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Matrix problem for beginners
Make a matrix [0,0,0;1,1,1;2,2,2]. X=[0,1,2]

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Matrix for beginners
Multiply x and y elemwise.

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

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Square
X is a number, write a code, where Y should be the square of X.

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

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Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

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Matrix element wise multiplication
Take two incoming vectors, and multiply them element wise

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Vector indexing: lower than mean
Find all values in a vector lower than the mean of the vector

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

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

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Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

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length of a vector
Find twice the length of a given vector.

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Draw a 'Z'.
Given _n_ as input, generate a n-by-n matrix like 'Z' by _0_ and _1_ . Example: n=5 ans= [1 1 1 1 1 0 0 0 1 ...

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Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

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Counting down
Create a vector that counts from 450 to 200 in increments of 10.

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

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Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

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Building matrices
If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

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Complex number
For complex number c=a+bi, write code that will add a and b together.

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Rounding
Round 10.67 and make 'y' equal to that number.

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Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

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Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

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ASCii Code
Using Matlab get the ASCii for '?'

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ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

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Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

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Kinetic Energy
Given mass, m, and kinetic energy, KE, find the velocity of the object.

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What is this number?
X=1,Y=1 X=1903,Y=1903

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Given A4 sizes find A3's long side
I think you know the relation between A3 and A4 paper so givens are sides of A4 x1=long side of A4 y1=short side of A4 y2 is ...

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Problem


Given A4 sizes find A3's long side
I think you know the relation between A3 and A4 paper so givens are sides of A4 x1=long side of A4 y1=short side of A4 y2 is ...

plus d'un an ago | 1 | 45 solvers

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