Gelöst

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 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...

etwa 10 Jahre vor

Gelöst

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...

etwa 10 Jahre vor

Gelöst

Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

etwa 10 Jahre vor

Problem

Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

etwa 10 Jahre vor | 2 | 189 Lösungsvorschläge

Gelöst

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

etwa 10 Jahre vor

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. Example...

etwa 10 Jahre vor

Gelöst

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 ...

etwa 10 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...

etwa 10 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]; and ...

etwa 10 Jahre vor

Gelöst

Is my wife right?
Regardless of input, output the string 'yes'.

etwa 10 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...

etwa 10 Jahre vor

Gelöst

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

etwa 10 Jahre vor

Gelöst

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

etwa 10 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 ...

etwa 10 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...

etwa 10 Jahre vor

Gelöst

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:...

etwa 10 Jahre vor

Gelöst

Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

etwa 10 Jahre vor

Gelöst

Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

etwa 10 Jahre vor

Frage

Saving (in a matrix) the elapsed time and number of iterations for a large number of cases
I have a program that outputs the **number of iterations** and a **test value**, given inputs **A1,A2,A3,A4**. I want to run ...

mehr als 10 Jahre vor | 1 Antwort | 0

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Antwort

Frage

MATLAB: 2-D plot with z-axis given in color
My friends and I have been struggling to generate a 2-D plot in MATLAB with eta_1 and eta_2 both varying in 0:0.01:1 and the z...

fast 11 Jahre vor | 1 Antwort | 0

1

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Frage

Solving a nonlinear system of equations, with constraint of nonnegative solutions
I would like to solve a nonlinear system of 9 equations, with the constraint that the solutions must be nonnegative. This pr...

etwa 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Seemingly unrelated error message: In an assignment A(I) = B, the number of elements in B and I must be the same.
Hello, I am trying to solve a ODE BVP using bvp4c. I cannot figure out why I am getting this error: In an assignmen...

mehr als 11 Jahre vor | 1 Antwort | 0

1

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Frage

How to draw line connecting minima of graphs in the same plot space?
I would like to draw a line connecting the minima of 50 graphs in the same plot space. I am not sure what to put under %%P...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Minimizing a multivariable function in several variables in MATLAB
I need to minimize a nonlinear function subject to constraints, where everything is a parameter - no numbers. Does anyone kno...

mehr als 11 Jahre vor | 1 Antwort | 0

1

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Frage

MATLAB error: Subscript indices must either be real positive integers or logicals
I have the following error in MATLAB, and it's driving me nuts! I have failed to fix it for 24 hours now, and I need your help. ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

New to MATLAB - trying to write bisection method?
Hello, I'm brand new to MATLAB and am trying to understand functions and scripts, and write the bisection method based on an alg...

etwa 12 Jahre vor | 2 Antworten | 0

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Frage

Can MATLAB divide two row vectors?
Hi. I have a simple question. I inputted [3 3 3]/[4 5 6] in MATLAB and got 0.5844 (format short). My question is how can MATL...

etwa 12 Jahre vor | 2 Antworten | 1

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