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fert


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16 total contributions since 2014

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Question


Iteration of a matrix equality
I have been trying to solve an equation of the matrices with the iteration. * A*PNode=del_node ; ...

oltre 2 anni ago | 1 answer | 0

1

answer

Question


solving iterative equations in matlab
For a heat exchanger modelling, I would like to give different equations into the Matlab, and solve the unknowns with respect to...

oltre 3 anni ago | 1 answer | 0

1

answer

Question


What is wrong with this loop?
for kn=1:199 for snn=1:6591 for sn=1:3 if x1c{kn+1,1}(snn,sn)-x1c{kn,1}(snn,sn)>20 x1c{kn+...

oltre 3 anni ago | 1 answer | 0

1

answer

Question


Limit of a Cell
I have a "x1c" cell, and with the following code: tn=1 for N=1:6591 for t=1:200 k=(((abs(x1c{t,1}(N)-x...

oltre 3 anni ago | 1 answer | 0

1

answer

Question


Value Storage from Cells with Matlab
for j=1:200 x1c{j,1}=[FM{1,j}{1,2},FM{1,j}{1,3},FM{1,j}{1,4}]; end I have this cell and I want the extract the value...

oltre 3 anni ago | 1 answer | 0

1

answer

Question


Math operations with Imported Data from Text
I have imported a text file. When I multiply the cells such as, filename(4,7)*filename(6,5); I get an error. I extracted data as...

circa 4 anni ago | 1 answer | 0

1

answer

Question


Using solve function to find the roots
syms x y = 2*x*exp(-x)-sin(x)==0; d=solve(y,x) It gives the "zero" as the only value that makes the y zero. But the r...

circa 4 anni ago | 1 answer | 0

1

answer

Question


The value that makes the derivative zero
Consider the function: f(x) = x^2* e^(-x) . I want to find the point that makes the derivative of this function zero. M...

circa 4 anni ago | 1 answer | 0

1

answer

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 ...

circa 4 anni ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

circa 4 anni 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...

circa 4 anni ago

Solved


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

circa 4 anni ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

circa 4 anni 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 ...

oltre 5 anni ago

Solved


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

oltre 5 anni 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...

oltre 5 anni ago