Feeds
提问
java heap error when opening txt file
Hello, when opening a txt-file with fid = open('testfile.txt'); I am getting an error: Exception in thread "AWT-EventQueue-0...
3 years 前 | 1 个回答 | 0
1
个回答提问
How do I know the size of a solution in Cody?
I started with Cody today and I found the file calculateSize.m <https://de.mathworks.com/matlabcentral/fileexchange/34754-calcul...
7 years 前 | 0 个回答 | 0
0
个回答已解决
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...
7 years 前
已解决
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...
7 years 前
已解决
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...
7 years 前
已解决
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...
7 years 前
已解决
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 ...
7 years 前
已解决
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...
7 years 前
已解决
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 ...
7 years 前
已解决
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...
7 years 前
已解决
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
7 years 前
已解决
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
7 years 前
已解决
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 ...
7 years 前
已解决
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...
7 years 前
已解决
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:...
7 years 前
已回答
How to climb stairs?
Try a "pause(0.5)" or something like that in the for loop. Otherwise you only see the last picture.
How to climb stairs?
Try a "pause(0.5)" or something like that in the for loop. Otherwise you only see the last picture.
7 years 前 | 0
提问
Changing Faces of DiscreteGeometry (PDE Toolbox)
I am trying to add a geometry to my PDE model from my given mesh (Nodes and Tetrahedron elements). model = createpde(...
7 years 前 | 2 个回答 | 0