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2倍してみよう - ここからスタート！
初めにこの問題を試してみよう。 入力としてxを与え、それを2倍して結果をyに代入せよ。 Examples: Input x = 2 Output y is 4 Input x = 17 Output y is 34 ...

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ベクトル [1 2 3 4 5 6 7 8 9 10]　の作成
MATLABでは,角括弧の中に要素を入れることで、ベクトルを作成できる。 x = [1 2 3 4] また次のようにも書ける（コンマはオプション）。 x = [1, 2, 3, 4] 問題：次のベクトルを出力する関数を作成せよ。...

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サイコロを作ろう
1から6までの独立かつランダムな数値を返すような関数を作成しましょう。 例： >> [x1,x2] = rollDice(); と入力すると x1 = 5 x2 = 2 のような解を返します。

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二つのベクトルの要素ごとの積の平均を計算しよう
二つの同じ長さのベクトルが与えられたとき、二つのベクトルの要素ごとの積の平均を求めましょう。 例: 二つのベクトル [1 2 3] と [10 15 20] が与えられたとき、 それぞれの要素ごとの積の平均を取ると、 解は 33.3333 と...

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ベクトルのスケーリング
入力したベクトルの大きさを１にしてください。

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Bit to Gigabyte
1 bit = 1.25 × 10^-10 gigabytes | x is bit | y is gigabyte

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Make an identity matrix whose diagonal elements are 1:n
For a given input n, make an n by n identity matrix that contains the elements 1:n along its diagonal. For example, if input=5: ...

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Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

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Are you in or are you out?
Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

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surface areas of a cylinder
There are 3 inputs: option, radius and height. If option= '1', compute the lateral surface area of the cylinder, for option 2 ca...

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replace empty matrices with '[]'
for example a=1;a(:,1)=[]; returns a = Empty matrix: 1-by-0 use this as the input,and the output should be '[]...

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The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

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Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

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Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

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UICBioE240 problem 1.1
Remove the middle row from a matrix, assuming # of rows is odd. So if A = [ 1 2 3; 4 5 6; 7 8 9] the...

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UICBioE240 2.8
Convert x number of hours into seconds.

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UICBioE240 2.1
This will be useful later in the course, in conjunction to clc and clear all, what is the command to close all figure windows th...

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UICBioE240 problem 1.18
exp(pi/5*i) and exp(pi/5i). Is there any difference in result? Write yes or no as a string.

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Given a Vector v1, create v2 which is the sum of each two adjacent elements in v1. {length(v2)=length(v1)-1}
if v1 is [1 2 3 4 5 6 7 8] then v2 should be [3 5 7 9 11 13 15]. if v1 is [1; 3; 5; 7] the...

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Independent direction vectors of a plane
Given the equation of a plan of the form ax+by+cz=d, return 2 independent direction vectors which could e.g. be used to determin...

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Basic Matlab Operation Bonanza
Given a horizontal array of numbers, perform the following operations, in order: transpose, flip matrix horizontally, flip matri...

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Just another sum (JAS)
*Task:* Write a function that takes a vector X and returns the alternating sum of X: X(1)-X(2)+X(3)-X(4)+... *Example...

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Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

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Add 3 (x<=100) Or Subtract 100 and add 3(100<x)
Add 3 to every element. However, if the value is greater than 100, subtract 100 and add 3. eg. input x = [45 106; 67 1...

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Create tangent function out of cosine only
Please don't use tangent and sine functions

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matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

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03 - Matrix Variables 5
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>

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Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

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