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Rotation of a contour plot
Look at this example: a = 37; [x,y] = meshgrid(linspace(-4,4,30)); z = exp(-x.^2/15-y.^2); contour(x,y,z) xlim(...

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Make an N-dimensional Multiplication Table
*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

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Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

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Area of a disk
Find the area of a disk or circle. x= radius of the disk.

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Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

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Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

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Max of a Vector
Write a function to return the max of a vector

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Measure a Special Distance
Given an n-by-2 matrix with positive and negative numbers, return an n-by-n matrix in the manner of the function template.

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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

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Moving average (variable kernel length)
Find the moving average in a vector. The kernel length is a variable. For example x = 1:10 kernel_length = 2 would r...

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Sort complex numbers into complex conjugate pairs
Sort complex numbers into complex conjugate pairs. Example: Input x = [3-6i -1-4i -1+4i 3+6i] Sorted output = [-1 - ...

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Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

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Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

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Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

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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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Sum of diagonals elements of a matrix
Given a matrix, return the sum of all the elements across the diagonals. E.g. A = [1 2 3; 4 5 6; 7 8 9;...

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

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Evaluate Polynomial
Given a polynomial equation coefficients in a vector p, you have to return its value at x. Example: For inputs p and x ...

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Negative Infinity
Round the given array a towards negative infinity.

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Positive Infinity
Round the array a towards positive infinity

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Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

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is it possible to square every element in equation ?
You have to use regular expression. <http://www.mathworks.com/help/matlab/ref/regexprep.html> Suppose that you use only s...

alrededor de 12 años hace | 0

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How can I solve this equation in MATLAB
Use mldivide operator to solve systems of linear equations of type Ax = b: <http://www.mathworks.com/help/matlab/ref/mldivide...

alrededor de 12 años hace | 0

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Complex transpose
Calculate the transpose of a matrix having complex numbers as its elements without changing the signs of the imaginary part. ...

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Compare two input matrices
Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...

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Find supported functions
Given a function name, return true if that function is supported by the toolboxes that are installed with MATLAB on this machine...

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Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

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Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

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