Problème

ascii
Using matlab, give the symbol that is associated with ASCii code 101.

plus de 9 ans il y a | 0 | 2 solveurs

Problème

logarithm
Write a script that returns the logarithm of the elements in x. e.g. x = [1 2 3 4 5] --> y = [0 0.3010 0.4771 0.6021 0.6990]

plus de 9 ans il y a | 0 | 1 solveur

Problème

evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 2x^3 – x^2 – 4x + 2

plus de 9 ans il y a | 0 | 1 solveur

Problème

subtract two numbers
Given a and b, return the difference a-b in c.

plus de 9 ans il y a | 0 | 6 solveurs

Problème

the difference of cubes
Given a and b, return the difference of cubes a^3 - b^3 in c.

plus de 9 ans il y a | 0 | 6 solveurs

Problème

a matrix of ones
Given an input x, create a square matrix y of ones with x rows and x columns.

plus de 9 ans il y a | 0 | 1 solveur

Problème

the odd elements
Write a function which extracts all the odd elements. example input: x = [1 8 9 45 -2 4] output: y = [1 9 -2]

plus de 9 ans il y a | 0 | 2 solveurs

Problème

complex numbers
For complex number z=a+bi, write code that will multiply a and b together.

plus de 9 ans il y a | 0 | 8 solveurs

Problème

rounding
Round 5.46 and make 'y' equal to that number.

plus de 9 ans il y a | 0 | 10 solveurs

Problème

a column vector to a row vector
Write a script to convert a column (e.g. x = [1; 2; 3]) to a row (e.g. y = [1 2 3]), your script should be able to do this for a...

plus de 9 ans il y a | 0 | 8 solveurs

Problème

a vector with a repeated entry
Create a row vector of length x, filled with 7's, for example, if x = 5 output = [7 7 7 7 7] make sure to round UP when x ...

plus de 9 ans il y a | 0 | 7 solveurs

Problème

intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

plus de 9 ans il y a | 0 | 91 solveurs

A résolu

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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A résolu

Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

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A résolu

Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

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A résolu

Add two numbers
Given a and b, return the sum a+b in c.

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A résolu

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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A résolu

ASCII Code
Using matlab, give the symbol that is associated with ASCii code 90.

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A résolu

Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

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A résolu

Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

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A résolu

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

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A résolu

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

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A résolu

Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

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A résolu

Square root of a number
Write a code that will output the square root of x.

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A résolu

Area of a circle
Given the radius x, y would be the area of a circle. Pi = 3.1416

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A résolu

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...

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A résolu

Write a code that will follow the equation y = x * (x + x) * x.
If x = 5, y = 5 * (5+5) * 5 = 250

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A résolu

Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

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A résolu

Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

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A résolu

Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

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