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Refresh your system of equations
Given square matrix, and solution vector, find the values of the variables Example: xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2...

10 years ago

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Calculate 3D Distance
Given 2 vectors (1st is initial position, 2nd is the destination) calculate the distance in 3D Example in1 = [0 0 0] in2...

10 years ago

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Extract area
There are observed data c and its location (x,y) x=1:0.1:10 y=1:0.1:10 [x,y]=meshgrid(x,y) c=x.^2+y.^2 Extract data c i...

10 years ago

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Find peaks
x=0:0.1:10 y=exp(-0.7*(x-2).^2)+0.5*exp(-0.7*(x-7).^2) There are two peaks.(try plot(x,y)) Make code for finding peaks'...

10 years ago

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Calculate numerical integration.
x=0:0.01:1 y=x.^2 Calculate area from x=0 to x=1, and y=0 to y=x^2 using numerical integration. (hint: trapz)

10 years ago

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tridiagonal matrix
Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

10 years ago

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Calculate triangle's hypotenuse
There are 634 eggs. A box can take 18 eggs. How many boxes are needed? Input is number of eggs and output is number of needed...

10 years ago

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How to check matrix's size?
x=randi(100) y=randi(100) A=zeros(x,y) Can you measure size of matrix A?

10 years ago

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Create given matrix
y = 0 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 1 1 ...

10 years ago

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Display positive elements of matrix.
Display positive elements of matrix.

10 years ago

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Duplicate me
Repeat elements of vector input twice Ex: input = [1 2 3] output = [1 1 2 2 3 3]

10 years ago

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how to round off a given number containing decimals?
how to round off a given number containing decimals?

10 years ago

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HOW TO FIND SINGULAR VALUE OF A MATRIX?
HOW TO FIND SINGULAR VALUE OF A MATRIX?

10 years ago

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how to find characteristic polynomial of a given matrix?
how to find characteristic polynomial of a given matrix?

10 years ago

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

10 years ago

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How find sum of elements of each column in matrix?
How find sum of elements of each column in matrix?

10 years ago

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

10 years ago

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Basic commands - logarithmically spaced vector
Make a function, which will give a vector: y=[ 0.01 0.1 1 10 ... 10^x];

10 years ago

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Basic commands - Left division matrix
Please write a function which will left division of A,B Pay attention this is right division: A/B

10 years ago

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Create square matrix filled with equal numbers.
Create square matrix filled with equal numbers; n - size,x - given number .Example x=2,n=2 [2 2 ; 2 2]

10 years ago

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Set number x for diagonal of square matrix, which size is n.
Set number x for diagonal of square matrix, other values should be equlal 0, which size is n. Example n=2, x=4: [4 0; 0 4]

10 years ago

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Create square matrix filled with ones.
Create square matrix filled with ones, of size x. Example [1 1; 1 1]

10 years ago

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

10 years ago

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how to convert given text into all upper case letters?
how to convert given text into all upper case letters?

10 years ago

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Calculate using 'for' statements
Equations are easily calculated using matlab. Especially, when we calculate multivariable(more than two) variables, "meshgrid" f...

10 years ago

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Implement zero based indexing (Vectors only)
Given an input vector and position (which is zero based) output the value Example: x = [1 2 4 5] pos = 2 value = 4

10 years ago

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Triplicate me
Given an input vector, output a 3n vector with all elements of input vector repeated thrice Example : in->[1 2 3 5] out...

10 years ago

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Get Cody's screen size
Return an object that helps this problem's test suite return Cody's screen size.

10 years ago

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Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

10 years ago

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check string
display any string

10 years ago