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Feeds
A résolu
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...
4 jours il y a
A résolu
Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...
4 jours il y a
A résolu
First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero i...
23 jours il y a
A résolu
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...
23 jours il y a
A résolu
SatCom #2: Gain of a circular 'dish' antenna
Satellite and Space Engineering - Problem #2 This is part of a series of problems looking at topics in satellite and space comm...
24 jours il y a
A résolu
Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...
24 jours il y a
A résolu
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...
environ un mois il y a
A résolu
Find MPG of Lightest Cars
The file cars.mat contains a table named cars with variables Model, MPG, Horsepower, Weight, and Acceleration for several classi...
environ un mois il y a
A résolu
Laws of motion 5
Calculate the force is u are given mass and acceleration.
environ 2 mois il y a
A résolu
"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...
environ 2 mois il y a
A résolu
Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
environ 2 mois il y a
A résolu
Getting the indices from a matrix
Inspired by Problem 645. Getting the indices from a matrix. Given a matrix A (or a vector), return the indices (always in row...
environ 2 mois il y a
A résolu
Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...
environ 2 mois il y a
A résolu
Convert a temperature reading from Celsius to an unknown scale
Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...
environ 2 mois il y a
A résolu
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 mois il y a
A résolu
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
2 mois il y a
A résolu
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
2 mois il y a
A résolu
the average value of the elements
Calculate the average value of the elements in the array
2 mois il y a
A résolu
Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.
2 mois il y a
A résolu
Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the second...
2 mois il y a
