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I just found a MATLAB function area() which will do the job!
Answered 4 years ago
I would like to draw a segment of a circle (like a slice of a pizza) but cannot find an easy way to do it.
I am currently dra...
Asked 5 years ago
I am using xlswrite to output data from a calculation. I would also like to output some figures in the same excel file. Is i...
8 years ago
Is it possible to shade or fill with colour an area under the curve? Or between curves?
Asked 4 years ago
Calculate the nth Fibonacci number.
Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ...
4 years ago
Given a and b, return the sum a+b in c.
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...
Given n, find the sum of the digits that make up 2^n.
Input n = 7
Output b = 11
since 2^7 = 128, and 1 + ...
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displa...
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column:
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN.
Regardless of input, output the string 'yes'.
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
Find the sum of all the numbers of the input vector x.
Input x = [1 2 3 5]
Output y is 11
Input x ...
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...
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.
Remove the nth column from input matrix A and return the resulting matrix in output B.
A = [1 2 3; 4 5 6];
Given the input n, return true if n is odd or false if n is even.
Try out this test problem first.
Given the variable x as your input, multiply it by two and put the result in y.
How can I overlay images with different colormaps together while preserving the colormap of individual images in the composite i...
Asked 3 years ago
Thanks for the reply. I do know the exact size of each line, does this help? Are there low level commands that would help me...
8 years ago
Hi, I am trying to access a fairly large text file and rather than loading the whole file using textscan, I'd like to go to s...
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