to add some values to cell array based on conditions. It can be that on some condition, the value shall be not be...

circa un anno fa | 2 risposte | 0

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risposte

Domanda

matlab figure turns to gray
Hi, I have pretty old matlab (R14 SP3). When I perform the plots on specific case, the figure changes to grey and all the data ...

circa un anno fa | 1 risposta | 0

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risposta

Domanda

textscan: strings and variables
Hi, I have some csv file which contains numbers and strings (example below) The column headers are in seperate file from t...

circa un anno fa | 1 risposta | 0

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risposta

Domanda

quantaize data and build an histogram
Hello, I have a 3D data (X,Y,Z). Where X is between 0 to 360, Y is between 0 to 180 and Z is between -100 to + 100. I'd like t...

oltre un anno fa | 0 risposte | 0

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Domanda

y axis values - change the display
Hi, I have values on y axis which ranges from 0 to 160000. The value for 80000 (for example) is displayed as 8 (*10^4) How c...

oltre un anno fa | 1 risposta | 0

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Risolto

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

oltre un anno fa

Domanda

shifting image up by known number of pixels
Hi, I have an image of 85*360*3. If I show it with imagesc, the Y axes will be between 0 to 85. I'd like to shift the whole i...

oltre un anno fa | 1 risposta | 0

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risposta

Domanda

calculate the difference on the antenna azimuth
Hi, I need to calculate the difference of 2 azimuths (lets say analytical and real azimuth). There is no issue if both are p...

oltre un anno fa | 1 risposta | 0

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risposta

Domanda

select data from plot and update other plot
Hi, I have some challange: I'm using preaaty old version of Matlab - R14 SP3. I have some waw data which consists of some v...

oltre un anno fa | 1 risposta | 0

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Domanda

using area function - drawing below 0 of y axes
Hi, I have some graph. I'd like to plot an area (the orange one). I'm using area function for positive values. how can I use it...

oltre un anno fa | 2 risposte | 0

2

risposte

Domanda

Satellite toolbox: GPS signal generation and SDR
Hi, Just noticed that in the new version of matlab there is a new toolbox for satellite commnucation which contains an option t...

circa 2 anni fa | 1 risposta | 0

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risposta

Domanda

selecting values between vectors and plot the values
Hi, I have 4 vectors which are unsorted. All have all same length of 360: Ax, Bx - Values are real numbes between 0 to 360. V...

circa 2 anni fa | 1 risposta | 0

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risposta

Domanda

System composser - can't save dictionary
I'm following the Getting Started Guide for system composer. When trying to save to new dictinory - i'm getting The data dictio...

circa 2 anni fa | 1 risposta | 0

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risposta

Domanda

select values from matrix
Hi, I have a 2D matrix of size 2x360 and a vector of length 360 which contains values 1 or 2. From the matrix, I'd like to sel...

circa 2 anni fa | 1 risposta | 0

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Risolto

Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

circa 2 anni fa

Risolto

Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

circa 2 anni fa

Risolto

Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

circa 2 anni fa

Domanda

axis equal - a bug in the function?
Hi, when executing following plot(1:10) axis equal I'm getting a figure as below, which seems not to comply with the definit...

circa 2 anni fa | 2 risposte | 0

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Risolto

Draw 'B'
Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 0 1 0 0 0 1 ...

circa 2 anni fa

Risolto

Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

circa 2 anni fa

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michael

BGU

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