Question


Convert cell array to an array, when the size of the cells is different
Hi all, I have a cell array like this A={ [0 0 0 0] ; [1 1] ;[2] } Is it possible to convert it in an array? I tried with...

plus de 3 ans ago | 2 answers | 0

2

answers

Question


makedist discrete uniform distribution
Hi all I am trying to create a uniform discrete distribution, with 5 values (20% probability each), by using makedist command ...

plus de 3 ans ago | 3 answers | 0

3

answers

Question


Convert a string into a function of x
Hi all, I have created a string like this: Sstr = join(compose('(x(%d:%d)-x(%d:%d))))', A), ' + ') so I get a result: Ss...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


create indexes of x in a for loop
Hi all, I am trying to create and save some x values in an array in a format of A=[x(2)+x(3);x(3)+x(6);x(4)+x(9)]; so I tri...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


Symbolic variables in a for loop
Hi all, I am trying to create a sum of, which has x and I want to create a for loop to give me the result below : A= [x(...

presque 4 ans ago | 0 answers | 0

0

answers

Question


Create a vector by selection randomly vectors
Hi all, I have 4 vectors A=[1 2 3 4 5]; B=[0 2 5 6 19]; C=[0 0 1 3 0]; D=[1 0 1 15 0]; And I want to create...

presque 4 ans ago | 3 answers | 0

3

answers

Question


Objective function in a for loop
hi all, I have an objective function that I want to minimize N=10 f=@(x) ((0.0011*(x(2:1*N)-x(1:N-1)))'*exp(-0.00...

presque 4 ans ago | 1 answer | 0

1

answer

Question


Convert tables to arrays in a for loop
hi there, I have some tables named (data_1, data_2 ,data_3, data_4,data_5) is it possible to convert them to arrays by usi...

presque 4 ans ago | 1 answer | 0

1

answer

Question


ThingSpeak internal server error
Hi all, I am trying to send data to thingspeak server through a channel by using the commands thingSpeakWrite. However I g...

presque 4 ans ago | 1 answer | 0

1

answer

Question


Sending vectors in things Speak
Hi all, I have created a private channel with 4 fields. The first 3 fields have only one value so it's ok, however the fourt...

environ 4 ans ago | 0 answers | 0

0

answers

Question


Error in Matlab MQTT file
Hi all, I'm trying to run a file regarding the MQTT in maltab, which I donwloaded the from matlab website : https://ch.mat...

environ 4 ans ago | 0 answers | 0

0

answers

Question


define parameters in binary format
Hi everyone, I'm trying to transmit data using ZigBee with QPSK modulation. However I don't understand how in matlab I can...

environ 4 ans ago | 1 answer | 0

1

answer

Question


Matlab compatible with multi-agent systems
Hi all, I have a general question. I have some script files in matlab and I wanna use some information from them to send t...

environ 4 ans ago | 0 answers | 1

0

answers

Question


For loop within a function f
Hello all, I'm trying to get the following function by using a for loop: f=@(x) ((0.0011*(x(2:1*N)-x(1:N-1)))'*exp...

plus de 4 ans ago | 2 answers | 0

2

answers

Answered
Diagonal of a non-squared martrix
Alright thanks a lot!!!!

plus de 4 ans ago | 0

| accepted

Question


Diagonal of a non-squared martrix
Hello all, I have a matrix A=zeros(179,716) and I am trying to put the value "1" in its diagonal however it's not a s...

plus de 4 ans ago | 2 answers | 0

2

answers

Question


GA best f(x)/ mean f(x) don't change
Hi all, I'm using GA for optimization and my problem is that I'm getting the same best and mean value and it doesn't change a...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


GA error "your fitness function must return a scalar value"
Hi all, I am trying to use GA to minimize a function which is like this: f=@(x) ((0.0011*(x(2:180)-x(1:179)))'*exp...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


LP error the number of rows of A must be the same with b
Hi again, I am trying to run and LP optimization. However, I am getting the following error "The number of rows in A mu...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


LP optimization error for the objective function
Hi all, I am trying to run an LP optimization. My objective function is f= @(x) 3*x(1:N)-2*x(N+1:2*N)-5*x(2*N+1:3*N)-3*x(3...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


Reshape matrix to have the same value every 30 cells
Hi All, I have a question: I have a matrix A=[10; 20; 30; 40; 50; 50; 60] How can I reshape it in order to have a ma...

plus de 4 ans ago | 2 answers | 0

2

answers

Question


fmicon constraint violation issue
Hi all, I am running an optimization using fmicon, when it runs I get this message "Optimization stopped because the rela...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


Error with Fmicon objective function
Hi all, I am trying to run a non linear optimization with fmincon, I have set the equality and inequality constraints but I a...

plus de 4 ans ago | 0 answers | 0

0

answers

Question


Run a script and use some variables as inputs in another script
Hi all, I have a script file and I would like to run it and export two variables (lets say "45"and "1") In order to use th...

plus de 4 ans ago | 1 answer | 0

1

answer

Question


plot a graph with two axis
Hi there, I have a matrix 1440x3 and I would like to plot a graph with two axes. (x axis the same = 1440 elements) the fir...

environ 5 ans ago | 1 answer | 0

1

answer

Question


Fitting data for each row of a matrix
Hi there, I have a matrix 8760x8 and I would like to fit the data of each row (8 values) with a vector like this: [1 2 3 4 5...

environ 5 ans ago | 1 answer | 1

1

answer

Question


Change the x axis in a figure with time
Hi all, I have a question: I have a figure and I want to change the x axis (which are numbers from 1 to 48) to time scale,...

plus de 5 ans ago | 2 answers | 0

2

answers

Question


Deleting rows of an array
Hi all, I have an array 48X365, where some of the columns are zero! Is there any way to delete them and get an array witho...

plus de 5 ans ago | 2 answers | 0

2

answers

Question


Adding values in an array within limits
Hi all, I have a vector A=[1 2 3 4 5 4]' I would like to get from vector A, a vector B where its elements are the same wit...

plus de 5 ans ago | 2 answers | 0

2

answers

Question


estimate the parameters of an equation
Hi there, I have a question: I have an equation like this: 45=a*5^b; is there any way to estimate a and b only from thi...

plus de 5 ans ago | 2 answers | 0

2

answers

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