Gelöst

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...

mehr als 4 Jahre vor

Gelöst

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]; ...

mehr als 4 Jahre vor

Gelöst

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...

mehr als 4 Jahre vor

Gelöst

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

mehr als 4 Jahre vor

Gelöst

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

mehr als 4 Jahre vor

Gelöst

Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

mehr als 4 Jahre vor

Gelöst

Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

mehr als 4 Jahre vor

Gelöst

Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

mehr als 4 Jahre vor

Gelöst

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

mehr als 4 Jahre vor

Gelöst

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...

mehr als 4 Jahre vor

Gelöst

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

mehr als 4 Jahre vor

Gelöst

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 ...

mehr als 4 Jahre vor

Gelöst

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...

mehr als 4 Jahre vor

Gelöst

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...

mehr als 4 Jahre vor

Gelöst

Find the peak 3n+1 sequence value
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...

mehr als 4 Jahre vor

Gelöst

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...

mehr als 4 Jahre vor

Beantwortet
How to create body centered cubic structure?
You could create 2 different X/Y/Z combinations, each for corners and centre of the lattice. Then plotting them one after the ...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
matconvnet in online matlab
The problem is that since 'mex' command is not yet supported in Matlab Online, you cannot compile the source code as mentioned i...

mehr als 4 Jahre vor | 0

Beantwortet
How can I solve 6 different first order ODEs (Three DOF) with ODE45 in three different conditions
I'm not sure which script contains your constraints. In general, you may try writing a third script to invoke the first two from...

mehr als 4 Jahre vor | 0

Beantwortet
how to build a histogram from an output with 2 vectors
Hi Heg, It seems that you haven't posted the code where the 'ga' algorithm is running and the results are obtained. In general...

mehr als 4 Jahre vor | 0

Beantwortet
Making a circle with circles
Hi Nicholas, I'm assuming you want smaller circles (r=1) to be arranged in a circular shape, i.e. where they form the perimente...

mehr als 4 Jahre vor | 0

Beantwortet
unable to find function / Previously accessible file
Hi Malgorzata, Instead of saving the strings to a .m code file and executing that code, I suggest using eval() to have them po...

mehr als 4 Jahre vor | 0

Beantwortet
What is the logic behind timedelaynet?
I belive this page explains the basic concepts. Wikipedia Entry You may read the following research papers to get a better u...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
how to change dot notation to if else if structure, with while and for loops.
I'm not certain what sort of 'dot notation' is in question here. The '.' - dots in your code are multiplication operators. In M...

mehr als 4 Jahre vor | 0

Beantwortet
Matlab code for PRESENT and HIGHT
You may explore MATLAB File Exchange for such implementations. File Exchange is a platform for Matlab users to publicly share ...

mehr als 4 Jahre vor | 0

Beantwortet
Function calling and executing from different .m files
Hi Jay, As an alternative, you may try saving the initialized matrix to disk (typucally as a .mat file) and loading it in the s...

mehr als 4 Jahre vor | 0

Beantwortet
how to calculate classification accuracy
Hi Reen, I'm not sure which method you want to use for calculating an accuracy value, but here's one approach we may try: % ou...

mehr als 4 Jahre vor | 0

Beantwortet
how to generate indices for the training data for all the possible combinations in leave n out cross validation?
Hi Harshan, You may use 'cvparition' function with 'leaveout' option specified. Have a read of the doc: https://www.mathwork...

mehr als 4 Jahre vor | 0

Beantwortet
Multiply a column by -1, then do something. Do this for all possible combinations of the matrix
Hey Diego, I think you can attempt this problem using logical indexing. It's often faster to group all the combinations into a ...

mehr als 4 Jahre vor | 0

Beantwortet
partially reduced row echelon form
Hey Christoph, You may try using the 'fast rref' function created on File Exchange by Armin Ataei. It may perform faster than ...

mehr als 4 Jahre vor | 0

| akzeptiert