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    Searched defs:yDotK (Results 1 - 3 of 3) sorted by null

  /external/apache-commons-math/src/main/java/org/apache/commons/math/ode/nonstiff/
RungeKuttaStepInterpolator.java 41 protected double[][] yDotK;
58 yDotK = null;
86 yDotK = new double[interpolator.yDotK.length][];
87 for (int k = 0; k < interpolator.yDotK.length; ++k) {
88 yDotK[k] = new double[dimension];
89 System.arraycopy(interpolator.yDotK[k], 0,
90 yDotK[k], 0, dimension);
94 yDotK = null;
127 this.yDotK = yDotArray
    [all...]
RungeKuttaIntegrator.java 110 final double[][] yDotK = new double[stages][];
112 yDotK [i] = new double[y0.length];
121 rki.reinitialize(this, yTmp, yDotK, forward);
124 interpolator = new DummyStepInterpolator(yTmp, yDotK[stages - 1], forward);
143 computeDerivatives(stepStart, y, yDotK[0]);
149 double sum = a[k-1][0] * yDotK[0][j];
151 sum += a[k-1][l] * yDotK[l][j];
156 computeDerivatives(stepStart + c[k-1] * stepSize, yTmp, yDotK[k]);
162 double sum = b[0] * yDotK[0][j];
164 sum += b[l] * yDotK[l][j]
    [all...]
EmbeddedRungeKuttaIntegrator.java 207 final double[][] yDotK = new double[stages][y0.length];
215 rki.reinitialize(this, yTmp, yDotK, forward);
218 interpolator = new DummyStepInterpolator(yTmp, yDotK[stages - 1], forward);
243 computeDerivatives(stepStart, y, yDotK[0]);
258 stepStart, y, yDotK[0], yTmp, yDotK[1]);
268 double sum = a[k-1][0] * yDotK[0][j];
270 sum += a[k-1][l] * yDotK[l][j];
275 computeDerivatives(stepStart + c[k-1] * stepSize, yTmp, yDotK[k]);
281 double sum = b[0] * yDotK[0][j]
    [all...]

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