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Last seen: 6 months ago Active since 2021

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Double Inequality 3Dplot
Is there a way to have a 3D plot on say and clearly see the bounded region?

6 months ago | 1 answer | 0

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Question

Multiple plot on same graph
I would like to have these 4 plots on the same graph sheet for easy comparison. Plotting the individual plot works but I am not ...

7 months ago | 1 answer | 0

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Error using gmres. Too many output arguments.
Yes. The resolution is that I had another file in the path folder with gmres so removing that file to a different folder did the...

7 months ago | 0

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Question

Error using gmres. Too many output arguments.
I am pretty sure about this code that it is working I copied it from a textbook. But when I run it I get the error "Error usin...

7 months ago | 2 answers | 0

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Question

Implementing a boundary value problem with code from file exchange
By the help of Ernesto Momox B. University of Essex, UK in Matlab file exchage, I got code for finite difference method that sol...

1 year ago | 0 answers | 0

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Question

Versions of Euler Methods
Please, pardon me for my ignorance I am new to MATLAB. I want to compare three versions of Euler methods with the step sizes of ...

1 year ago | 2 answers | 0

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Question

Plotting graphs with setting my own scales
I plotted these nonlinear functions fplot (@ (x)x^2 -2) hold on fplot (@(x) sqrt(x+2)) hold on fplot (@(x) (x^2 + 2)/(2*...

1 year ago | 1 answer | 0

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Question

Finding all roots of nonlinear function
How would I find all the roots of the function I know all sine functions have multiple roots and so this function may also hav...

1 year ago | 1 answer | 0

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Question

Linear programming code not showing the solution
I extracted the following code from an online pdf that solves basic feasible solution of linear programming problems. function...

1 year ago | 2 answers | 0

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Question

Logical with complex numbers in a vector
I have a complex number in a vector, e = -0.0000 3.0000 9.0000 >> logical(e) %checking if the the first entry...

1 year ago | 3 answers | 0

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Question

Combining Functions of Gaussian elimination and Banded Matrix
Goal: to create a banded version of Gaussian elimination without pivoting. %%Work so far: I have a code that generates a bande...

1 year ago | 0 answers | 0

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Question

MATLAB Smallest Integer in floating point number system
I am interested in finding the smallest integer in MATLAB, say y, that is not representable in 64 bit floating point format so t...

1 year ago | 2 answers | 0

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Question

Creating a fourth column of my code
I have the following codes: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - format longg f= @(x) sin(x); x0...

1 year ago | 0 answers | 0

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Question

Converting a whole number to base 2 (Binary Operation)
I know there are built in functions for converting a decimal and whole numbers to binary numbers. But I need help in writting a...

1 year ago | 1 answer | 0