Assistant Professor, Civil and Environment Engineering, University of Waterloo (https://cviss.net)

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Divide by 4

Given the variable x as your input, divide it by 4 and put the result in y.

5 days ago

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Divide by 4

Given the variable x as your input, divide it by four and put the result in y.

5 days ago

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Omit columns averages from a matrix

Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

6 days ago

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Convert to Binary Coded Decimal

Convert from decimal representation to <http://en.wikipedia.org/wiki/Binary-coded_decimal Binary Code Decimal> (or BCD) represen...

6 days ago

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Solve Linear equations

Solve Linear equations Example: x+y=2 and x+2y=3, then x and y equal to 1.

6 days ago

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Find out value of polynomial at different value.

Find out value of polynomial at different value. Example p(s) = s + 8 For s=0, value is 8.

6 days ago

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Gamma Function

Evaluate the <http://en.wikipedia.org/wiki/Gamma_function/ Gamma Function>. Gamma_val(0) = Inf Gamma_val(1.2) = 0.9182

6 days ago

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Find out characteristics equation of given matrix.

Find out characteristics equation of given matrix. A=[0 2; 1 8] then char. eq is s^2-8*s-2=0 and answer should be [1 -8 -2] ...

6 days ago

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Find out the Gray Code for a Given Binary Number

Find out <http://en.wikipedia.org/wiki/Gray_code Gray Code> for a given binary number Example Binary input 1000 Gray ...

6 days ago

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Create an anti-identity matrix

Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

6 days ago

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Determine the mean of matrix

Determine the mean of matrix without using mean function Hint: use simple algorithm

6 days ago

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Is My Wife Wrong?

Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

6 days ago

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文字列の最初と最後の文字だけ抜き出しましょう。

文字列の最初と最後の文字をつなげて返すような関数を作成しましょう。 もし文字が一つしかない場合、その文字は最初と最後の文字のため、関数はその文字を二回返すようにしておきましょう。 例: stringfirstandlast('borin...

7 days ago

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Back to basics 25 - Valid variable names

Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

7 days ago

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Back to basics 23 - Triangular matrix

Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

7 days ago

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Back to basics 20 - singleton dimensions

Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

7 days ago

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Back to basics 19 - character types

Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

7 days ago

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Back to basics 18 - justification

Covering some basic topics I haven't seen elsewhere on Cody. Given a string with extra spaces in front and/or in back, return...

7 days ago

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Back to basics 16 - byte order

Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...

7 days ago

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Back to basics 15 - classes

Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

7 days ago

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Back to basics 15 - Benchmark

Covering some basic topics I haven't seen elsewhere on Cody. Return an array of the benchmark values for MATLAB.

7 days ago

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Back to basics 3 - Temp Directory

Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the path to the system's current temp di...

7 days ago

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Back to basics 2 - Function Path

Covering some basic topics I haven't seen elsewhere on Cody. Given a string that is the name of a MATLAB function, return a s...

7 days ago

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Back to basics 4 - Search Path

Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

7 days ago

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Back to basics 7 - Equal NaNs

Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

7 days ago

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Back to basics 9 - Indexed References

Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

7 days ago

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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...

7 days ago

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Back to basics 13 - Input variables

Covering some basic topics I haven't seen elsewhere on Cody. Return as a string the name of the input variable to the functio...

7 days ago

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Back to basics 14 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

7 days ago