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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03 - Matrix Variables 2
Make the following variable:
<<http://samle.dk/STTBDP/Assignment1_3b.png>>
A 9x9 matrix of zeros, but with the following v...
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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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Min of a Matrix
Return the minimum value in the given matrix.
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Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?
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Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n.
Example
For n = 2
then sum of squares = 5 (1^2 + ...
Box!
Given a box, find the volume of the cube. With each side = a.
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Find the product of a Vector
How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?;
x = [1 : 0.5 : 6];
y ...
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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.
Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...
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CONVERT TAN TO SIN
In a right angle triangle ABC given the tan(A) then find sin(A)
For example tan(A)=3/4 then sin(A)=3/5
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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
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NaN (欠損値) が含まれている行を削除しよう
行列 A が与えられたとき、その行列の中に NaN (Not a number; 欠損値) の要素がある行を見つけ出し、その行を削除しましょう。
例:
A = [ 1 5 8
-3 NaN 14
...
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ゼロでない要素が一番多い行を探そう
行列 a が与えられたとき、行列 a の中で一番ゼロの要素が少ない行のインデクス r を返す関数を作成しましょう。このとき、行列 a には一つだけしかこの条件に当てはまる行がないと仮定します。
例:
入力として、行列
a = [ 1 ...