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Accept 5 answers given by other contributors
Awarded to Leonardo Wayne on 20 Jul 2017
Feeds
Question
What is Data Fusion in a Machine Vision context?
I am writing a paper on Data Fusion (Main Topic) in the context of Machine Vision. If someone can define or lead me to a tutoria...
6 years ago | 0 answers | 0
0
answersQuestion
What does s = tf ('s') do?
I am currently doing an exercise in PID control, the first line in the code is s = tf ('s'); What does it do? according t...
7 years ago | 3 answers | 0
3
answersQuestion
Exercise 2: Sampling theorem
We have an analogue signal: x(t) = cos(2*pi*500*t) + 3* cos(2*pi*1000*t) 1) Write a programme to display the sampled signal ...
8 years ago | 0 answers | 0
0
answersQuestion
Is figure 3 a frequency response?
Hi, I have the following code[attached png]. I am practising to write a program that will create a filter for an audio signa...
8 years ago | 0 answers | 0
0
answersQuestion
How to analyse and create a filter in MATLAB for recorded audio?
Hi, I have recorded the signal in an audio file using MATLAB. How do I normalise amplitude of recorded signal to a maximum val...
8 years ago | 1 answer | 0
1
answerQuestion
How does MATLAB process M-Files?
Some programming languages have interpreters and some require compilation. How does the MATLAB run M-Files?
8 years ago | 1 answer | 0
1
answerQuestion
current date and time
I would like to view the time of the day and date in the following format example (21/06/16-11:32) in a GUI. What is the command...
8 years ago | 1 answer | 0
1
answerQuestion
How to solve rms calculation problem ?
I have the following error: Undefined function 'rms' for input a <</matlabcentral/answers/uploaded_files/51554/Capture.PN...
8 years ago | 1 answer | 0
1
answerQuestion
how to plot a piecewise function?
I am trying to plot the function below using the following code but it is not correct. help? <</matlabcentral/answers/up...
8 years ago | 1 answer | 0
1
answerQuestion
What does Out of range or non-integer values truncated during conversion to character mean and how to solve it?
Warning: Out of range or non-integer values truncated during conversion to character. > In cell.strcat at 55 In Testi...
8 years ago | 1 answer | 0
1
answerQuestion
how to find index of cell array?
I want to the find row number of where the elements of cell array "motors_cell" match cell array "get_motors_no_workbook2" . The...
8 years ago | 1 answer | 0
1
answerQuestion
how to use regexp in a more complex example
This MATLAB code returns an array called "selected motors" at line 23 via user entry. I would like to get all the indices(row...
8 years ago | 1 answer | 0
1
answerQuestion
how to compare cell arrays of different lengths?
clc;clear; a=int64(1:3)'; out=num2cell(a) b = int64(1:4)'; out2 =num2cell(b) index = out == out2; index doesn't comput...
8 years ago | 1 answer | 0
1
answerQuestion
convert matrix into cell
How to convert selected motors into a cell but making the cell size 3x1 with the same values? in other words row 1 in cell wi...
8 years ago | 2 answers | 0
2
answersQuestion
how to get selected values from a listdlg?
I have selected these values using listdlg. listdlg returns only the indices of these values but not the values themselves. If I...
8 years ago | 1 answer | 0
1
answerQuestion
how to find certain values in cells ?
see attached. I am using xlsread to load data from an xls file into matlab as a cell. I would like to return all the cell va...
8 years ago | 1 answer | 0
1
answerQuestion
find in structure a certain string
<</matlabcentral/answers/uploaded_files/49939/Capture.PNG>> raw is a cell. I would like to find the identification number...
8 years ago | 1 answer | 0
1
answerQuestion
How to select using indices from cell array?
I have a cell array called raw, and I want MATLAB to prompt an input dialog to select one cell only from a certain column calle...
8 years ago | 0 answers | 0
0
answersHow to remove delimiters, or special characters from a cell?
Hi I a get an error when I incorporate your code to my m file. See below. The indices variables is a 1x3 array with values 3 ...
8 years ago | 0
Question
how to convert cell to char ?
<</matlabcentral/answers/uploaded_files/48889/raw_part_numbers.PNG>> I have the following cell array called raw. I want to co...
8 years ago | 2 answers | 0
2
answersQuestion
How to read data from Excel sheets?
I have an Excel spreadsheet cell in location S2 that has the example data : 160225MD0004;#2;#13161504900013;#1 These item...
8 years ago | 1 answer | 0
1
answerQuestion
How to remove delimiters, or special characters from a cell?
I have this cell array which contains items followed by special characters used as delimiters: 160225MD0004;#2;#1316150490001...
8 years ago | 2 answers | 0
2
answersQuestion
how to find the column number of a spreasheet cell?
I have the following function: [num0,text0,both0] = xlsread('h&vlookup_if_and_or_Capacity_Planning.xlsx',-1) to select a cell. ...
8 years ago | 0 answers | 0
0
answersQuestion
how to select a spreadsheet cell from one column only
I need the syntax for freely selecting a single cell that is in Column A always. The cell is a single number like 540.
8 years ago | 0 answers | 0
0
answersQuestion
How to check if a directory(folder) exists?
I am trying to create folders using mkdir, but if I have already created that folder, how do I check that before creating it. a...
8 years ago | 3 answers | 2
3
answersQuestion
what is the difference between pwd and cd ?
what is the difference between pwd and cd ? I get the same folder when I tyoe command in MATLAB.
8 years ago | 1 answer | 1
1
answerQuestion
Matlab (search) path vs starting folder vs matlab root
What is the difference between Matlab (search) path,starting folder and matlab root?
8 years ago | 1 answer | 0
1
answerQuestion
xlsread returns empty when reading a cell with a formula
using command below I get num as an empty array when the cell has a formula. how to get the value returned from Excel formula in...
8 years ago | 1 answer | 0
1
answerQuestion
understanding contents and size of structures
what does 3x1 in the description of a struct mean? also what would be the difference in a 1x3 structure. If you can provide a c...
8 years ago | 2 answers | 0
2
answersQuestion
extra info returned from dir command
I have the following command: MyFolderInfo = dir('H:\Motor Testing'); But it returns a struct as shown in the attached imag...
8 years ago | 1 answer | 0
1
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