function plotMatrix(A)
    set(groot,'defaultAxesTickLabelInterpreter','latex');
    mapPrecision = 1000;
    map = zeros(mapPrecision,3);
    Amin = min(A, [], 'all');
    Amax = max(A, [], 'all');
    if Amin < 0 && Amax > 0
        i0 = ceil(-Amin/(Amax-Amin)*mapPrecision);
        huemin = 2/3;
        huemax = 11/24;
        for i = 1:i0
            map(i, :)=[(i-1)/(i0-1)*(huemax-huemin)+huemin, 1-(i-1)/(i0-1), 1];
        end
        huemin = 1/6;
        for i = i0 + 1:mapPrecision
            map(i, :)=[huemin-(i-i0-1)/(mapPrecision-i0-1)*huemin, (i-i0-1)/(mapPrecision-i0-1), 1];
        end

    elseif Amin > 0
        x = Amin / Amax;
        huemin = (1-x)/6;
        huemax = 0;
        satmin = x;
        satmax = 1;
        for i = 1:mapPrecision
            map(i, :)=[(i-1)/(mapPrecision-1)*(huemax-huemin)+huemin, (i-1)/(mapPrecision-1)*(satmax-satmin)+satmin, 1];
        end
    else
        x = Amax / Amin;
        huemin = 2/3;
        huemax = 11*(1+x)/24;
        satmin = 1;
        satmax = x;
        for i = 1:mapPrecision
            map(i, :)=[(i-1)/(mapPrecision-1)*(huemax-huemin)+huemin, (i-1)/(mapPrecision-1)*(satmax-satmin)+satmin, 1];
        end
    end
    map = hsv2rgb(map);
    imagesc(A);
    colormap(map);
    set(colorbar, 'TickLabelInterpreter', 'latex');
end