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Question
better than if else conditions
I would like to give a tag to a number based on in which region it lies. I am currently using an if else condition. Wondering if...
nästan 7 år ago | 2 answers | 0
2
answersQuestion
How to find mutual arrays position of multiple matrices with different length
I have two matrices and I want the corresponding all indices, not just the first one. Here is the example A = ... ...
nästan 7 år ago | 2 answers | 0
2
answersSolved
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
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...
mer än 7 år ago
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...
mer än 7 år ago
Solved
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 ...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
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 ...
mer än 7 år ago
Solved
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mer än 7 år ago
Solved
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 ...
mer än 7 år ago
Solved
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...
mer än 7 år ago
Solving an integral differential equation using BVP4C
integral(x1,t,tend) = x5 x5dot = -x1 % using fundamental theorem of calculus This solves the problem. http://math.st...
nästan 9 år ago | 0
| accepted
Question
Solving an integral differential equation using BVP4C
I have a set of differential equations of the form: x1dot = x3; x2dot = x2; x3dot = x1; x4dot = x2...
nästan 9 år ago | 1 answer | 0
1
answerQuestion
Fsolve convergence when the variables are changing of the order of 1e-3 or less
I am interested in using fsolve to get the initial guess which satisfies a boundary condition in a Boundary Value Problem(BVP). ...
nästan 9 år ago | 1 answer | 0
1
answerQuestion
Estimate the rotation of central axis of a 3D curve
I have N points in [x,y,z] and this kind of takes a spiral shape. Is it possible to find the central axis of such a spiral. Thi...
ungefär 9 år ago | 0 answers | 0
0
answersQuestion
Boundary value problem in optimization formulation
I have to solve an optimization problem and it has a boundary value problem(BVP) in it. As we know the BVP takes quite a bit of ...
ungefär 9 år ago | 1 answer | 0
1
answerWhy does parpool take so long to start up for the first time in a MATLAB session?
You can refer the answer for a similar question asked in stack exchange. <http://stackoverflow.com/questions/17125785/matlabpoo...
mer än 9 år ago | 0
doubt to store a array values in for loop ?
Hi Ravi, If you have a row vector as a = 1:1:10 and you want only some entries as a new vector you can do b = a([1:3:10]) ...
mer än 9 år ago | 2
Question
Convergence program stuck at a point.
Hi all, Below is the code when I am trying to get convergence of a function by varying a variable which dictates it. The sum ...
mer än 9 år ago | 1 answer | 0
1
answerQuestion
Warning message while using camera calibrator
I am trying to calibrate a camera using Matlab Camera Calibrator. After I select the images, I am getting the following warning ...
mer än 9 år ago | 1 answer | 1
1
answerSolved
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:...
mer än 9 år ago
Question
surface area of a 3D surface
I have data for 3D points and I have made a surface using these points. Is there a way to get surface area of this 3D surface. ...
mer än 9 år ago | 2 answers | 1
