Purush otham

Active since 2018

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Question

How to find curvature using points obtained by numerical integration?
Hi, I used ode45 to plot a curve and got the X,Z and phi value. Where X and Z are points on the curve which change depen...

7 years ago | 0 answers | 0

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Question

Non linear boundary value problem with infinity.How to solve?
dx/dphi= ((b*cos(phi))/((c*((z/b)-L))-(b*(sin(phi)/x)))); dz/dphi= ((b*sin(phi))/((c*((z/b)-L))-(b*(sin(phi)/x))));...

7 years ago | 1 answer | 0

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answer

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

7 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

7 years ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

7 years ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

7 years ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

7 years ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

7 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years ago

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Add two numbers
Given a and b, return the sum a+b in c.

7 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

7 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 years ago

Question

How to add more than one conditions for an ode45 problem?
Hi, This is my code in which 'b','phi' and 'VOLUME' are present: format long %input your entries here density=1;%kg/m3 ...

7 years ago | 0 answers | 0

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Question

Which area does this trapz find?
Hello, So this is a code I used and the plot I obtained. phi1=deg2rad(phiini); phi2=deg2rad(phifin); f=@(ph...

7 years ago | 0 answers | 0

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Question

How to find angle made by tangent at the end of a curve?
Hi, I have attached the image of a curve obtained by using ode45 . Now my intention is to find the angle that the tangent at ...

7 years ago | 1 answer | 0

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answer

Question

how to define the curve by the area rather than area by the curve?
I used ode45 to obtain a curve using certain parameters and using trapz I find its area. Now my intention is to obtain another ...

7 years ago | 1 answer | 0

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answer

Question

How to find area under graph?
How do I find only the area of the shaded portion using trapz, integral or any other method? <</matlabcentral/answers/uplo...

7 years ago | 0 answers | 0

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Question

What are some ways to use trapz,integral or quad in reverse?
I have used ode45 to solve two simultaneous differential equations and plotted their solutions, such that : Area=trapz(x) or Ar...

7 years ago | 1 answer | 0

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Question

Is there any function/way to use the adam bashforth multistep method for differential equations in matlab?
Any specific code? Can it be used for second order too?

7 years ago | 1 answer | 0

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Question

How do I solve the differential equation numerically which is of the form : (z"/[1+(z')^2]^(3/2))+(0.1928529/x)=2+(50.99203)*z ? I need to get the x and z values.
Initial conditions are x=0 and z=0

7 years ago | 1 answer | 0

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answer