Purush otham

Actif depuis 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...

plus de 7 ans il y a | 1 réponse | 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))));...

plus de 7 ans il y a | 1 réponse | 0

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A résolu

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...

plus de 7 ans il y a

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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...

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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 ...

plus de 7 ans il y a

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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 ...

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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 ...

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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...

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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...

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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.

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

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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 ...

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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...

plus de 7 ans il y a

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 ...

plus de 7 ans il y a | 1 réponse | 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...

plus de 7 ans il y a | 1 réponse | 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 ...

plus de 7 ans il y a | 1 réponse | 0

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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 ...

plus de 7 ans il y a | 1 réponse | 0

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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...

plus de 7 ans il y a | 1 réponse | 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...

plus de 7 ans il y a | 1 réponse | 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?

presque 8 ans il y a | 1 réponse | 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

presque 8 ans il y a | 1 réponse | 0

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