Johanna
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Comment on a problem or solution
Awarded to Johanna on 08 Aug 2024
Solve all the problems in Introduction to MATLAB problem group
Awarded to Johanna on 06 Aug 2024
Solve all the problems in CUP Challenge
Awarded to Johanna on 29 Jul 2024
Solve a community group
Awarded to Johanna on 29 Jul 2024
Like a problem or solution
Awarded to Johanna on 14 May 2024
Solve a problem for the first time
Awarded to Johanna on 12 May 2024
Feeds
Solved
De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...
19 dagen ago
Solved
Air Mass to Star for an Observer at Mean Sea Level
Air mass is a measure of how much atmosphere light from a source above the atmosphere (eg sun, planet, star) has to travel throu...
3 maanden ago
Solved
Predict Cricket Stridulation Rate from Air Temperature
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...
3 maanden ago
Solved
Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...
3 maanden ago
Solved
Roll the Dice!
Description Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. Example [x1,x2] = rollDice(...
3 maanden ago
Solved
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...
4 maanden ago
Solved
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;...
4 maanden ago
Solved
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
4 maanden ago
Solved
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
4 maanden ago
Solved
the average value of the elements
Calculate the average value of the elements in the array
4 maanden ago
Solved
Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.
4 maanden ago
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