I am trying to write a program which will find the total # of pips (price gained) with a strategy. Basically, the strategy is whenever the stock price is 5, and we will start trading and we will continue trading as long as the stock price is higher than 2 and lower than 9, meaning in the range (2,9). When the price hits 2 or 9, we stop ...
How do you enter a nonlcon into MATLAB's fmincon function. I can't seem to find a good example of the syntax. ...
I don't know from where should I start solving this problem. It seems that the Math department at UGA once again dropped the ball , and forgot the value of pi. You are to write a function called mypi which consumes a number that specifies the required accuracy and approximates the value of pi to that accuracy. You are going to the foll...
Does anybody know how I can see the code of a matlab p-code file? ...
I use combnk to generate a list of combinations. How can I generate a subset of combinations, which always includes particular values. For example, for combnk(1:10, 2) I only need combinations which contain 3 and/or 5. Is there a quick way to do this? ...
Hi everyone, I want to add several functions from a single .m file. Is this possible without actually having to create an individual m file for each function? ...
A(N,N): matrix First, i want to give the matrix from my keyboard. Then calculate the determinant of A Thanks! ...
I have a 3-d matrix with the following dimensions 6-2-10. I want the row dimension to switch places with the heigh dimension, ie 10-2-6. Reshape doesn't achieve this the way I want. How can this be done? Can I rotate the matrix? ...
I want to ask how to check if a variable is table 1x8 or 8x1 of type logical? I know I can check the class of an array for logical like this: strcmp(class(a),'logical') I know I can get the size of table like this: [h w] = size(a); if(w==1 & h==8 | w==8 & h==1) But what if table has more than 2 dimensions? How can I get number of d...
I have a row-vector with arbitrary values. I am interested in the column IDs of the columns which contain a value <= a specified threshold the number of columns which lie below the threshold. Is there a more elegant way to compute this in MATLAB than using a for-loop? ...
I have done face detection using some demo files and some harr cascades that found in emgu CV sample files but what should i do to train my program to detect other things like phones or bucket or any other object. So far i have googled and found that i have to do some haartraning for that i need some 800 negative samples and 2000 positi...
I have a large struct in a .mat file. I want to check if a specific field is present in the struct without loading the .mat file. The .mat files are very large and I want to minimize memory use. Can I do this or must I use the I load it like this? Suppose the .mat file is called "test.mat" with struct s in it: load('test.mat') tf = i...
Given a series of randomly generated data how can I figure out how random it actually is? Is R-lang a good tool for this matlab? What other questions can can these tools answer about randomly generated data? Is there another tool better for this? ...
Hello, I have a matrix containing 4320 entries for example: P=[ 26 29 31 33 35 26 29 ..........25] I want to create 180 matrices and every matrix contains 24 entries,i.e the 1st matrix contains the 1st 24 entries the 2nd matrix contains the 2nd 24 entries and so on I know a simple method but it will take a long time which is: P1=...
Hi I write the following code in matlab. from this code I take sequence of images as input from a folder and resize these images. Now I need to store them with new size on output folder. any one help me to update this code. fileFolder = fullfile('D:','Texture DataBases','images3000'); dirOutput = dir(fullfile(fileFolder,'image*.jpg'...
Where can i find a link to download Matlab MCR 7.10? ...
The bottleneck in my program is computing the sign of a number for all numbers in an array, when the array size is very large. I show the two approaches I've tried below, both with similar results. I have 16GB of RAM, and the array occupies ~5GB. The problem I'm seeing is the sign function takes up a lot of RAM+virtual memory. Anyone kno...
i have two images of size lets say image1=250x250 and image2=250x550. i want to have an image that shows these two images combine. like image3=image1+image2 means image3=250x800. ...
I am trying to find the sum of the following matrix in matlab [1 1 1 1; 1 2 1 2; 4 5 3 2; 1 3 2 4; 10 11 1 1; 90 9 2 1] I am trying to do so using a nested for statement yet i keep getting errors. please help Must use nested for My code: A = [1 1 1 1; 1 2 1 2; 4 5 3 2; 1 3 2 4; 10 11 1 1; 90 9 2 1]; for j=1:4, for i=1:6, sum = ...
Hey guys. I have some difficulty in creating a filename. okay, here is what I want to do: a matlab function called file_save(filename,input_data) is to save data into a xml file. so in a for loop, I want to create xml file with sequential filename eg. output1.xml output2.xml output3.xml I guess there are some way of combining filename? ...