linear lambert.m solver missing?

[lamont-granquist]

you've only got a ./helper_methods/astrodynamics/lambert.mexw64 file check in here, so on mac i get this:

is there a lambert.m for this anywhere?

Undefined function or variable 'lambert'.

Error in findOptimalDepartureArrivalObjFunc (line 13)
    [departVelocity,arrivalVelocity]=lambert(rVecD', rVecA', 1*timeOfFlight, numRevs, gmu);

Error in
findOptimalDepartArrivalFromPorkChop>@(arrivalUT,departUT)findOptimalDepartureArrivalObjFunc(arrivalUT,departUT,departBodyInfo,arrivalBodyInfo,gmu,quant2Opt)
(line 9)
    preFunc = @(arrivalUT, departUT) findOptimalDepartureArrivalObjFunc(arrivalUT, departUT, departBodyInfo, arrivalBodyInfo, gmu,
    quant2Opt);

Error in findOptimalDepartArrivalFromPorkChop>@(x)preFunc(x(1),x(2)) (line 10)
    objFunc = @(x) preFunc(x(1), x(2));

Error in fmincon (line 536)
      initVals.f = feval(funfcn{3},X,varargin{:});

Error in fmultistart

Error in MultiStart/run (line 268)
               fmultistart(problem,startPointSets,msoptions);

Error in multiStartCommonRun (line 18)
    [x,fval,exitflag,output,solutions] = run(ms,problem,numIter);

Error in findOptimalDepartArrivalFromPorkChop (line 47)
    [x,dv] = multiStartCommonRun(waitBarStr, tpoints, objFunc, x0, A, b, lb, ub, []);

Error in generatePorkChopPlot (line 75)
            [arrivalUT, departUT, dv] = findOptimalDepartArrivalFromPorkChop(ypos*(secInDay), xpos*(secInDay), departBodyInfo,
            arrivalBodyInfo, gmu, options.quant2Opt, departTimeArr, arrivalTimeArr);

Error in mainGUI>testPorkChopper_Callback (line 365)
        generatePorkChopPlot(handles.mainGUIFigure);

Error in gui_mainfcn (line 95)
        feval(varargin{:});

Error in mainGUI (line 42)
    gui_mainfcn(gui_State, varargin{:});

Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)mainGUI('testPorkChopper_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating UIControl Callback