environmental modeling using matlab - ekkehard holzbecher

... by using – it sounds contradictory - the numerical mathematical tool MATLAB R . (translated by E.H) Part I Primer to Modeling with MATLAB R  1 Introduction 1.1 Environmental Modeling using MATLAB R  There ... randn(2,4,2) E(:,:,1) = 0.0000 1.0950 0.4282 0.7310 -0 .3179 -1 .8740 0.8956 0.5779 E(:,:,2) = 0.0403 0.5689 -0 .3775 -1 .4751 0.6771 -0 .2556 -0...

Ngày tải lên: 08/04/2014, 10:09

... basic understanding of systems and their modeling and simulation• Explain the step-by-step procedure for modeling using top-down, bottom-up, and • middle-out approaches Develop models for complex ... philosophy; step-by-step procedures for the modeling of different types of systems using appropriate modeling techniques such as the graph-theoretic approach, interpretive structu...

Ngày tải lên: 01/04/2014, 10:55

Ngày tải lên: 19/10/2013, 20:15

... b^2 - 4*a*c; if int > 0 srint = sqrt(int); x1= (-b + srint)/(2*a); x2= (-b - srint)/(2*a); elseif int == 0 x1= -b/(2*a); x2= x1; elseif int < 0 srint = sqrt(-int); p1 = -b/(2*a); ... -2 3]; rc = rt_quad(cc) diary Type into the MATLAB command window the statement ex1_4 and observe the results. The following results will be obtained: ra = -1...

Ngày tải lên: 23/10/2013, 16:15

Ngày tải lên: 23/10/2013, 18:15

... SEVEN TWO-PORT NETWORKS 7.1 TWO-PORT NETWORK REPRESENTATIONS 7.1.1 z-parameters 7.1.2 y-parameters 7.1.3 h-parameters 7.1.4 Transmission parameters 7.2 INTERCONNECTION OF TWO-PORT NETWORKS ... = i/100; v(i) = 5*(1-exp(-t(i)/tau)); end vmax = v(50); for i = 51:100 t(i) = i/100; v(i) = vmax*exp(-t(i-50)/tau); end end % The problem will be solved using function progra...

Ngày tải lên: 27/10/2013, 23:15

... analog input x and digital output y, is repre- sented by the equation: y = 0 x < -2 .5 = 1 -2 .5 ≤ x < -1 .5 = 2 -1 .5 ≤ x < -0 .5 = 3 -0 .5 ≤ x < 0.5 = 4 0.5 ≤ x < 1.5 ... string’) will display the text string in quotes. For ex- ample, the MATLAB statement disp(‘3-by-3 identity matrix’) will result in 3-by-3 identity matrix and d...

Ngày tải lên: 27/10/2013, 23:15

... MATLAB has built-in functions that allow one to generate bar charts, x-y, polar, contour and 3-D plots, and bar charts. MATLAB also allows one to give titles to graphs, label the x- and y-axes, ... label and x- and y-axes to the graph. The commands for grid, title, x-axis label, and y-axis label are grid (grid lines), title (graph title), xlabel (x-axis label), and ylabel (y-axis lab...

Ngày tải lên: 27/10/2013, 23:15

... following results r = -1 .6970 + 3.0171i -1 .6970 - 3.0171i -0 .8030 - 0.9906i -0 .8030 + 0.9906i p = -1 .2629 + 1.7284i -1 .2629 - 1.7284i 0.2629 + 1.2949i 0.2629 - 1.2949i k = ... r = -1 .0000 -3 .0000 -5 .0000 Given the roots of a polynomial, we can obtain the coefficients of the polyno- mial by using the MAT...

Ngày tải lên: 06/11/2013, 09:15

... system of ordinary differential equations using second- and third-order Runge- Kutta formulas; the ode45 function uses fourth- and fifth-order Runge-Kutta integration equations. The general ... Script p = [1 40 1000]; lambda = roots(p) lambda = -2 0.0000 +24.4949i -2 0.0000 -2 4.4949i Using the roots obtained from MATLAB, it () is given as it e A t A t...

Ngày tải lên: 06/11/2013, 09:15