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Ous Chkiri


Last seen: plus de 2 ans il y a Actif depuis 2019

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Question


how to plot polyfit same plot as scatter
figure (1) scatter(Alpha(X_new),CD_new,'linewidth',0.0001); p=polyfit(Alpha(X_new),CD_new,1); xlabel('Alpha'); ylabel('CD');...

presque 3 ans il y a | 1 réponse | 0

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Question


slp method to minimize function
Error: Error using SLP>f_SLPclass (line 26) x should be 5 elements long, but instead it is length 2 Error in SLP (line 6) ...

environ 3 ans il y a | 1 réponse | 0

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Question


slp error matlab function
I have error on my code.This slp method to minimize function clear; clc; x=[1;1]; dxlb=[-1;-1]; dxub=[1;1]; Tolx=0.01; T...

environ 3 ans il y a | 1 réponse | 0

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Question


Golden section search algorithm
Errors : with the same size and shape as the input arguments. > In matlab.graphics.function.FunctionLine>getFunction In matl...

environ 3 ans il y a | 1 réponse | 0

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Question


I know why the error is the zeroes?
clear all; close all; clc; dt=0.25; x=-40:450; ui=0.5.*exp(-log(2).*(x./3).^2); figure(1) plot (x,ui) xlabel('x-axis') ...

plus de 4 ans il y a | 1 réponse | 0

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Question


Plotting this pde versus x axis
Initial Value Problem du/dt+du/dx=0 Domain: -20<=x<=450 Initial Condition: u(x,0)=0.5.*exp(...

plus de 4 ans il y a | 1 réponse | 0

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Question


I did not understand what the problem is ?
R=8.314/32; T0=2930; a=(12)/((2.027*10^6)^0.45); rhoP=1920; Astar=pi*0.25^2; k=1.35; n=0.45; P0=101325; v0=pi*rp^2*8; %...

plus de 4 ans il y a | 1 réponse | 0

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Question


the plot of start is good but i do not know why the other plot doesn't want to plot steady state +final value. I hope someone will fix it thanks in advance
R=8.314/32; T0=2930; a=(12)/((2.027*10^6)^0.45); rhoP=1920; Astar=pi*0.25^2; k=1.35; n=0.45; P0=101325; P = P0; %syms P...

plus de 4 ans il y a | 1 réponse | 0

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Question


I want to combine to plot . Pressure history time not start up versus time and transient and final versus time. cann someone helps me thank you. I want one plot that arrange everything
R=8.314/32; T0=2930; a=(12)/((2.027*10^6)^0.45); rhoP=1920; Astar=pi*0.25^2; k=1.35; n=0.45; P0=101325; P = P0; %syms P...

plus de 4 ans il y a | 1 réponse | 0

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A répondu
Error. I want to plot this ode45 pressure versus time
if i want to add this condition if rp>=0.7 %if grain gets exhausted Ab=0; %burn area =0 and plotting from 0 to 60 but from 0>>0...

plus de 4 ans il y a | 0

Question


Error. I want to plot this ode45 pressure versus time
R=8.314/32; T0=2930; a=(12)/((2.027*10^6)^0.45); rhoP=1920; Astar=pi*0.25^2; k=1.35; n=0.45; P0=101325; syms P(t) for t...

plus de 4 ans il y a | 2 réponses | 0

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Question


Error in @(t,y)dPress(t,y,params) Error in odearguments (line 90) f0 = feval(ode,t0,y0,args{:}); % ODE15I sets args{1} to yp0. Error in ode45 (line 115) odearguments(FcnHandlesUsed, solver_name, ode, tspan, y0, options, varargin);
clc, clear, close %clearing workspace, closing any open plots params=struct; %this is a variable for passing parameters into th...

plus de 4 ans il y a | 1 réponse | 0

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