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I am removing some elements from a (long) vector. I am wondering which is the faster method in general (or better per se). Remov...
Asked 4 months ago
I guess you want to do
X(i) = betainv(u(i),2,3);
Y(i) = logninv(u(i),5,3);
you either missed the u(i) index, or y...
Answered 3 years ago
Bug solved under bug ID: 1-GLMOLN. Matlab documentation should be updated + necessity to call 'clear mex' after calling reset.
Conversion from graph adjacency matrix to incidence matrix.
4 years ago
Hi, I have this problem. If I make this in matlab
docNode = com.mathworks.xml.XMLUtils.createDocument('root');
Asked 4 years ago
according to my simulation the fastest way is to do this: issym = nnz(A-A')>0;
4 years ago
Is there some way to fit the figure size to the textbox?
a = annotation(...
Asked 3 years ago
If I do
I still see |symengine| and |mupadengine.mupadengine| in the memory.
Does it mean t...
10 months ago
Conversion from graph incidence matrix to adjacency matrix.
2 years ago
Remove all the vowels in the given phrase.
Input s1 = 'Jack and Jill went up the hill'
Output s2 is 'Jck nd Jll wn...
11 months ago
_Simply return the name of the coolest numerical computation software ever_
*Extra reward* (get a _freepass_):
As an addit...
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
Reverse the vector elements.
Input x = [1,2,3,4,5,6,7,8,9]
Output y = [9,8,7,6,5,4,3,2,1]
Find the mean of each consecutive pair of numbers in the input row vector. For example,
x=[1 2 3] ----> y = [1.5 2.5]
Given a row vector of numbers, find the indices of the two nearest numbers.
[index1 index2] = nearestNumbers([2 5 3...
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
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.
3 years ago
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...
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.]
Given the number x, y must be the summation of all integers from 1 to 2^x.
For instance if x=2 then y must be 1+2+3+4=10.
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...
Given two lists of numbers, determine the weighted average.
[1 2 3] and [10 15 20]
should result in
Check if sorted.
Input x = [1 2 0]
Output y is 0
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
Calculate the nth Fibonacci number.
Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ...
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