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...
1 day 前
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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;...
1 day 前
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the average value of the elements
Calculate the average value of the elements in the array
1 day 前
已解决
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
1 day 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.
1 day 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?
1 day 前
已解决
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)
1 day 前
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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
1 day 前
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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
1 day 前
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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?
1 day 前
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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
1 day 前
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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?
1 day 前
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Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?
1 day 前
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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?
1 day 前
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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...
8 days 前
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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...
8 days 前
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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
8 days 前
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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
8 days 前
已解决
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...
8 days 前
