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Feeds
A résolu
Area of square
Find the area of a square whose diagonal length is given as x.
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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...
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Determine the square root
Determine the square root of the value the user has entered, n.
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Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...
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Sum the rows
Sum the rows of the given matrix. Example x = [ 1 2 3 4 ] y = [ 3 7 ]
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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.
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Square a Number
Given an input x, return y, which is equal to the square of x.
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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1
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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...
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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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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.
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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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Given area find sides
In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...
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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
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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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Basic Quadratic Equation
Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x
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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]
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Change string to number
Change given string to number. (hint: there is already function) Changing from ['1234'] to [1234] is one of example
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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
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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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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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Matlab Basics - Absolute Value
Write a script that returns the absolute value of the elements in x e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]
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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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