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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 ...

4 years ago

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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...

4 years ago

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

4 years ago

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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...

4 years ago

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

4 years ago

Question

Independent XTickLabel and YTickLabel font sizes
Is it possible to set the font size of y-tick marks independently of the font size of the x-tick marks, ylabel and xlabel? W...

4 years ago | 1 answer | 1

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How to input and operate matrices using loop?
Concatenate all of your matrices to create a 3D array C and index the 3rd dimension using your loop variable i.e. C(:,:,1) would...

4 years ago | 0

How do I use a for loop to read rows of a matrix?
block_size = 801; vals = zeros(3,1); for n = 1:5 data = xlsread(['file', num2str(n), '.xlsx']); for m = 1:3 vals(...

4 years ago | 0

How to identify the distribution of the data set?
Plot the histogram. Use 'hist'. Depending on the number of samples in the data set, you will want to increase the number of bins...

4 years ago | 0

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Question

what is the difference between dir and ls
Is there a difference between dir and ls?

4 years ago | 1 answer | 0

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Hi, is there any way, I can save a random binary data after generating it?any suggestion would be appreciated! thank you
Did you try the save command? a = [1 0 0 1 0 0 1 1 1 ]; save('my_data', 'a');

5 years ago | 0

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Question

Gausswin sampling interval?
How does the gausswin function determine which points to sample on the Gaussian curve?

5 years ago | 0 answers | 0

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Solved

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. Examp...

5 years ago

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

5 years ago

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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...

5 years ago

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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 ...

5 years ago

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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...

5 years ago

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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.

5 years ago

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

5 years ago

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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 ...

5 years ago

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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:...

5 years ago

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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...

5 years ago

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Get all corner elements from a matrix where dimension of matrix is always equal to or greater than 2.
if a given matrix a = [1 2 3;4 5 6]; so answer is going to be [1 3;4 6]

5 years ago

Question

Where to find a complete list of supported class names for 'set' command?
I am trying to configure some default figure parameters in my startup.m file, however I can not find some of the appropriate cla...

5 years ago | 2 answers | 1

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Question

Append varying length vectors to csv file using dlmwrite
I am attempting to append data to columns of a csv file using dlmwrite. Is there a way to remove the row offset that the functio...

5 years ago | 1 answer | 0

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Exponentiation of Matrix Columns by different Powers
Given an MxN matrix A and a 1xN vector b, is there a concise way to raise each column of A to a corresponding power of the vecto...

5 years ago | 2 answers | 0

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Question

How to set axis scaling?
What is the figure property name for setting the axis scaling? I would like to set 'axis tight' as the default, but I can not se...

6 years ago | 1 answer | 0

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Question

How to return files with a specific extension using 'dir'?
The command dir *.bmp will print to the command window the names of all files in the current directory ending with the...

6 years ago | 2 answers | 1