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**Content Feed**

How can I remove certain points of the legend?

If the lines you want in the legend are the first things you plot (i.e., you plot all of them before you add the extra lines and...

mer än ett år ago | 0

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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 ett år ago

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Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

mer än ett år ago

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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 ett år ago

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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 ett år ago

taking differences and moving averages

For column 3, look into diff. diff(x) = [x(2)-x(1), x(3)-x(2), ...] Keep in mind that diff will give you a vector with one les...

mer än ett år ago | 0

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Calculate the correlation coefficient between the first and the second measurement and the correlation coefficient between the first and the third measurement.

The function |corr| tests correlations between pairs of variables. You can actually test the correlations between several pairs ...

ungefär 3 år ago | 0

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How to use selection from list menu

That |vertcat| line should produce an error because |ListString| is not the name of a variable (rather, it's a parameter that yo...

ungefär 3 år ago | 1

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Solved

Set the array elements whose value is 13 to 0

Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

ungefär 3 år ago

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Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

ungefär 3 år ago

Solved

Project Euler: Problem 6, Natural numbers, squares and sums.

The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

ungefär 3 år ago

Solved

Fibonacci-Sum of Squares

Given the Fibonacci sequence defined by the following recursive relation, * F_n = F_(n-1) + F_(n-2) * where F_0 = 0 and F_1 ...

ungefär 3 år ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

ungefär 3 år ago

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Return the Fibonacci Sequence

Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

ungefär 3 år ago

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intersection of matrices

Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

ungefär 3 år ago

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Getting the indices from a matrice

Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

ungefär 3 år ago

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Replicate elements in vectors

Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

ungefär 3 år ago

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Generate N equally spaced intervals between -L and L

Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

ungefär 3 år ago

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We love vectorized solutions. Problem 1 : remove the row average.

Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

ungefär 3 år ago

How can I write data from a for loop to following excel sheet columns?

I'm pretty sure at least part of it is that you declare AA inside the for-loop through the files. Each time the loop runs, it em...

ungefär 3 år ago | 0

How to replace use of cell storage with use of arrays?

According to a previous time you posted about matrix_plantsubm.m on Matlab Answers (thanks Google!), it looks like G, X0, and Y0...

ungefär 3 år ago | 2

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How to make multiple loops?

The two sets of statements (where you put %%*statements* and %%*different_statements*) need to be in the same while loop. The co...

ungefär 3 år ago | 1

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Solved

Sum all integers from 1 to 2^n

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.

ungefär 3 år ago

Estimating the perimeter of irregular shape

My answer assumes that the starting point is the first and last item in the x and y vectors, so if that's not your case, you'll ...

ungefär 3 år ago | 1

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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...

ungefär 3 år ago

Recreate plot from image

You need to scale each parameter (MPG, Horsepower, etc.) by the maximum value of each parameter. I used repmat in my code so tha...

ungefär 3 år ago | 0

| accepted