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Matrix Generation.
if input n =1, generate a matrix y = [1]

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

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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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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

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Find the maximum two numbers of every column of a matrix
Find the maximum two numbers of every column of a matrix. Example: If we input a matrix A = [ 1 2 4 6 0 3 ...

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Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

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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 ...

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Find the index of the first occurrence of a value in a matrix
Given a matrix of scalars, find the first occurrence of -1 in each column. Output NaN for a column which does not contain the va...

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First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

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first element of matrix
find the first elements of a column matrix

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Delete 2nd and 5th column of Given 6*6 matrix
Delete the 2nd and 5th columns of the given 6*6 matrix. Example Suppose A = magic(6) 35 1 6 26 19 ...

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convert matrix to single column
given any matrix, convert it to single column

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Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

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How find minimum element of a column in matrix?
How find minimum element of a column in matrix?

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Calculate geostrophic current
eta0=0.01; R=300; f=0.01; g=9.81; x=-500:50:500; y=-500:50:500; [x y]=meshgrid(x,y); eta=eta0*exp(-(x.^2+...

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How to find average of each column ?
How to find average of each column for a given matrix?

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Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

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Make sorting matrix without sort function.
It is very valuable for student to simple sorting program because they learn about use of loop and if-statement. Sort given inpu...

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Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

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How find maximum element of a column in matrix?
How find maximum element of a column in matrix?

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product of given two numbers?
product of given two numbers?

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Rotate Matrix Both Direction (45 Degree)
*Matrix (3x3 only) rotation*: 3 inputs: *x* matrix, *n* times and *m* option. output: *y* matrix with *n x 45* degree ...

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Solve expression I
Solve expression (1+sin(x))/cos(x)+cos(x)/(1+sin(x)) for given vector x.

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Basics - not so easy division
Please make a function whcih divides x/y, but pay attention for some exceptions with NaN,0,Inf. Sometimes return "ERROR" instead...

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Solve the system of linear equations
4x - 2y +6z=8 2x + 8y +2z=4 6x + 10y +3z=0 Input is each coefficient of polynomial. For example, a=[4 ...

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

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Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

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Diagonal & Anti-Diagonal Matrix: Easy
Create a matrix as shown below from "magic" square. For example: if input x=9;then use mgic(x) and create the matrix...

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Replace values under a limit
For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

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Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

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