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Question
How to generate a badly conditioned matrix?
I want to test how, badly conditioning of a matrix A, will affect calculation of A*x = b where A is my increasingly badly condit...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Plotting polynomial values at given points.
I want to find the roots of Wilkinson polynomial and then compute the values of this polynomial for these roots. Everytning goe...
environ 12 ans il y a | 1 réponse | 0
0
réponseQuestion
Function of many input arguments returns only one value
I have this function: n = [0 :1: 40], x = 1.0, v = ((sin(x + 2.^-n) + cos(3*x + 2.^-n)) - (sin(x) + cos(3*x)))/(2.^-n) ...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Different results for two equal functions
I am comparing these two functions: f = sqrt(x.^2+1.0)-1.0 g = x.^2./(sqrt(x.^2+1.0)+1.0) x = [8^-6 8^-7, 8^-8] Eve...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Calculating function output for more than one input variable
I have this function y = x^2/(sqrt(x^2+1.0)-1.0) and I want to calculate it for several values of x but I don't know how to do ...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
from double to single precision
I want to calcute this equation x= 3.0*(4.0/3.0-1.0)-1.0 but using single precision instead of double. How do I do switch to sin...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
finding a number that satisfies given conditions
I need to find a floating point number x from the interval 1 < x < 2 such that: x ∗ (1/x) isn't equal to 1. I'ma beginner at Mat...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
Plotting all numbers from a set
Is it possible to plot all of the floating point numbers from a given set [1,2] to see the interval between consecutive numbers?...
environ 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
Uniform distribution of floating point numbers in double arithmetics.
I need to show that in double arithmetics, according to IEEE standard, floating point numbers are uniformly distributed in set [...
environ 12 ans il y a | 1 réponse | 0
