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...

ongeveer 3 jaar ago | 1 answer | 0

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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...

ongeveer 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar ago | 0 answers | 0

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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...

meer dan 3 jaar ago | 1 answer | 0

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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...

meer dan 3 jaar ago | 0 answers | 1

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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...

meer dan 3 jaar ago | 2 answers | 0

2

answers

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

meer dan 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar ago | 1 answer | 0

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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...

meer dan 3 jaar ago | 1 answer | 0

1

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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...

meer dan 3 jaar ago | 1 answer | 0

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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...

meer dan 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar ago | 1 answer | 0

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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...

meer dan 3 jaar ago | 0 answers | 0

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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...

bijna 4 jaar ago | 1 answer | 0

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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...

meer dan 4 jaar ago | 1 answer | 0

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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...

meer dan 4 jaar 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,...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


subtracting values in arrays and holding the result
Hi all, I have 2 vectors (inputs) B=[10.81 10.83 10.84 10.93 11.31 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7]'; ...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Subtracting elements within constraints
Hi all, I have a vector and I subtract each element from the previous one using the cumsum function like this B = bsxfun...

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


Subtracting elements with constraints
Hi all, I have an array A and I need to subtract the elements of each column using the cumsum function: B=bsxfun(@minus, A...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


add values in arrays with positive and zero values
Hi, I have a two vectors a=[1 2 3 3 3], b=[0 0 1 0 2], I want to add them in such a way in order to get c=[1 2 4 4 6] whic...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


adding a value until a particular value
Hi, questions never end! I have an array 17x365 and some initial values in the first row. So I would like to add a part...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


subtracting elements in a vector
hi all, an easy question for you: I have a vector A= [0 1 4 10 18] how can I subtract the second element from the first, t...

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


how to choose k values
hi all, I have an array of 365 values and I do some calculations with an index for k=1:365 However, I need to do some diff...

meer dan 4 jaar ago | 1 answer | 0

1

answer

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