A résolu


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

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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...

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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...

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Réponse apportée
License Manager Error -1 when call python module which includes multiprocessing
Hello Yun Lu, You are experiencing this error because using the ‘multiprocessing’ Python module from MATLAB is not a supporte...

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| A accepté

A résolu


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

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I get an error-9 saying license checkout fail and the Matlab software is not working ? Why ?
It could be a username issue. Check out the following links, it might help: <https://www.mathworks.com/matlabcentral/answers/...

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Normalization of ui.table rows upon proportinal resize behavior
Hi JB, The ability to resize the UI table automatically to display the entire data is not available in MATLAB. Thanks

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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...

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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...

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

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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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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 ...

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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...

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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...

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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 ...

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

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

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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:...

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How do I integrate acceleration function to get velocity?
Hi Noor Abdulrahman, Using the particle deceleration, a = dv/dt = -0.7(v^3), we have: - dv/(0.7*v^3) = dt Now, the in...

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Symbolic computation of expected values E(x)
Hi Juan, You can try using the MuPAD language included in Symbolic Math Toolbox, which is optimized for handling and operatin...

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How to change an exact value of a submatrix from a given matrix ?
Hi Virgilio, Yes, it is possible to replace a specific value of a submatrix with a new value. For example, consider the matri...

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