Question

returning output of nested function

Hi there, I have a function nested inside another function. How can I get the main function to return the output of the nest...

7 years ago | 1 answer | 0

Question

How to prevent objective function from becoming negative with the linprog solver (i.e minimum should be 0)

Hi there, I am using the linprog solver to find two decision variables (x1 and x2) in order to minimize an objective functio...

7 years ago | 1 answer | 0

Question

how to filter data in matlab like in excel

Hi, I have a variable 'data' with 2 columns, time (1-24) and energy consumption. I have a whole year of data. If I only want...

7 years ago | 1 answer | 0

Question

How to prevent function output being overwritten in for loop?

Hi there, I have a for loop below which calls the same function "Optimiseenergy" in each iteration. There are 2 outputs from...

7 years ago | 1 answer | 0

Question

seeking help with a for loop syntax

Hi there, I'm trying to write a simple for loop to simulate how the state of charge of an electric vehicle battery decreases...

7 years ago | 1 answer | 0

Question

correct syntax for appending number to word in for loop

Hello, I was wondering if somebody could help me with a for loop. In the for loop below, what would be the correct synta...

7 years ago | 1 answer | 0

Question

creating variable of specified length and same values

Hi, How could I create a 4x1 variable of the value 1.2? For example 1.2 1.2 1.2 1.2

7 years ago | 3 answers | 0

Question

Dates not being handled correctly in script

Hi there, I'm trying to write a function to import data from a Microsoft access database between two dates. I'm using the da...

7 years ago | 1 answer | 0

Question

Downloading weather (wind speed) data in matlab

Hi there, I am interested in downloading weather data into matlab or setting up at datafeed feed to a website. Specifically ...

7 years ago | 1 answer | 0

Question

defining simple optimization constraint: When x1 > 0 then x2 has to equal 0

Hi there, I'm working on an optimization problem with 2 decision variables x1 and x2. The problem optimizes the values of x1...

7 years ago | 3 answers | 0

Question

Question regarding hydroelectric dam optimization webinar

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7 years ago | 1 answer | 0

Question

Seeking help creating a double matrix of ones and minus ones

Hello, I'm relatively new to matlab and I'm trying to create a matrix like the example below. But I can't seem to get the co...

7 years ago | 1 answer | 0

Question

Confusion matrix neural network

Hello, The confusion matrix for my NN for classification is below. I'm struggling to understand the numbers. I know the over...

8 years ago | 2 answers | 0

Question

filling in blank cells with nearest number

Hi there, Would anybody be able to help me with some code to 'fill in some data'. I have a column of data with '1's and ...

8 years ago | 1 answer | 0

Question

Spreadsheet link MLGetMatrix function

Hello, I have a question regarding the Spreadsheet Link EX tool. I have been trying to use the code below in a loop in a V...

8 years ago | 0 answers | 0

Question

Question regarding the Spredsheet link EX tool, MLGetMatrix function

Hello, I have a question regarding the Spreadsheet Link EX tool. I have been trying to use the code below in a loop in a...

8 years ago | 1 answer | 0

Question

quantify difference between discrete distributions

Hello, I am trying to quantify the difference between two discrete distributions. I have been reading online and there seems...

8 years ago | 1 answer | 0

Question

Chi squared test to test if data is from same distribution

Hello, I have recorded some discrete data with an unspecified distribution. I have generated some discrete data from a m...

8 years ago | 2 answers | 0

Question

creating a hist3() plot with already binned data

Hello, I was wondering if anybody could help me with a relatively simple problem that I have creating a plot. I create a 3D ...

8 years ago | 2 answers | 0

Question

Looping through files and creating and saving plots

Hi, I'm trying to loop through a folder of files (20) to create 20 plots. I have most of the code completed I think, but...

8 years ago | 2 answers | 0

Question

different cdf plot produced by 2 different code

Hello, I created 2 plots below using the same data but different code. Could anybody explain to me why the cdf plot (red lin...

8 years ago | 1 answer | 0

Question

Problem binning data with histc()

Hello, I am trying to bin velocity and acceleration data using histc(). However, I am getting an error. I would be grateful ...

8 years ago | 2 answers | 0

Question

matrix dimension mismatch in hist3 plot()

Hi, I am using the code below to create a hist3 plot. My question is, why is the variable z data a 405x605 matrix? I ...

8 years ago | 1 answer | 0

Question

Problem plotting with bar() instead of hist()

Hi, I use this code to overlay a CDf plot on a histogram. Note the histogram data in binned according to bin centers. ...

8 years ago | 1 answer | 0

Question

intercept of secondary axis

Hi, Im plotting two lines using two axis. They are velocity and acceleration. My question is how can I make the 0 point on t...

8 years ago | 2 answers | 0

Question

Histc function, bin edges error

Hi, I am using the code below to overlay a cdf plot on a histogram (top code). I want to specify the bin edges using the his...

8 years ago | 1 answer | 0

Question

How to change text size in boxplot

Hi, Would anybody know how to change the size of the font on the x-axis labels in a boxplot. For example I want to make the l...

8 years ago | 3 answers | 2

Question

Property editor grid lines

Hello, Can you make the grid line in a plot thicker in the property editor? I want to make mine more visible but cannot figu...

8 years ago | 1 answer | 0

Question

matlab code error - Subscript indices must either be real positive integers or logicals.*

Hi, Would anybody know why I am getting the following error after the code below executes a couple of times (about 20 times)...

8 years ago | 2 answers | 0