Feeds
已解决
Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...
2 years 前
已解决
Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...
2 years 前
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Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?
2 years 前
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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)
2 years 前
已解决
Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
2 years 前
已解决
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
2 years 前
已解决
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
2 years 前
已解决
Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
2 years 前
已解决
Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?
2 years 前
已解决
the average value of the elements
Calculate the average value of the elements in the array
2 years 前
已解决
Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
2 years 前
已解决
Remove a specific column with min value
Remove the column that contain the min value in the matrix? If you like the problem, please give it a like:)
2 years 前
已解决
Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?
2 years 前
已解决
Remove a specific column with max value
Remove the column that contain the max value in the matrix? If you like the problem, please give it a like:)
2 years 前
已解决
String Logic 6
Examples: 'CAT' --> 216 'DOG' --> 218 'ROSY' --> 333 'MATLAB' --> 433 'TRUST' --> 418 'MOSTLY' --> 488
2 years 前
已解决
Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?
2 years 前
已解决
Remove a specific row with min value
Remove the row that contain the min value in the matrix? If you like the problem, please give it a like:)
2 years 前
已解决
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
2 years 前
已解决
Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5
2 years 前
已解决
Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]
2 years 前
已解决
Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?
2 years 前
已解决
remove single elements
Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as th...
2 years 前
已解决
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. For...
2 years 前
