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Investigating numbers with few repeated numbers
The first digit has to be a non-zero digit, and hence it can only be populated 9 ways. Let denote the number of times the fir...
Investigating numbers with few repeated numbers
The first digit has to be a non-zero digit, and hence it can only be populated 9 ways. Let denote the number of times the fir...
6年以上 前 | 1
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Corrcoef error: "cannot compute p-values for complex inputs".
Hi Mat, According to my understanding, here "i" is a cell-array and the requirement is to find correlated-coefficients ("corr...
Corrcoef error: "cannot compute p-values for complex inputs".
Hi Mat, According to my understanding, here "i" is a cell-array and the requirement is to find correlated-coefficients ("corr...
7年以上 前 | 0
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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...
7年以上 前
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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...
7年以上 前
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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...
7年以上 前
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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 ...
7年以上 前
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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...
7年以上 前
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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...
7年以上 前
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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 ...
7年以上 前
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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 ...
7年以上 前
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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...
7年以上 前
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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:...
7年以上 前
