Domanda


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...

oltre 5 anni fa | 2 risposte | 0

2

risposte

Domanda


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 ...

oltre 5 anni fa | 3 risposte | 0

3

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Domanda


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...

oltre 5 anni fa | 2 risposte | 0

2

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Domanda


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...

oltre 5 anni fa | 1 risposta | 0

1

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Domanda


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(...

oltre 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 5 anni fa | 3 risposte | 0

3

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Domanda


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...

oltre 5 anni fa | 1 risposta | 0

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Domanda


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...

oltre 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 5 anni fa | 0 risposte | 1

0

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Domanda


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...

quasi 6 anni fa | 2 risposte | 0

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

quasi 6 anni fa | 0

| accettato

Domanda


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...

quasi 6 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

quasi 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 6 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

circa 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 6 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 6 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 7 anni fa | 1 risposta | 1

1

risposta

Domanda


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,...

quasi 7 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

quasi 7 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

quasi 7 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

circa 7 anni fa | 2 risposte | 0

2

risposte

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