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Searched refs:yDotK (Results 1 – 14 of 14) sorted by relevance

/external/apache-commons-math/src/main/java/org/apache/commons/math/ode/nonstiff/
DDormandPrince853StepInterpolator.java284 final double[] y, final double[][] yDotK, final boolean forward) { in reinitialize() argument
286 super.reinitialize(integrator, y, yDotK, forward); in reinitialize()
331 final double yDot1 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
332 final double yDot6 = yDotK[5][i]; in computeInterpolatedStateAndDerivatives()
333 final double yDot7 = yDotK[6][i]; in computeInterpolatedStateAndDerivatives()
334 final double yDot8 = yDotK[7][i]; in computeInterpolatedStateAndDerivatives()
335 final double yDot9 = yDotK[8][i]; in computeInterpolatedStateAndDerivatives()
336 final double yDot10 = yDotK[9][i]; in computeInterpolatedStateAndDerivatives()
337 final double yDot11 = yDotK[10][i]; in computeInterpolatedStateAndDerivatives()
338 final double yDot12 = yDotK[11][i]; in computeInterpolatedStateAndDerivatives()
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DRungeKuttaStepInterpolator.java41 protected double[][] yDotK; field in RungeKuttaStepInterpolator
58 yDotK = null; in RungeKuttaStepInterpolator()
86 yDotK = new double[interpolator.yDotK.length][]; in RungeKuttaStepInterpolator()
87 for (int k = 0; k < interpolator.yDotK.length; ++k) { in RungeKuttaStepInterpolator()
88 yDotK[k] = new double[dimension]; in RungeKuttaStepInterpolator()
89 System.arraycopy(interpolator.yDotK[k], 0, in RungeKuttaStepInterpolator()
90 yDotK[k], 0, dimension); in RungeKuttaStepInterpolator()
94 yDotK = null; in RungeKuttaStepInterpolator()
127 this.yDotK = yDotArray; in reinitialize()
141 final int kMax = (yDotK == null) ? -1 : yDotK.length; in writeExternal()
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DDormandPrince853Integrator.java248 protected double estimateError(final double[][] yDotK, in estimateError() argument
255 final double errSum1 = E1_01 * yDotK[0][j] + E1_06 * yDotK[5][j] + in estimateError()
256 E1_07 * yDotK[6][j] + E1_08 * yDotK[7][j] + in estimateError()
257 E1_09 * yDotK[8][j] + E1_10 * yDotK[9][j] + in estimateError()
258 E1_11 * yDotK[10][j] + E1_12 * yDotK[11][j]; in estimateError()
259 final double errSum2 = E2_01 * yDotK[0][j] + E2_06 * yDotK[5][j] + in estimateError()
260 E2_07 * yDotK[6][j] + E2_08 * yDotK[7][j] + in estimateError()
261 E2_09 * yDotK[8][j] + E2_10 * yDotK[9][j] + in estimateError()
262 E2_11 * yDotK[10][j] + E2_12 * yDotK[11][j]; in estimateError()
DEmbeddedRungeKuttaIntegrator.java207 final double[][] yDotK = new double[stages][y0.length]; in integrate() local
215 rki.reinitialize(this, yTmp, yDotK, forward); in integrate()
218 interpolator = new DummyStepInterpolator(yTmp, yDotK[stages - 1], forward); in integrate()
243 computeDerivatives(stepStart, y, yDotK[0]); in integrate()
258 stepStart, y, yDotK[0], yTmp, yDotK[1]); in integrate()
268 double sum = a[k-1][0] * yDotK[0][j]; in integrate()
270 sum += a[k-1][l] * yDotK[l][j]; in integrate()
275 computeDerivatives(stepStart + c[k-1] * stepSize, yTmp, yDotK[k]); in integrate()
281 double sum = b[0] * yDotK[0][j]; in integrate()
283 sum += b[l] * yDotK[l][j]; in integrate()
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DRungeKuttaIntegrator.java110 final double[][] yDotK = new double[stages][]; in integrate() local
112 yDotK [i] = new double[y0.length]; in integrate()
121 rki.reinitialize(this, yTmp, yDotK, forward); in integrate()
124 interpolator = new DummyStepInterpolator(yTmp, yDotK[stages - 1], forward); in integrate()
