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how to divide excel files in matlab into uneven groups
Hello. Although I wouldn't recommend loops, since no one replied, I'll clumsily do it. i = [3 120 121 500 501 1500 1501 230...

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If your question has no answer, should you delete your question or answer to it assuming you were able to find a solution?
Hello. This might be a foolish question. If I have a number of unanswered questions of my own and manage to solve some of the...

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Loading and saving sequence of files?
Hello. I have number of .mat files in a same directory that has a pattern *|SSR(Year)(Month)(Day)|*. The problem is not ever...

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Less than what number in the file ht could give 95%?
First of all, I think it is bad idea to save your variable as ' |ans| ', so you should define a unique name. (I have renamed ' |...

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

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Is my wife right?
Regardless of input, output the string 'yes'.

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Add two numbers
Given a and b, return the sum a+b in c.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Discussion

Experts of MATLAB, how did you learn? Any advice for beginner/intermediate users?
The community is very helpful, yet I feel really powerless that I cannot find the appropriate way to code, nor find the problems...

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How to dock/undock an image using matlab code instead of doing manually?
You mean like this? Example: h = figure(3000); % Creating a figure set(h,'name','figure_name','numbertitle','on') % Set...

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Finding the mean along X axis on plot?
Hello. I am trying to find the mean along the X axis as follows. <</matlabcentral/answers/uploaded_files/33621/untitled.jpg>>...

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Help with removing arrays from structure array?
Hello. I have 1x50 structure array called 'data2' with 18 fields. I am trying to remove arrays that have zero matrices in their ...

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How to load all .mat files in a folder and save accordingly?
I am trying to run some code on bunch of .mat files with different names which are not in sequence (only the starting parts are ...

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Question regarding loop with multiple string comparisons?
Hello. I am trying to extract several Aircraft data from a general data I have. I want the following 6 aircraft data from my gen...

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Best way to summarize statistical data
Hello. I want to summarize the statistics of my following data. <</matlabcentral/answers/uploaded_files/33078/WOLALALA.bmp...

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Loop in a loop question?
I have a 1 x 521 structure array called 'data' with 20 fields. One of the field is 'GS', which stands for Ground speed. I am try...

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Eliminating unnecessary portions of arrays from structure.
Hello. I have 1x1574 structure array called "data" with 27 fields. I would like to perform on one of the fields, "IAS". I woul...

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Grouping elements in an array?
Hello. I have a 1 x 46 struct array 'data' with two fields, 'Altitude' and 'Velocity'. Each array has different sizes but the c...

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