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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

8 years ago

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Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

8 years ago

Solved

Related Vectors
I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

8 years ago

Solved

Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

8 years ago

Solved

Remove the first, third and fifth rows of a matrix
Given a matrix x with at least five rows, return a matrix y that includes all rows of x except for th 1st, the 3rd and 5th. E...

8 years ago

Solved

Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

8 years ago

Solved

Sum two matrices
Take two incoming matrices, and sum them

8 years ago

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replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...

8 years ago

Solved

Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

8 years ago

Solved

Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

8 years ago

Solved

Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

8 years ago

Solved

Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

8 years ago

Solved

Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

8 years ago

Solved

Matrix Max Finder
Output the maximum value in a matrix

8 years ago

Solved

Change string to number
Change given string to number. (hint: there is already function) Changing from ['1234'] to [1234] is one of example

8 years ago

Solved

Basic commands - rounding
make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

8 years ago

Solved

Basic commands - Least common multiple
Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

8 years ago

Solved

Matlab Basics II - Extract last 3 elements of a vector
Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

8 years ago

Solved

Matlab Basics - Assigning Variables
Assign different types of data to variables: integer, double, and strings Example: A is a double, for example 2.34 B is a...

8 years ago

Solved

Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

8 years ago

Solved

Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

8 years ago

Solved

Saving MATLAB session to a file
How to save MATLAB session to a file?

8 years ago

Solved

Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

8 years ago

Solved

Kinetic Energy
Given the mass m and velocity v of an object, determine its <http://en.wikipedia.org/wiki/Kinetic_energy kinetic energy>.

8 years ago

Problem

Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

8 years ago | 2 | 71 solvers

Solved

Matlab Basics II - Create a vector with a repeated entry
Create a row vector of length n, filled with 4's, for example, if n = 3 output = [4 4 4] make sure to round UP when n is a...

8 years ago

Solved

Matlab Basics - Logical Tests I
Write a script to test whether a year number is for a leap year or not. eg. x = 1884 output = 1 eg. x = 3 output = 0

8 years ago

Solved

Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

8 years ago

Solved

Back to Basics - Find no. of elements in a matrix?
Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

8 years ago

Solved

Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

8 years ago