Ansgar Elles
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Question
billiard animation, set multiple rectangles, funny guy
Hi everyone! Im calculating the movement of billiardballs on a table. The calculations work I think but im having problems wit...
environ 3 ans il y a | 1 réponse | 0
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réponseQuestion
plot multiple rectangles/circles in the same frame, hold on
Hi I want to plot any desired number of circles in one plot for a billiard game. Creating each rectangle for itself isnt so hand...
environ 3 ans il y a | 1 réponse | 0
1
réponseQuestion
analysis, find series, switch expression, event function, billiard game
Hi, im simulating the movement of balls on a pool table. I want the user to chose his desired number of balls (theoretically fro...
environ 3 ans il y a | 1 réponse | 0
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réponseA résolu
Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
plus de 3 ans il y a
Question
find negative values of simple summation. code efficiency
Hello, I have the following statement which must be true: v1_before(1) == v1_transferred_vector(1) + v1_conserved_vector(1) My ...
plus de 3 ans il y a | 1 réponse | 0
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réponseA résolu
Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...
plus de 3 ans il y a
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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...
plus de 3 ans il y a
Question
multivariable regression, known structure, calculate coefficients
Hi, I have the equations for calculating the corrosion rate (r_corr) of different materials (e(1) steel, e(2) zinc, e(3) copper,...
plus de 3 ans il y a | 1 réponse | 0
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réponseA résolu
Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...
presque 4 ans il y a
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
presque 4 ans il y a
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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,...
presque 4 ans il y a
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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...
environ 4 ans il y a
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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...
environ 4 ans il y a
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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]; ...
environ 4 ans il y a
A résolu
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
environ 4 ans il y a
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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...
environ 4 ans il y a
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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
environ 4 ans il y a
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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...
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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
environ 4 ans il y a
A résolu
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...
environ 4 ans il y a
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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...
environ 4 ans il y a
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
environ 4 ans il y a
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Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
environ 4 ans il y a
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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
environ 4 ans il y a
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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 ...
environ 4 ans il y a
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Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
environ 4 ans il y a
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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
environ 4 ans il y a