143 computeDerivatives(stepStart, y, yDotK[0]); in integrate()
149 double sum = a[k-1][0] * yDotK[0][j]; in integrate()
151 sum += a[k-1][l] * yDotK[l][j]; in integrate()
156 computeDerivatives(stepStart + c[k-1] * stepSize, yTmp, yDotK[k]); in integrate()
162 double sum = b[0] * yDotK[0][j]; in integrate()
164 sum += b[l] * yDotK[l][j]; in integrate()
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DDormandPrince54Integrator.java134 protected double estimateError(final double[][] yDotK, in estimateError() argument
141 final double errSum = E1 * yDotK[0][j] + E3 * yDotK[2][j] + in estimateError()
142 E4 * yDotK[3][j] + E5 * yDotK[4][j] + in estimateError()
143 E6 * yDotK[5][j] + E7 * yDotK[6][j]; in estimateError()
DDormandPrince54StepInterpolator.java149 final double[] y, final double[][] yDotK, final boolean forward) { in reinitialize() argument
150 super.reinitialize(integrator, y, yDotK, forward); in reinitialize()
184 final double yDot0 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
185 final double yDot2 = yDotK[2][i]; in computeInterpolatedStateAndDerivatives()
186 final double yDot3 = yDotK[3][i]; in computeInterpolatedStateAndDerivatives()
187 final double yDot4 = yDotK[4][i]; in computeInterpolatedStateAndDerivatives()
188 final double yDot5 = yDotK[5][i]; in computeInterpolatedStateAndDerivatives()
189 final double yDot6 = yDotK[6][i]; in computeInterpolatedStateAndDerivatives()
DHighamHall54StepInterpolator.java90 final double yDot0 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
91 final double yDot2 = yDotK[2][i]; in computeInterpolatedStateAndDerivatives()
92 final double yDot3 = yDotK[3][i]; in computeInterpolatedStateAndDerivatives()
93 final double yDot4 = yDotK[4][i]; in computeInterpolatedStateAndDerivatives()
94 final double yDot5 = yDotK[5][i]; in computeInterpolatedStateAndDerivatives()
DClassicalRungeKuttaStepInterpolator.java99 final double yDot1 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
100 final double yDot23 = yDotK[1][i] + yDotK[2][i]; in computeInterpolatedStateAndDerivatives()
101 final double yDot4 = yDotK[3][i]; in computeInterpolatedStateAndDerivatives()
DThreeEighthesStepInterpolator.java103 final double yDot1 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
104 final double yDot2 = yDotK[1][i]; in computeInterpolatedStateAndDerivatives()
105 final double yDot3 = yDotK[2][i]; in computeInterpolatedStateAndDerivatives()
106 final double yDot4 = yDotK[3][i]; in computeInterpolatedStateAndDerivatives()
DGillStepInterpolator.java113 final double yDot1 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
114 final double yDot2 = yDotK[1][i]; in computeInterpolatedStateAndDerivatives()
115 final double yDot3 = yDotK[2][i]; in computeInterpolatedStateAndDerivatives()
116 final double yDot4 = yDotK[3][i]; in computeInterpolatedStateAndDerivatives()
DHighamHall54Integrator.java107 protected double estimateError(final double[][] yDotK, in estimateError() argument
114 double errSum = STATIC_E[0] * yDotK[0][j]; in estimateError()
116 errSum += STATIC_E[l] * yDotK[l][j]; in estimateError()
DEulerStepInterpolator.java85 interpolatedState[i] = currentState[i] - oneMinusThetaH * yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
87 System.arraycopy(yDotK[0], 0, interpolatedDerivatives, 0, interpolatedDerivatives.length); in computeInterpolatedStateAndDerivatives()
DMidpointStepInterpolator.java92 final double yDot1 = yDotK[0][i]; in computeInterpolatedStateAndDerivatives()
93 final double yDot2 = yDotK[1][i]; in computeInterpolatedStateAndDerivatives()